144 Mhz Power Amplifier

(4) 4 product ratings - RF VHF/UHF 40MHz - 862MHz Amplifier 29db Aircraft, Mobile, Maritime, Amateur Ham. • Concept of a 150 W 1296 MHz power amplifier module with a bill of material cost <30 GBP • PA with 2 transistors in a box with printed couplers (min. 5 V, 11 watts output power at 100 mW control power. BEKO amplifiers are “the best …. 4 - dB K stability factor f = 850 MHz - 1. medium power 144 mhz amplifier (2bd set) consist of screen and power supply boards. - 432 MHz valve unit, 230 VAC, possibly 2C39A and 50 W out. FOR VHF/2M/144MHz. 500 Watt Vhf Amplifier. 2N6084 144MHz FM Power Amplifier Simple 2m amplifier. 0 W at 10% distortion with an 8 load Ext. For 144 MHz, there are many more used amplififers in the 800 to 1,000 watt range that are a lot quieter. 732 MHz, 10. 00 shipping. It may be used for all narrow band modulation types, (SSB,CW,AM,FM and data modes). speaker connectors : 3-conductor 3. 17 watching. 7 GHz Digital RF Milli Wattmeter. Here some face lift done. SSB-Electronic offers the 'Super-Amp' series of monoband mast pre-amplifiers for bands from 6m to 13cm, as well as a dual band pre-amp for 2m/70cm plus a wide band pre-amp for scanners. With it, we came up with a perfect adjustment to 50 ohms. 50 mhz amplifier with 3-500Z by G0MJW: 50Watts 144MHz FM Power Amplifier, M0UKD for 144 Mhz VHF and VHF activity for Amateur Radio: 70 cm Power Splitter: 70 MHz 25 W Power Amplifier,OZ2M: 70 cm LDMOS 1 KW Amplifier, W6PQL: 160 Meter Class E RF Deck, K1KBW: 1296 Mhz Power Amplifiers by K2AH: 144-MHz 1500W 8877 Power Amp, KL7UW: 144MHz FM 2N6084. The handheld exciter may be used to drive a small linear RF amplifier. Specification: Frequency coverage: VHF amateur bands 144 till 146 MHz Power output: 1000 W CW, 800 W SSB and 600 W AM, FM and Digital modes Driver Power: 7 W to 14 W. Project and Realization of Power RF amplifiers The 600W and 800W amplifiers for 144MHz is based on last generation Freescale power FET. ) But currently the power I get is. The RF2105L is a high power, high efficiency linear amplifier IC. medium power 144 mhz amplifier (2bd set) consist of screen and power supply boards. 5° - H-plane: 2 x 17. 28 MHz 150W Power Amplifier. The audio signal from the microphone connected to the connector X1 is supplied to the microphone amplifier which is made on operational amplifiers (op-amp) A1. PicClick Insights - 2 meters 144 MHz amplifier 500W MRF300 LDMOS PicClick Exclusive. It is equipped with a two pieces of ceramic tetrode FU728F. This PA module is produced by ITALAB s. 2m 144MHZ146MHZ RECEIVER 4S6GGS Her I am use MC3357 / LA1186 in this 2m Receiver This experiment was done when I was a SWL lesson 145. RF Concepts RFC 2 117 VHF 144 Mhz Linear Amplifier Amp Ham Amateur Rig Power. San Marcos, CA 92078. A Small 144 MHz AM - CW ExciterRick Campbell KK7b February 2018 Only three holes in the Hammond 1590B box: SMA antenna, mic, and PTT switch. 5-25W (specified when ordered) Spurious outputs <-70dB wrt 300W: Input return loss >13dB: Efficiency (RF) >65%: RF Device: 1 x Freescale MRFE6VP6300H: Protection: Overdrive, SWR, Over Temperature: Relays: Coaxial Output and Input: Metering: RF. 0 W when frequency is 512 MHZ. 144-148MHz: Power output @ 1dB compression: 300W: Power output @ -30dB IMD3 >250W: Input power: 3-25W (specified when ordered) Spurious outputs <-70dB wrt 300W: Input return loss >13dB: Efficiency (RF) >65%: RF Device: 1 x Freescale MRFE6VP6300H: Protection: Overdrive, SWR, Over Temperature: Relays: Coaxial Output and Input: Metering: RF output. I have used it mainly for MS and EME operation for many years. 7 dB @ 43° - H-plane: - 13. 144 MHz 20mW-9W Power Amplifier - WA7KRE. The amplifier is very heavy, though, weighing in at over 70 pounds. Power Supplies. It may be used for all narrow band modulation types, (SSB,CW,AM,FM and data modes). It is equipped with a two pieces of ceramic tetrode FU728F. “Designed for Weak Signal, Tropo Scatter, Meteor Scatter, Digital, & Contest Operation!” The BEKO HLV-1000 employs advanced German-engineered, solid-state technology to deliver instant on, no compromise performance. Ham Parts/Equipment sites. This divider has been tested and improved over the years. developed for broadcast applications, this ldmos amplifier is able to achieve an output power on 50 ohm of 1kw at 144 mhz. microset - vur 30 - dual band amplifier 144 + 432 mhz - full duplex - low noise gaasfet 16-15 db rx preamplifier. Output max 330W on 144 Mhz with 15W drive. 144-148 MHz power amplifier and other device: 1000W power amplifier 144-148 MHz LCD 5" $1450; 1000W power amplifier 144-148 MHz $1100; 500W power amplifier 144-148 MHz MRF300 $1000 ; KIT 2000W 144-148 MHz power amplifier $675; KIT 1000W 144-148 MHz power amplifier $355; KIT 1000W 144-148 MHz power amplifier with transistor $505. VHF Amplifier Frequency Coverage: 144-146MHz amateur band. Modulator on top, RF on bottom. The HLV-1000 is the ideal amplifier for contest, portable, EME & home station operation due to its small foot print and light weight. TRANSCEIVERY. PicClick Insights - 2 meters 144 MHz amplifier 500W MRF300 LDMOS PicClick Exclusive. 000 MHz* 145. The HLV-1000 is the ideal amplifier for contest, portable, EME & home station operation due to its small foot print and light weight. 4 GHz Es'Hail-2 / AMSAT Phase 4. 00 shipping. Power output depends on the output transistor: KT 904 – 4 to 5 watts, KT 907 – 7 to 8 watts, 2N3375 – from 7 to 10 watts, 2N3632 – from 8 to 12 watts. Power amplifier 144-148 MHz for BLF188XR transistor (The transistor is not included in the KIT!) Voltage 53. Seller: v_r3kr (1,102) 100%, Location: Voronezh, Ships to: Worldwide, Item: 223320841140 VHF 2m power amplifier LDMOS BLF188XR 144 MHz 1000W KIT. D-100-ATVN, UHF AMP,2W IN-100W OUT,420-450 MHz. RM Italy LA-144 2M Amp I have for sale a RM Italy LA-144 2M amp Amplifier, Linear, Broadband, 135-175 MHz, 2m, 4W Max Input, 70W Max Output. 14 l Isotropic gain: 15. Equipped with a heat sink which ensures better heat dissipation and stable performance during long-term work. Slim Jim 433 MHz hand held antenna. RG-214 not good enough. I realized in 1976 a 144 MHZ amplifier with a 4CX1500b. If you surfing our website, you accept that we use them. 5 (d) mm (1 8)/8 Guaranteed 144 146 or 144 148 MHz and 430 440 or 440 450 MHz ranges only. 5 V, 11 watts output power at 100 mW control power. KL7UW 144-MHz 1500W 8877 Power Amp This page describes the construction of a 1500-watt 2m amplifier using an 8877. RG-214 not good enough. 144 Mhz Power Amplifier - 8877 W6PO design. Cheap QRO Relay 50 - 144 MHz with high isolation and "N" connectors Intended to switch antenna to QRO or preamplifier without need for another isolation relay. The fans are 2 x 12V and run when the amp is on. The DEM 1296- 144 has a built in transmit / receive relay on the RF side with provisions for external switching for adding a high power amplifier or preamplifier to your 23 cm system. The GU-84B is a ceramic-metal forced-air cooled tetrode intended for use in power amplifiers with distributed amplification and for SSB-signal amplification with output power up to 2. A little bit of alignment on the SWR protection LED and all that. [ Hits: 2846 | Votes: 5 | Rating: 6. uhf linear amplifier with gs-31: vhf linear amplifier with gs-31: uhf super amplifier 432 with yl-1056: vhf linear amplifier 144 mhz with th328: uhf linear amplifier 432 mhz with th328. 7 MHz (including WARC bands) and all modes. 150ft BNC Video Power Wire Cord for Lorex LW1662MDW LW16122MW Camera Cable Lead, 1080P WiFi Wireless Spy Hidden HD Camera Pen Digital Video Recorder Recording. A Small 144 MHz AM - CW ExciterRick Campbell KK7b February 2018 Only three holes in the Hammond 1590B box: SMA antenna, mic, and PTT switch. 8V Power consumption: 4. FSR CVD-144 Composite Video Bridging Distribution Amplifier, Four bridgeable 1 x 4 Composite Video DA’s with 1RU High, 400 MHz video bandwidth, All metal enclosure, All outputs are fully buffered, Universal worldwide power supply, Differential Phase Error 0. HF 40W PA with MOSFET - WA2EBY. 2 port splitter, these are brand new (regular new price $65) $45 : Mini-Circuits ZA2CS-850-10W-1A (1) Power splitter/combiner, with SMA-F connectors. 2 Kilowatt Amplifier 144 MHz Kilowatt Amplifier with a Gu74b. Each antenna has 9 dBd gain, and the 4x6 array is about 15 dBd. It features a real time spectrum scope with waterfall. VHF 144-148 MHz linear amplifier 1000W BLF188XR water cooling system for K7KQA - Duration: 4:41. 144 – 146 MHz: Output power: up to 1500W: Input power: up to 100W: DC Anode voltage: 3600V DC: Gain: 13dB nominal: Power requirements: 230V AC at 13A, 50/60Hz: Valve: GS35 triode: Relays: Coaxial Output and Input: Metering: Plate current, Grid current, Relative RF Output: Dimensions: 14in wide x 9. MRF300 included LDMOS 144 MHz 2 meter linear amplifier 500W. It was made primarily for EME work. KL7UW 144-MHz 1500W 8877 Power Amp This page describes the construction of a 1500-watt 2m amplifier using an 8877. The four 6-element yagi antennas are PA144-6-2 from the company Dual (YU1CF, antennas-amplifiers. 144 MHz 13W Power Amplifier - W1OOP. Type: All-mode VHF linear amplifier: Frequency range: 143-149 MHz: Voltage: 13. TAJFUN 1000 is small, lightweight but robus dualband LDMOS Power Amplifier. The DEM 1296- 144 has a built in transmit / receive relay on the RF side with provisions for external switching for adding a high power amplifier or preamplifier to your 23 cm system. The RF band is 140-150MHz. 144-148 MHz: Power output @ 1dB compression: 300W: Power output @ -30dB IMD3 >250W: Input power: 2. Type: All-mode VHF linear amplifier: Frequency range: 144-146 or 144-148 MHz: Voltage: Mains: Power consumption: 350 VA (2070) 760 VA (2150 & 2200) Drive power:. Uhf Ssb Amplifier. 2m 144 mhz 146mhz receiver 1. The transition from reception to transmission by VOX-switch, made by transistors VT2/VT3 (KT315). The mixer mixes the signal from the synthesizer with the 10. With the PTT the device will work best, without working in VOX mode. 0 views, 0 views per day, 355 days on eBay. The LA 144 is a wideband compact amplifier for VHF band, covering from 135-175 Mhz. 59 shipping. Discussion in 'Amateur Gear eBay Auctions Ending Soon' started by Ebay, Nov 7, 2012. It is equipped with a new Freescale high rugged N-channel double MOSFET. 0 - dB f = 1950 MHz - 3. VHF One-BJT Power Amplifiers - WA7KRE. 10 watt 2 m power amplifier 144. 144 MHz 200W PA with RX preamplifier. The two other systems are 4* 9 element yagi’s. TE Systems 1452G 350 watt linear amp for 144 MHz Teletec 180 watt linear amp for 222 MHz ; Teletec 150 watt linear amp for 432 MHz ; Converted solid state amp (28VDC) 250 watts for 902 MHz SSB Electronics TLA1274 100 watt linear amp for 1296 MHz; Two 70 amp 12V DC Astron Supplies, one 25A - 28V Astron Supply; Custom digital volt meter assembly to measure monitor output from the 2304/3456 MHz transverters and amps. High Power Amplifiers/ Microwave Amp product list by frequency and power: High Power RF Amplifier Systems - Stop Frequency up to 500 MHz Empower RF Systems is an “Essential Business” We are taking all precautions and following all guidelines as mandated by local, state and federal requirements and adjusting our operations to continue. Power type and voltage: Powered by external power supply or a main unit. Introduction. The C5 chassis design employs thermal management, VSWR protection and closed loop power. Note that there is a separate pre-amp on S-band and the L-band notch filter is after the pre-amp. 53V (quescent current: 100mA) In this case, I need to get maximum output power (~320W 9Amp. GM300 mobile radios cover the VHF (136-174 MHz in two ranges) and UHF (403-520 MHz in four ranges) bands, with 8 or 16 channels, 12. 2 meter dish is in use. power vhf amplifier 3cx1500a7 , output power more than 1. Satellite Yagi crossed 2m, 70cm. Power Supplies. Freqency Coverage: 430-434 and 142-146 MHz; Operating Mode: FM, CW, SSB, DIGI; Output Power: 500W CW, 450W SSB, 300W FM and DIGI 50% duty cycle; Input Power: 12 - 16W default inside 6dB hybrid attenuator (optionaly 3dB) Power supply inside: 53VDC / 1000W. VHF Amp 50W IN-160W OUT, 144-148 MHz D-3010-N 430-450 MHz UHF Amplifier. Transverter 2300 / 430 MHz 25 W Power Amplifier for 23 cm band. 00 shipping. It was done with homemade station as well as a transverter 28/432 MHz, Power amplifier 3X 2C39BA, 2 X 22el long yagi (DL6WU design), preamplifier (Dubus design), coaxial relay (Dubus design), and splitter (Dubus design). Harris Amplifier (Original Design) Before building the SSPA amp I had recently finished building another high powered 144MHz amplifier based on a pair of Harris Amplifier RF pallets and could produce around 750w. The construction is based on DUBUS 4/2010 where Lionel Mongin (F1JRD) describes the concept. Will switch antenna to QRO or preamplifier. I based the reference circuit of the MRF300AN. They are mounted on an 10 meter aluminum masts on the ground in Versa-tower head units. 8 ~ 200 mhz swr meter; diamond sx-400, 140 ~ 520 mhz swr meter; homebrew - rf field strength meter. WILL CALL for Local Pick Up: Beginning Monday, June 22, 2020, we will once again provide "WILL CALL" services at 435 S. 5-25W (specified when ordered) Spurious outputs <-70dB wrt 300W: Input return loss >13dB: Efficiency (RF) >65%: RF Device: 1 x Freescale MRFE6VP6300H: Protection: Overdrive, SWR, Over Temperature: Relays: Coaxial Output and Input: Metering: RF. The design follows the classic W6PO design which is described in the Eimac Notes. The 144 MHz contest station uses 3 antenna systems. CD/cc (-RN) - Continuous-duty, rack-mount, medium-power amplifiers. 12 v frequencies 135-175 mhz We use own and extern cookies to offer you the best experience and service. 5 Watt to Maximum of 4 watts, ideally suited to low power handheld transceivers. Project and Realization of Power RF amplifiers The 600W and 800W amplifiers for 144MHz is based on last generation Freescale power FET. 8Vdc supply voltage. 144 Mhz linear amplifier Gemini_2_144MHz -solid-state- linear - amplifier. EA6VQ's EME calendar DG7YBN Excel BC for Semi-Insulated Elements on Boom Calculator; DG7YBN TANT manual; 50 & 144 MHz online chat. The fans are 2 x 12V and run when the amp is on. A 50 MHz high-efficiency (93%) high power (30W) Class-E power amplifier [9] and a 144 MHz Class-E amplifier with 54W output power and 70% efficiency [10] were recently reported. This is homebrew design intended to use with QRO amplifiers in 50 MHz and 144 MHz band. 2 GHz 120W Assembled Power Amplifier. It is straight forward. Power output depends on the output transistor: KT 904 – 4 to 5 watts, KT 907 – 7 to 8 watts, 2N3375 – from 7 to 10 watts, 2N3632 – from 8 to 12 watts. Amplifier has SSB capability and I use mine with an old Kenwood TR-9000 VHF base. 0 views, 0 views per day, 355 days on eBay. rf concept rfc4-32, 20 watt uhf power amplifier; tono mr-250w - 350 watt 144 mhz vhf power amplifier; sl-200s - 200 watt hf power amplifier; diamond gsv-1200, 15 ampere power supply; alinco ep-3010, 30 ampere power supply; daiwa cn-801h, 1. 144 MHz 10W Power Amplifier - K1AOB. Harris Amplifier (Original Design) Before building the SSPA amp I had recently finished building another high powered 144MHz amplifier based on a pair of Harris Amplifier RF pallets and could produce around 750w. 144 MHz VHF Linear Amplifiers for 2 Meters : Power Supplies. DESIGN and HOMEBREW by F1CXX. Transverter 1296 / 144 MHz. • Harmonic Output Suppression: Better than 70 dB below rated output. Since getting my intermediate licence, I have put it in a box, and added an RF sensing switch so I can use it. The Yagi antenna or aerial sometimes called the Yagi-Uda antenna is widely used where gain and directivity are required from an RF antenna design. You may choose UHF type or N type connectors. The audio signal from the microphone connected to the connector X1 is supplied to the microphone amplifier which is made on operational amplifiers (op-amp) A1. 9 dBAverage stray radiation: - E. MMIC wideband medium power amplifier RLOUT return losses output f = 850 MHz - 10 - dB f = 1950 MHz - 13 - dB f = 2500 MHz - 13 - dB NF noise figure f = 850 MHz - 3. posts tagged: 144. This is homebrew design intended to use with QRO amplifiers in 50 MHz and 144 MHz band. On 144 MHz, unless otherwise specified, EME schedules use 2 minute transmit periods, with each station alternately transmitting for full 2 minute sequences. Input Power Option: Clear: BEKO HLV-1000 (144-148 MHz) RF Power Amplifier quantity. It gives minimum SWR at only one setting. HRC-60 : Connectors & Cables. Buy RM Italy LA 144 135-175 Mhz 70 Watts VHF Mobile amplifier at Walmart. Amplifier design and performance The goal of this module is to be able to get 1 kW solid state, with good efficiency, small size, and good VSWR-handling into operation. It is equipped with a two pieces of ceramic tetrode FU728F. 1296 mhz 3w (10db) mmic rf power amplifier. 5dB loss per 100 feet at 146 MHz). The KL703 requires about 30W for maximum output power. 5° - H-plane: 2 x 17. The transmitter used a condenser microphone M1. For other technical aspects, please refer to DUBUS issue 4 / 2010 vol 39 “Compact 144 MHz High Power Solid State Amplifier using MRFE6VP61K25H” from F1JRD/AE7KX 3. 144 MHz 180W Power Amplifier. [ Hits: 2846 | Votes: 5 | Rating: 6. The output power at 50V, can be increased to 700W for 600W version and 900W for 800W one. D-100-ATVN, UHF AMP,2W IN-100W OUT,420-450 MHz. High Power Amplifiers/ Microwave Amp product list by frequency and power: High Power RF Amplifier Systems - Stop Frequency up to 500 MHz Empower RF Systems is an “Essential Business” We are taking all precautions and following all guidelines as mandated by local, state and federal requirements and adjusting our operations to continue. Due to high technical performance - low noise Gain • • • • • •. I'm trying to make an amplifier with MRF300. Looking down from the top of the amp, at bottom center is a surplus Narda dual directional coupler, a 30db coupler normally used at 900 MHz, it is quite broadband, and has a coupling factor of about 42db at 144 MHz, just right for monitoring forward and reflected power at the kw level. Here some face lift done. RG-214 not good enough. Sutherland, W6PO "High performance 144-Mhz Power amplifier". HRO Discount Price: $254. Remote Controller. Available in two models, the only difference is that the LA 144 is 4 W in and 60 W out, while the LA 145 is 4 W in and 85 W out. The MFJ-986 is a rugged roller inductor antenna tuner that handles 3KW PEP SSB amplifier input power (1500 Watts PEP SSB output power). It needs input 30mW and output 25W for 150 Mhz. 487 MHz, 455 kHz, 16. The transition from reception to transmission by VOX-switch, made by transistors VT2/VT3 (KT315). 144 MHz VHF Linear Amplifiers for 2 Meters : Solid State RF Linear Amplifier Engineering : 2m Amplifiers: 144 MHZ VHF LINEAR AMPLIFIERS (2 Meters) Product Quick Links. Due to high technical performance - low noise Gain • • • • • •. 0 - dB f = 1950 MHz - 3. TAJFUN 1000 is small, lightweight but robus LDMOS Power Amplifier. 28 MHz 150W Power Amplifier. Cheap High Power 50 / 144 MHz Relay. The AFS2 may be usable with other 100mW output devices, such as LMT2 and TX2M PLEASE NOTE THIS IS ONLY AN AMPLIFIER NOT A FULL RADIO. DR-B185HE TX:144. 390 MHz wiring the Mobilinkd TNC & automatic on/off (Jeep tablet based APRS part 2) in the last post about APRS i explained why i was interested, where the Mobilinkd bluetooth TNC fit in, and how to get the basic radio/TNC/tablet setup working. Yagi Antennas for 144 and 432 MHz. Also, the fan noise is much louder than I would like. B-5018-G, VHF AMP,50W IN-160W OUT,144-148 MHz. Description of a 144 MHz high power amplifier for 2 x 4CX250B by LAØBY This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes, type 4CX250B, in a push-pull configuration. At the time, I was inspired by the realization of our friend Daniel F1DRR (SK) with some modifications. Add to cart. The broadband RF low power amplifier is suitable for all kinds of radio transmitting. arrl hb chp32 fig 69. Power output depends on the output transistor: KT 904 - 4 to 5 watts, KT 907 - 7 to 8 watts, 2N3375 - from 7 to 10 watts, 2N3632 - from 8 to 12 watts. medium power 144 mhz amplifier (2bd set) consist of screen and power supply boards. 9°First side lobe set: - E-plane: - 17. QST 144 MHz 122 dB (amp 2) 104/90 dB. All stated speciÞcations are subject to change without notice or obligation. 8Vdc supply voltage. This setup gives each of us 750watts of power, not quite my usual target of a 3dB overhead for an amplifier, in this case 400w which is the UK maximum power on 144MHz, but acceptable to ensure the hardware (components) are not being driven to their design maximums. 8-72MHz for QRP FT-817, KX2. Equipped with a heat sink which ensures better heat dissipation and stable performance during long-term work. High-Power; Harris Platinium 144Mhz amp. Bose Jewel Double Cube Mint Premium Speakers Pristine Condition White, Tandem match 144-148 MHz LPF Directional coupler bridge for LDMOS MOSFET. 144 MHz 13W Power Amplifier - W1OOP. Linear Op Amps. 144 Mhz Power Amplifier - 8877. Relay2 is a 1 kW coax-relay (Tohtsu CX-600) sitting in a box up the antenna. A Small 144 MHz AM - CW ExciterRick Campbell KK7b February 2018 Only three holes in the Hammond 1590B box: SMA antenna, mic, and PTT switch. I'm trying to make an amplifier with MRF300. Cheap High Power 50 / 144 MHz Relay. RF drive of 10, 25 and 50 W. 144-Mhz Power amplifier. Transverter 1296 / 144 MHz. RG-214 not good enough. Building it with many outputs with discrete components is a frustrating job. I ordered some PGA-103 MMICs, found some RF chokes in a sample kit from a VHF conference, and put three units together. Power type and voltage: Powered by external power supply or a main unit. 2 kw amplifier for 50-54 mhz. The amplifier, if feed by 44-50V power supply. I'm trying to make an amplifier with MRF300. Popularity - 2 sold, 0 available. com in a single category. You will get what is pictured. Mosfet input and output circuit is like this: supply voltage: 50V input Power 1. I realized in 1976 a 144 MHZ amplifier with a 4CX1500b. 5dB loss per 100 feet at 146 MHz). 144 MHz 10W Power Amplifier - K1AOB. com offer the quality home 144 mhz on sale with worldwide free shipping. medium power 144 mhz amplifier (2bd set) consist of screen and power supply boards. The handheld exciter may be used to drive a small linear RF amplifier. There are three coax lines going to the patch: 435 MHz Tx, 1. Many popular multi-band, multi-mode transceivers already have 2 meter CW/SSB capability and will drive a 10 GHz transverter as long as you reduce the 2 meter power output to match the transverter drive. Type: All-mode VHF linear amplifier: Frequency range: 144-146 or 144-148 MHz: Voltage: Mains: Power consumption: 350 VA (2070) 760 VA (2150 & 2200) Drive power:. HF 10W Power Amplifier 50MHz 100W Power Amplifier 50MHz 350W Power Amplifier 2xBLX15 3 MHz to 30 MHz 80W Power Amplifier 144 MHz 125W Power Amplifier HF 60W Power Amplifier IRF840 HF 10W to 200W Class E/F Power Amplifier 14 MHz 20W Linear Power Amplifier 144 MHz 100W Power Amplifier 144. KL7UW 144-MHz 1500W 8877 Power Amp This page describes the construction of a 1500-watt 2m amplifier using an 8877. 487 MHz, 455 kHz, 16. Output max 330W on 144 Mhz with 15W drive. arrl hb chp32 fig 69. Output is a nominal 60 Watts at full power (70 Watts Max. Beli Booster 144 Mhz Online berkualitas dengan harga murah terbaru 2021 di Tokopedia! Pembayaran mudah, pengiriman cepat & bisa cicil 0%. BEKO amplifiers are “the best …. 2m VHF power amplifier LDMOS 144 148 MHz 1000W. TAJFUN 1000 is small, lightweight but robus LDMOS Power Amplifier. RF Concepts RFC 2 117 VHF 144 Mhz Linear Amplifier Amp Ham Amateur Rig Power. I had installed my EME station outside the QRA. same PC boards I use for the power amplifiers. Remote Controller. B-5018-G, VHF AMP,50W IN-160W OUT,144-148 MHz. This divider has been tested and improved over the years. la-144 rm vhf amplifier 70 w max. HRC-60 : Connectors & Cables. RM ITALY VHF HT Linear Amplifiers are broadband, compact amplifiers covering 135 to 175 MHz. This relay is good enough to protect any sensitive preamplifier. It may be used for all narrow band modulation types, (SSB,CW,AM,FM and data modes). File:2m BP FILTER-YU1LM. KIC II Y-Connector: HTC-100/Icom10: HTC-100/Icom5:. Relay1 is a 250 W coax-relay (Tohtsu CX-140) in my shack. They have an 16 Ohm resistor 10W in series to drop the voltage a bit. 6 W, and the maximum output is 1. 5 dB insert. MHz, just right for monitoring. org: Model: 144 MHz All Mode Power Amplifier HL-110V - Tokyo Hy-power; Saitama: Material: Metal case : Shape: Chassis only or for «building in» Dimensions (WHD) 172 x 60 x 263 mm / 6. Crescend 144-152 MHz 10-20W In 100W Out Repeater Amplifier (P10-20DB1-C5-001). The 144 MHz Power amplifier is designed to work with the transceiver 2-meter band. Sutherland, W6PO "High performance 144-Mhz Power amplifier". TELEWAVE 144-174 MHz pass/rej. The main system is the EME array of PA1T 4*17el yagis from M2 in a Versa-tower. They are mounted on an 10 meter aluminum masts on the ground in Versa-tower head units. Since getting my intermediate licence, I have put it in a box, and added an RF sensing switch so I can use it. Ebay Active Member. medium power 144 mhz amplifier (2bd set) consist of screen and power supply boards. PicClick Insights - 2 meters 144 MHz amplifier 500W MRF300 LDMOS PicClick Exclusive. 2m Antennen Preamplifier Vorverstaerker, DL5DBM With a gas-fet CF300, and switchable gain between 14 and 24 dBD, noise figure better than 0. 1KW 70cm LDMOS Amplifier. Introduction. SKU: 1022 Categories: BEKO Amplifiers, BEKO Elektronik Products, Ham radio amplifier products. QST 144 MHz 122 dB (amp 2) 104/90 dB. Linear Op Amps. Just got hold of the latest pics from Ron VK4CRO his amp. full-duplex dual band amplifier 2 m - 70 cm duplexer inside - dual stage amplifier double low-noise gaas fet preamp stage. How to connect a supporting circuits. 995MHz RX:136. The 144 MHz contest station uses 3 antenna systems. HF 10W Power Amplifier 50MHz 100W Power Amplifier 50MHz 350W Power Amplifier 2xBLX15 3 MHz to 30 MHz 80W Power Amplifier 144 MHz 125W Power Amplifier HF 60W Power Amplifier IRF840 HF 10W to 200W Class E/F Power Amplifier 14 MHz 20W Linear Power Amplifier 144 MHz 100W Power Amplifier 144. It features a real time spectrum scope with waterfall. The C5 chassis design employs thermal management, VSWR protection and closed loop power. The construction is based on DUBUS 4/2010 where Lionel Mongin (F1JRD) describes the concept. 0 - dB f = 1950 MHz - 3. Base Station duplexers are intended to be used in high power application. The main category is Amateur linear amplifiers that is about VHF linear amplifiers. Very High IP3 LNA for 144 MHz. PicClick Insights - 2 meters 144 MHz amplifier 500W MRF300 LDMOS PicClick Exclusive. 144 MHz VHF Linear Amplifiers for 2 Meters : Solid State RF Linear Amplifier Engineering : 2m Amplifiers: 144 MHZ VHF LINEAR AMPLIFIERS (2 Meters) Product Quick Links. UHF Amp, 30W IN-100W OUT, 430-450 MHz BD35 2 Metre/440 MHz VHF/UHF Amplifier. Description 144 MHz high power amplifier, 4CX250B This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes, type 4CX250B, in a push-pull configuration. At the time, I was inspired by the realization of our friend Daniel F1DRR (SK) with some modifications. The microphone amplifier is assembled on the transistor VT1. The VHF line of amplifiers is available in outputs of 100W, 110W, 150W and 250W with inputs ranging from 100mW to 50W. Fortunately, Maxim-IC has an IC ( MAX 4135 with a gain of 2 or MAX4136 with variable gain) as a video distribution amplifier. EA6VQ's EME calendar DG7YBN Excel BC for Semi-Insulated Elements on Boom Calculator; DG7YBN TANT manual; 50 & 144 MHz online chat. - 432 MHz valve unit, 230 VAC, possibly 2C39A and 50 W out. Type: All-mode VHF linear amplifier: Frequency range: 143-149 MHz: Voltage: 13. It has the Fans now fitted and the last changes have been made. You will get what is pictured. Version TX RX. EB104 HF Power Amplifier 677 views. Mitsubishi Silicon RF devices which are the key parts for amplifying power of the transmission stage of mobile wireless communication devices in the high frequency band from several MHz to 1GHz robustly support wireless communication networks with a wide range of product lineup, such as mobile professional radio equipment for public agency use. Linear Op Amps. M2 6M-1K2 High-Power 6 Meter Amplifier SARK-110 Vector Impedance Antenna Analyzer SCS Tracker/DSP TNC for HF APRS. I based the reference circuit of the MRF300AN. 2 Kilowatt Amplifier 144 MHz Kilowatt Amplifier with a Gu74b. 50 MHz amplifier with three GI7B (French) ARRL EME contest multiplier checklist; Amplifier power linear. The MFJ-986 is a rugged roller inductor antenna tuner that handles 3KW PEP SSB amplifier input power (1500 Watts PEP SSB output power). For other technical aspects, please refer to DUBUS issue 4 / 2010 vol 39 “Compact 144 MHz High Power Solid State Amplifier using MRFE6VP61K25H” from F1JRD/AE7KX 3. HRC-60 : Connectors & Cables. Power amplifier 144-148 MHz for BLF188XR transistor (The transistor is not included in the KIT!) Voltage 53. Just got hold of the latest pics from Ron VK4CRO his amp. VHF 2m power amplifier LDMOS BLF188XR 144 MHz 2000W KIT. ) But currently the power I get is. Output power of 100 mW. 5W Complementary Power Amplifier - WA7KRE. 20W VHF Linear Amplifier 2SC1946 50 MHz - This VHF linear amplifier works for 50 MHz frequency using 2SC1946A with power output about 20 Watt. This relay is good enough to protect any sensitive preamplifier. RF Concepts RFC 2 117 VHF 144 Mhz Linear Amplifier Amp Ham Amateur Rig Power. 2m Antennen Preamplifier Vorverstaerker, DL5DBM With a gas-fet CF300, and switchable gain between 14 and 24 dBD, noise figure better than 0. 1296 mhz 3w (10db) mmic rf power amplifier. VHF/FM: View This Document. This multi--stage structureis ratedfor 26to32volt operation andcovers alltypical cellular base station modulation formats. Auto SWR, DC line voltage etc. This divider has been tested and improved over the years. 2N6084 144MHz FM Power Amplifier Simple 2m amplifier. medium power 144 mhz amplifier (2bd set) consist of screen and power supply boards. 144 MHz 12W Power Amplifier - W6AJF. CD/cc (-RN) - Continuous-duty, rack-mount, medium-power amplifiers. arrl hb 93-92 chp32 fig 6. GAIN W POWER ; Even on 144 MHz it's just 1 dB. Buy RM Italy LA 144 135-175 Mhz 70 Watts VHF Mobile amplifier at Walmart. RM Italy KL 503 Mobile Linear Amplifier (20-30 mhz) RM Italy LA 144 Wideband 2 meter VHF amplifier (135-175 mhz) RM Italy SPS 1050 50Amp Switching Power. The original construction was. Slim Jim 433 MHz hand held antenna. 144-148 MHz: Power output @ 1dB compression: 300W: Power output @ -30dB IMD3 >250W: Input power: 2. 144 MHz 20mW-9W Power Amplifier - WA7KRE. - 144 MHz solid-state, 12. HF 40W PA with MOSFET - WA2EBY. Size/Wt is 9 x 19 x 4" (h, w, d) / 14 Lbs for -RN. Homebrew Amplifiers etc I borrowed a Bencher and copied it. This is homebrew design intended to use with QRO amplifiers in 50 MHz and 144 MHz band. 8-72MHz for QRP FT-817, KX2. A 50 MHz high-efficiency (93%) high power (30W) Class-E power amplifier [9] and a 144 MHz Class-E amplifier with 54W output power and 70% efficiency [10] were recently reported. This page describes my homemade Solid State Power Amplifier (SSPA) for 144 MHz. Harris Amplifier (Original Design) Before building the SSPA amp I had recently finished building another high powered 144MHz amplifier based on a pair of Harris Amplifier RF pallets and could produce around 750w. arrl hb 93-92 chp32 fig 6. The ICOM IC-705 HF/50/144/440 MHz multimode transceiver in a portable and compact design. The main category is Amateur linear amplifiers that is about VHF linear amplifiers. 144 MHz High Power Amplifier using 2 x 4CX250B valves by Stefan Heck, LAØBY/DF9PY, April 1991, revised April 2000 General description The amplifier was designed for high power operation in CW or SSB mode and employs a pair of ceramic tetrodes type 4CX250B in push-pull configuration. BEKO amplifiers are “the best …. Trimmer capacitor C3 allows you to slightly adjust the frequency of the carrier. Cheap High Power 50 / 144 MHz Relay. It tunes 1. The mixer mixes the signal from the synthesizer with the 10. 1 - f = 2500 MHz - 1. 5 - 5 W) RX pre-amp gain: 20db Accessory circuitry: GaAs FET low noise RX pre-amp, LED power level indicator, Reverce DC power polarity protection IN3 AVB Alberto. After careful inspection of different designs that could be used as the front end amplifier of my new 144/14 MHz transverter design I finally stopped at the Infineon's BF998 MOS FET tetrode. 1296 mhz 3w (10db) mmic rf power amplifier. 53V (quescent current: 100mA) In this case, I need to get maximum output power (~320W 9Amp. About 144 Mhz power amplifier 4CX250B The resource is currently listed in dxzone. Mirage 144/440 MHz Dual Band VHF/UHF Amplifier Has anyone ever used something like this ? I'm thinking this would allow me to continue to use my HT in the car and retain the ease of moving it around (back to the house, hike, etc. 2m 144MHZ146MHZ RECEIVER 4S6GGS Her I am use MC3357 / LA1186 in this 2m Receiver This experiment was done when I was a SWL lesson 145. Type: All-mode VHF linear amplifier: Frequency range: 144-146 or 144-148 MHz: Voltage: Mains: Power consumption: 350 VA (2070) 760 VA (2150 & 2200) Drive power:. The RF2105L is a high power, high efficiency linear amplifier IC. This page provides information on the design and practical implementation of an inexpensive 144 MHz high power amplifier The amplifier has been built in many variations. For other technical aspects, please refer to DUBUS issue 4 / 2010 vol 39 “Compact 144 MHz High Power Solid State Amplifier using MRFE6VP61K25H” from F1JRD/AE7KX 3. 5W Complementary Power Amplifier - WA7KRE. TELEWAVE 144-174 MHz pass/rej. 2 jn45up 260 i6cxb 373 0. There are three coax lines going to the patch: 435 MHz Tx, 1. WILL CALL for Local Pick Up: Beginning Monday, June 22, 2020, we will once again provide "WILL CALL" services at 435 S. The MFJ-986 is a rugged roller inductor antenna tuner that handles 3KW PEP SSB amplifier input power (1500 Watts PEP SSB output power). 7 MHz signal from the FM modulator. 1KW 70cm LDMOS Amplifier. Description Additional information. 2 kw amplifier for 50-54 mhz. 2x EL84 power tubes and 3x12AX7/ECC83 preamp tubes. They have an 16 Ohm resistor 10W in series to drop the voltage a bit. This page describes my homemade Solid State Power Amplifier (SSPA) for 144 MHz. 1 - f = 2500 MHz - 1. 144Mhz High Power. RM ITALY VHF HT Linear Amplifiers details: * Modulation Types: SSB, CW, AM, FM, data (switch selectable AM/FM or SSB) * Frequency: 135 - 175 MHz * Power Supply: 12 - 14Vdc. Johan pe9dx in action on 144 Mhz The amplifiers for 144 MHz. The handheld exciter may be used to drive a small linear RF amplifier. TAJFUN 1000 is small, lightweight but robus LDMOS Power Amplifier. Off- Air Digital PA-18 UHF/VHF Antenna Pre-Amp Kit The PA-18 is a UHF/VHF ultra low noise, mast mounted pre-amp system that provides high gain and a low noise figure. B-5018-G, VHF AMP,50W IN-160W OUT,144-148 MHz. With it, we came up with a perfect adjustment to 50 ohms. One of these units is shown in Figure 3. It is equipped with a with Freescale transistor. Satellite Yagi crossed 2m, 70cm. The amplifier will be tested and tuned at the Henry amplifier plant to your frequency (select between 144 and 174 mHz). 26 watching. 8Vdc supply voltage. Since getting my intermediate licence, I have put it in a box, and added an RF sensing switch so I can use it. Power outpout is 1100 watts. 70cm preamplifier. On 222 MHz, this is definitely one of the best buys around. MMIC wideband medium power amplifier RLOUT return losses output f = 850 MHz - 10 - dB f = 1950 MHz - 13 - dB f = 2500 MHz - 13 - dB NF noise figure f = 850 MHz - 3. 144 Mhz Power Amplifier - 8877. Henry Radio manufactured high power tube amplifiers for Amateur Radio, business, commercial, industrial and scientific use for nearly 50 years, but that part of our business closed in 2005. / 13,8 Volt : Loudspeaker - - No sound reproduction output. 00 shipping. Output power of 100 mW. Linear Op Amps. The fans are 2 x 12V and run when the amp is on. A 50 MHz high-efficiency (93%) high power (30W) Class-E power amplifier [9] and a 144 MHz Class-E amplifier with 54W output power and 70% efficiency [10] were recently reported. A simple 10 W forward and refleted power meter for monitoring 144 MHz transverter TX output power and possbily antenna system's SWR, was build using double-sided fiber-glass PCB and 100 uA panel meter. 144 Mhz Power Amplifier - 8877. You may choose UHF type or N type connectors. The amplifier is very heavy, though, weighing in at over 70 pounds. KL7UW 144-MHz 1500W 8877 Power Amp This page describes the construction of a 1500-watt 2m amplifier using an 8877. DESIGN and HOMEBREW by F1CXX. This page describes my homemade Solid State Power Amplifier (SSPA) for 144 MHz. 00 shipping. 70 MHz: Sensitivity (Pre-amp: ON). 144 MHz High Power Amplifier using 2 x 4CX250B valves by Stefan Heck, LAØBY/DF9PY, April 1991, revised April 2000 General description The amplifier was designed for high power operation in CW or SSB mode and employs a pair of ceramic tetrodes type 4CX250B in push-pull configuration. The transition from reception to transmission by VOX-switch, made by transistors VT2/VT3 (KT315). About 144 Mhz power amplifier 4CX250B The resource is currently listed in dxzone. The 144 MHz transmitter is depicted in figure 1 works as follows. VHF Amp 50W IN-160W OUT, 144-148 MHz D-3010-N 430-450 MHz UHF Amplifier. Pacific St. Modulator on top, RF on bottom. 144 MHz 110W Linear PA. OM Power, Power Amplifiers OM1002+ 1kW VHF Power Amplifier The OM Power OM1002+ is a solid state 1 kW VHF amplifier, designed for duty operation in the 2 meter amateur radio band, 144-146 MHz. I have used it mainly for MS and EME operation for many years. The 144 MHz Power amplifier is designed to work with the transceiver 2-meter band. 144 MHz 12W Power Amplifier - W6AJF. 2m 144 mhz 146mhz receiver 1. The amplifier, if feed by 44-50V power supply. Equipped with the KT 920 A transistors, KT 920 B and KT 920 W. Amplifier has SSB capability and I use mine with an old Kenwood TR-9000 VHF base. power vhf amplifier 3cx1500a7 , output power more than 1. of RG8 cable between the radio and the amplifier to bring it down to about 5 watts going into the amplifier, the. PicClick Insights - 2 meters 144 MHz amplifier 500W MRF300 LDMOS PicClick Exclusive. Beli Booster 144 Mhz Online berkualitas dengan harga murah terbaru 2021 di Tokopedia! Pembayaran mudah, pengiriman cepat & bisa cicil 0%. Popularity - 2 sold, 0 available. 350 watts, 600 KHz or greater freq. Mitsubishi Silicon RF devices which are the key parts for amplifying power of the transmission stage of mobile wireless communication devices in the high frequency band from several MHz to 1GHz robustly support wireless communication networks with a wide range of product lineup, such as mobile professional radio equipment for public agency use. 175 MHz 25W Power Amplifier - WA7KRE. Mirage B-5016-G 144 Mhz Amplifier - Crap by Dick Flanag » Tue, 23 Dec 1997 04:00:00 >> It is the worst piece of ham equipment I have ever seen and it is a disgrace. High Power Amplifiers/ Microwave Amp product list by frequency and power: High Power RF Amplifier Systems - Stop Frequency up to 500 MHz Empower RF Systems is an “Essential Business” We are taking all precautions and following all guidelines as mandated by local, state and federal requirements and adjusting our operations to continue. 0 views, 0 views per day, 355 days on eBay. MRFX1K80 HF power amplifier 1. Here some face lift done. 2 GHz Tx, and 144 MHz IF Rx from the S-band downconverter. PayPal ok, prefer USPS MO or direct bank check. 00 shipping. Version TX RX. Power outpout is 1100 watts. 80m-40m 2W Power Amplifier - W3QBO. 8V Power consumption: 4. 5W Complementary Power Amplifier - WA7KRE. BEKO HLV-1000 (144-148 MHz) RF Power Amplifier $ 3,100. It is particularly suitable for mobile operation as it requires a 13. 1315PACK 13cm Power Amplifier Kit Manual Note: NO longer in production 3456-144 3456 MHz Transverter Assembled using MICROLO. 00 - $ 3,400. 8Vdc supply voltage. 5 dB insert. 1KW 70cm LDMOS Amplifier. Commercially available 10 MHz-distribution-amplifiers are too expensive (even on Ebay). Amplifier has SSB capability and I use mine with an old Kenwood TR-9000 VHF base. TAJFUN 1000 is small, lightweight but robus dualband LDMOS Power Amplifier. 144-148 MHz: Power output @ 1dB compression: 480W: Power output CW >500W: Input power: 4-25W (specified when ordered) Spurious outputs <-70dB wrt 500W: Input return loss >13dB: Efficiency (RF) >65%: RF Device: 1 x Ampleon BLF184XR: Protection: Overdrive, SWR, Over Temperature: Relays: Coaxial Output and Input: Metering: RF output: Power. 5A Output power: 32W (16-36W) RF Input: 3W (0. 144-148 MHz: Power output @ 1dB compression: 480W: Power output CW >500W: Input power: 4-25W (specified when ordered) Spurious outputs <-70dB wrt 500W: Input return loss >13dB: Efficiency (RF) >65%: RF Device: 1 x Ampleon BLF184XR: Protection: Overdrive, SWR, Over Temperature: Relays: Coaxial Output and Input: Metering: RF output: Power. 2 meter dish is in use. 5 V, 11 watts output power at 100 mW control power. 144 MHz 75W PA with RX preamplifier. Amplifier has SSB capability and I use mine with an old Kenwood TR-9000 VHF base. 144 MHz 13W Power Amplifier - W1OOP. 146 MHz, 2 m amateur radio band, 146-147 MHz orginal) input and output resistance 50 ohms, U B = 12. Trimmer capacitor C3 allows you to slightly adjust the frequency of the carrier. 500 Watt Vhf Amplifier. TAJFUN 1000 is small, lightweight but robus LDMOS Power Amplifier. Freqency Coverage: 142-146 MHz; Operating Mode: FM, CW, SSB, DIGI; Output Power: 1000W CW, 800W SSB, 700W FM and DIGI modes 50% duty cycle; Push Pull LDMOS; Input Power: 16-18W default inside 6dB hybrid attenuator (optionaly 3dB) Power supply inside: 53VDC / 1800W. power vhf amplifier 3cx1500a7 , output power more than 1. 50Watts 144MHz FM Power Amplifier, M0UKD for 144 Mhz VHF and VHF activity for Amateur Radio: 70 cm Power Splitter: 70 MHz 25 W Power Amplifier,OZ2M: 70 cm LDMOS 1 KW Amplifier, W6PQL: 160 Meter Class E RF Deck, K1KBW: 1296 Mhz Power Amplifiers by K2AH: 144-MHz 1500W 8877 Power Amp, KL7UW: 144MHz FM 2N6084 Power Amplifier,M0UKD: 144MHz 4CX250FG. A 50 MHz high-efficiency (93%) high power (30W) Class-E power amplifier [9] and a 144 MHz Class-E amplifier with 54W output power and 70% efficiency [10] were recently reported. General description of the OM1002+ solid state amplifier for 144 MHz VHF band The OM Power model OM1002+ is a single band, solid state amplifier, designed for duty operation on 2 meter’s amateur band with all modes and no time limit. Crescend 144-152 MHz 10-20W In 100W Out Repeater Amplifier (P10-10DB1-C5-001) Crescend amplifiers are engineered to deliver superior reliability through outstanding design techniques. Output max 330W on 144 Mhz with 15W drive. 70 MHz: Sensitivity (Pre-amp: ON). Crescend 144-152 MHz 10-20W In 100W Out Repeater Amplifier (P10-20DB1-C5-001). 144-148 MHz: Power output @ 1dB compression: 300W: Power output @ -30dB IMD3 >250W: Input power: 2. The handheld exciter may be used to drive a small linear RF amplifier. On 222 MHz, this is definitely one of the best buys around. Find 144 MHz Transistor Power Amplifiers related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of 144 MHz Transistor Power Amplifiers information. EB104 HF Power Amplifier 677 views. TE Systems 1452G 350 watt linear amp for 144 MHz Teletec 180 watt linear amp for 222 MHz ; Teletec 150 watt linear amp for 432 MHz ; Converted solid state amp (28VDC) 250 watts for 902 MHz SSB Electronics TLA1274 100 watt linear amp for 1296 MHz; Two 70 amp 12V DC Astron Supplies, one 25A - 28V Astron Supply; Custom digital volt meter assembly to measure monitor output from the 2304/3456 MHz transverters and amps. 50 MHz 35W PA with MOSFET - DJ9FG. B-5018-G, VHF AMP,50W IN-160W OUT,144-148 MHz. 650MHz Repeater 59 Signal Repot With my Home brew ground plan Antenna 10 feet height Excellent Sensitivity without preamp. Power Amplifier The MW7IC915N wideband integrated circuit is designed with on--chip matching that makes it usable from 698 to 960 MHz. However after I finished construction it stopped working. A little bit of alignment on the SWR protection LED and all that. power rating is 1500 W. I have used it mainly for MS and EME operation for many years. RM Italy LA-144 2M Amp I have for sale a RM Italy LA-144 2M amp Amplifier, Linear, Broadband, 135-175 MHz, 2m, 4W Max Input, 70W Max Output. Mitsubishi Silicon RF devices which are the key parts for amplifying power of the transmission stage of mobile wireless communication devices in the high frequency band from several MHz to 1GHz robustly support wireless communication networks with a wide range of product lineup, such as mobile professional radio equipment for public agency use. 144-148MHz: Power output @ 1dB compression: 300W: Power output @ -30dB IMD3 >250W: Input power: 3-25W (specified when ordered) Spurious outputs <-70dB wrt 300W: Input return loss >13dB: Efficiency (RF) >65%: RF Device: 1 x Freescale MRFE6VP6300H: Protection: Overdrive, SWR, Over Temperature: Relays: Coaxial Output and Input: Metering: RF output. FM Power Amplifier RF Radio Frequency Amp VHF 136-170MHZ for Broadcasting tps. The switching voltage is supplied by a two wire DC able with Cinch. Power amplifier 144-148 MHz for BLF188XR transistor (The transistor is not included in the KIT!) Voltage 53. Description: Four high gain RF FETs, RD70HVF1, by Mitsubishi Electric are used at final stage in the parallel push-pull amp. Harris Amplifier (Original Design) Before building the SSPA amp I had recently finished building another high powered 144MHz amplifier based on a pair of Harris Amplifier RF pallets and could produce around 750w. 5 - 5 W) RX pre-amp gain: 20db Accessory circuitry: GaAs FET low noise RX pre-amp, LED power level indicator, Reverce DC power polarity protection IN3 AVB Alberto. 440 mhz mobile 220 mhz mobile 144 mhz mobile 50 mhz mobile 28 mhz mobile 24 32amp surge 30amp cont switching power supply $159. I'm trying to make an amplifier with MRF300. 59 shipping. 50 MHz 35W PA with MOSFET - DJ9FG. This divider has been tested and improved over the years. At 144 MHz bypass capacitor can be represented as series connection of C=22 nF L=7. 7VCurrent 28A 2. 75in high x 17in deep 360mm x 250mm x 430mm. 8V Power consumption: 4. This setup gives each of us 750watts of power, not quite my usual target of a 3dB overhead for an amplifier, in this case 400w which is the UK maximum power on 144MHz, but acceptable to ensure the hardware (components) are not being driven to their design maximums. VHF Amp 50W IN-160W OUT, 144-148 MHz D-3010-N 430-450 MHz UHF Amplifier. 80m 5W CW Transceiver (http://www. Just got hold of the latest pics from Ron VK4CRO his amp. For 144 MHz, there are many more used amplififers in the 800 to 1,000 watt range that are a lot quieter. 2 Kilowatt Amplifier 144 MHz Kilowatt Amplifier with a Gu74b. The 144 MHz Power amplifier is designed to work with the transceiver 2-meter band. The microphone amplifier is assembled on the transistor VT1. 144 Mhz Low-pass filter. I have used it mainly for MS and EME operation for many years. It is equipped with a with Freescale transistor. 1296 mhz 3w (10db) mmic rf power amplifier. Type: All-mode VHF linear amplifier: Frequency range: 143-149 MHz: Voltage: 13. The design follows the classic W6PO design which is described in the Eimac Notes. Selective Super Low Noise PHEMT Amplifiers for 144 MHz and 432 MHz MKU LNA 144 A - MKU LNA 432 A These selective super low noise amplifiers use the latest PHEMT transistor technology from Agilent. TELEWAVE 144-174 MHz pass/rej. Power output depends on the output transistor: KT 904 – 4 to 5 watts, KT 907 – 7 to 8 watts, 2N3375 – from 7 to 10 watts, 2N3632 – from 8 to 12 watts. 88-108 MHz 40W FM Power. speaker connectors : 3-conductor 3. D-100-ATVN, UHF AMP,2W IN-100W OUT,420-450 MHz. 390 MHz wiring the Mobilinkd TNC & automatic on/off (Jeep tablet based APRS part 2) in the last post about APRS i explained why i was interested, where the Mobilinkd bluetooth TNC fit in, and how to get the basic radio/TNC/tablet setup working. same PC boards I use for the power amplifiers. The amplifier is very heavy, though, weighing in at over 70 pounds. GM300 mobile radios cover the VHF (136-174 MHz in two ranges) and UHF (403-520 MHz in four ranges) bands, with 8 or 16 channels, 12. Many popular multi-band, multi-mode transceivers already have 2 meter CW/SSB capability and will drive a 10 GHz transverter as long as you reduce the 2 meter power output to match the transverter drive. RM Italy LA 144 Wideband VHF amplifier (135-175 mhz). 8-72MHz for QRP FT-817, KX2, KX3, X5105. The directivity achieved by trimmer resistor as terminator, was about 17 dB (at around 85 ohms). Only 1 left! A600 - LDMOS linear amplifier kit 600W 1. “Designed for Weak Signal, Tropo Scatter, Meteor Scatter, Digital, & Contest Operation!” The BEKO HLV-1000 employs advanced German-engineered, solid-state technology to deliver instant on, no compromise performance. VHF/FM: View This Document. 2 meter dish is in use. The 144 MHz Power amplifier is designed to work with the transceiver 2-meter band. Driver Application — 900 MHz Typical Single--Carrier W--CDMA Performance: VDD =28Volts,. The LA 144 is a wideband compact amplifier for VHF band, covering from 135-175 Mhz. A change of exciter could occasionally require a new length of cable to be determined. 440 MHZ MOBILE 220 MHZ MOBILE 144 MHZ MOBILE 50 MHZ MOBILE 28 MHZ MOBILE 24 MHZ MOBILE 21 MHZ SWR/POWER METER W/FIELD STRENGTH for CB Amplifiers and Preamps. 432 MHz 110W Power Amplifier. Power Supplies. The 144 MHz contest station uses 3 antenna systems. Free VHF-UHF-SHF power amplifier schemes. HRC-60 : Connectors & Cables. MRF300 included LDMOS 144 MHz 2 meter linear amplifier 500W. 8Vdc supply voltage. Discussion in 'Amateur Gear eBay Auctions Ending Soon' started by Ebay, Nov 7, 2012. 12 v frequencies 135-175 mhz We use own and extern cookies to offer you the best experience and service. This radio is narrowband frequency nodularia. RM ITALY VHF HT Linear Amplifiers are broadband, compact amplifiers covering 135 to 175 MHz. linear amplifier 6 x qb4 or 4-400 tubes vhf 144-146 mhz linear amplifiers 1) 4cx-350. The KL703 requires about 30W for maximum output power. 2 kW in radiotechnical equipment. 70 MHz: Sensitivity (Pre-amp: ON). 26 watching. 2x EL84 power tubes and 3x12AX7/ECC83 preamp tubes.