Compact 5-element Yagi with slim 146 cm short boom, mounted in the center of the mast. This page shown only for historical reasons, the amplifier is no longer in my possesion, but has found a new home at OZ6YM! The saga about my 144 MHz GI7b Linear: In 2000 I acquired a second- (third or fourth) hand job, originally built by HG8UG, bought in DL-land from DG5NFF (I believe) by OZ1BNN last year. NEW 500W Mrf300 LDMOS 144 MHz 2m linear amplifier kit ( NO MOS tube) Opens in a new window or tab. Dubus 4/2011 p. Mirage B-34-G Amplifiers added to your 2 meter handheld transceiver will get you 35 Watts of output! Talk further, longer and clearer and reach distant stations and repeaters. 70. 1,300 watts. This is a 2 Meter (144-146MHz) high powered linear amplifier. Easy to mount and dismount 43 – 70 mm bracket: Electrical Specifications 2 meter. Operating Mode: FM, CW, SSB, DIGI. 1. LNA 2m QRO comes in two editions: based on PGA-103+ and based on ATF-531P8. Good seller with good positive feedback and good amount of ratings. Front-to-Back Ratio: 29 dB. All brass anode stripline - silver plated on request for minimal losses and long term stable Both Horz and Vert arrays now show 1. A 0. * Power Requirements: 117/200/234VAC 50/60 Hz. Product Usage: The width RF low power amplifier is suitable for 144MHz (130-180Mz) radio emission learning research. 98 Picture 1: Gesamtansicht / Overall View 750W SSB/250W FM Handling. 1 dB Low Loss Transmitting Band Pass Filter with “N” connectors. Edition that based on PGA-103+ with built-in bypass relays up to 1200 Watts is listed here. The design uses a Mini-Circuits PGA-103 E-PHEMT amplifier that has a very high dynamic range and ultra low noise figure, and provides superior performance to Mos or GaAs FETs. The TEK-PA-200V/C operates with 5 to 50 watts input from your Mobile or Base Transceiver, with approximately 25 watts required for full output. Designed, manufactured and assembled entirely the UK, the all new GEMINI linear amplifier is a solid state linear amplifier with 300W output available in 6, 4 and 2m versions. * Modes: USB, LSB, RTTY, FM, CW. SKU: 6850. QRO – Extreme power on transmit and low noise on receive with integrated Input band-pass filter. * Opto-isolated keying interface. The device contains a High Selectivity, High Q, Low Loss Bandpass Filter with a PGA-103+ Preamplifier. 2 SWR at 144. Output power is 350 watts. Reviews (5) A Complete Solution for 144-148 MHz 1500W Transmit-Receive 2m Competition and Moonbounce System with Low Loss Receive Band Pass Filter and Preamplifier EME2-144. This PA module is produced by ITALAB s. 750W SSB power handling (when sequenced) RF sensed changeover or sequential. 5’ boom) mounted on a home-made wood tripod with a TV rotor for azimuth control and a homebrew manual elevation adjustment. Recommended for output powers up to 400 Watts. 2GHz 30W Assembled Power Amplifier, 2330PACK Complete Kit Manual. Voltage: 13. 45 Watts Output on 2 Meters 35 Watts output on 440 MHz . A total of 15 variants of the 144 MHz Yagi are available. RF drive of 10W, 25W, and 50W. Shipping per piece: $18. It assembled into milled aluminum case with N-female input and output connectors. Description: 144-148 MHz recieve only pre-amplifier for repeaters. Amplifier Weight: 33. The design follows the classic W6PO design which is described in the Eimac Notes. 144 MHz ~ 148 MHz 2m VHF AMPLIFIER. This unit is just back from TE having been gone over. co. Review Summary For : Commander VHF-144. Duty is intermittent and has thermal switch protection. 5 dB preamp noise figure) located at the antenna. Avg: $775. 25 kW with as little as 3 The ultimate DX or EME amplifier. Frequency range: 144-148 MHz. . DX WORLD-eMRF300AN & MRF300BN LINEAR AMPLIFIER 500W BOARD V2. Input Power: 12 - 16W default inside 6dB hybrid For sale is a nice condition TE 1452G 144 Mhz amplifier. VHF 144-148 MHz power amplifier. Available exclusively from DX Engineering, 2M-1K2 Amplifiers feature a built-in power supply, and utilize the new Freescale™ LD MOS FET (MRFE6VP6IK25H), a single device specified to produce 1. 1dB compression point at approx. $600. Next I will test my new 1500w W6PQL amp and will be QRV for 2m eme, soon. 5w,10w. Diplexer and elliptic (2 or 3 stage) filter. They also include several protection circuits. 00; Indicative prices in EURO €32,45 Indicative prices in USD $34. 5B. Although the intention of this filter Jan 2, 2024 · Mrf300 LDMOS 144 MHz 2m linear amplifier 500w parts. lifangduo1006_0 (1,326) 98. However a year ago was for sale cheaper version without any control board. This 144 – 146 MHz Bandpass filter will be perfect for suppressing out-of-band signals. With NXP's new cool-running BLF188XR LDMOS transistors, you'll be able to punch through the contest pileups! Sep 26, 2017 · The item "MRF300 included LDMOS 144 MHz 2 meter linear amplifier 500W" is in sale since Wednesday, September 23, 2020. PA144-5-1. Quantity: Sold individually. * New, super-fast, accidental-overdrive / spike protection up to 150W. The HL-355Vkx has the following features: • Latest LDMOS FET: • Adoption of Multi-Protections: • LED Output Level Meter: • Low-Noise RX Pre-Amp: • Auxiliary Remote Controlling Function: • Large Aluminum Heat Sink: 249,00 €. Powered from DC voltage on Coaxial cable. Introduction. Supplied with mast clamp. I am using the Triode Board built by G3SEK (2023 appears no longer avaialble). It can output 5. * Built-in IMD May 28, 2013 · 2. Review Summary For : Advanced Receiver Research (Ar2) P144VDG. SP200 144MHz Masthead Preamplifier. Amplifier Weight: 2. 98. 02m BAND VHF 143-148 MHz RF INPUT:0-8W MAXRF OUTPUT:0-600W MAX--- 5W INPUT FOR 500W OUTPUT WITH 53V---CURRENT 13A All Modes - CW, SSB, FT8, RTTY, EME, FM ect. 2 meters 144 MHz amplifier 500W MRF300 LDMOS:$980. Mirage VHF/UHF Amplifiers. Henry c30a02 vhf rf amplifier 157. Current drain: 42 A @ 250 W output. Product is in production. Detailed Views and Specifications. Reviews: 7. The seller is "v_r3kr" and is located in Voronezh. 2V power when inputting 0. Frequency Range 144-146MHz. $44. This amplifier is designed to enhance the performance of VHF radios, specifically operating on the 2-meter band at a frequency of 144MHz. Add this MIRAGE BD-35 dual band amp and boost your handheld to a much more powerful mobile or base Design and building of a 300 W MOSFET Push-Pull Power Amplifier for 144 MHz. Ready to Ship. Many 144 mhz amplifiers are certified for safety and adhere to international standards, giving you peace of mind. Resources listed under Amplifier category belongs to Amplifiers main collection, and get reviewed and rated by amateur radio operators. 2370PA 1296MHz 65W Amplifier 23120PA 1. More. Updates were added and the driver transistor replaced. 10w,40w. This amp has not been modified by me in anyway, and I have never had the screws out to look inside. 200 MHz. Aug 22, 2011 · Radio station OZ1PIF. 00 lbs. Because this module does not consist any of supporting circuits, i was asked by one RM Italy MUA 100 Wideband UHF Amplifiers MUA100. Designed, manufactured and assembled entirely the UK, the GEMINI linear amplifier is a solid state linear amplifier with 300W output available in 6/4m, 2m, 70cm and a 200W 23cm version. Great deals on VHF Ham Radio Amplifiers. BEKO HLV-2000 2 Meter Amplifiers supply 2000 watts, using no-compromise technology, for the demanding VHF Radio Amateur. * Built-in IMD 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. MSRP: 2995. Brand New. This item can be shipped worldwide. BEKO amplifiers are “the best of the best” VHF UHF & SHF high-power linear amplifiers available worldwide! HLV-1400 Features: * Instant on, no warmup is needed. BEKO amplifiers are “the best of the best” VHF UHF & SHF high-power linear amplifiers available worldwide! HLV-2000 Features: * Instant on, no warmup is needed. incl VAT: £ 246. 95. Frequency Range: 144 – 146 MHz. They were designed to cover 118-136 MHz at 50 watts AM continuous output. Peaked up on 144. Listed under the Technical Reference/Preamplifiers category that is about Preamp projects and notes. Mar 11, 2024 · By using Ampleon's ART1K6 transistor, the typ. X. G0MRF 144 MHz Pre-amp Kit. The products are perfect for use in contests, EME, MeteorScatter, Aurora and Tropo DX. EB500 is atransistor linear VHF power amplifier designed for use with amateurradio stations. 5 kW <0. Input Return Loss batter then: – 30 dB. lifangduo1006_0 (1,408) 98. Operation on the VHF broadcast band (88 – 108 MHz) may also be an interesting application for some people. The schematic diagrams (PDF 60 kB) and the following Jan 5, 2023 · 2) 144 MHz RF preamplifier. Mrf300 LDMOS 144 MHz 2m linear amplifier 500w parts. The point is, on my opinion, that this is the best device and the best compromise (noise/dynamic) until now available for the 2 meters band for use either in E. The purpose of this article is to describe how to assemble several VHF power amplifiers, examples are given for the 50 and 144 MHz bands. 5w). The term usually refers to a type of radio-frequency (RF) power amplifier, some of which have output power measured in kilowatts, and are used in amateur radio. Don’t miss the opening! * No tuning required. Dec 21, 2009 · DV28120T push pull amplifier. 504 in. Calculated loss 1. * True step-start control circuitry. Description of a 144 MHz HPA with 2 x 4CX250B tetrodes. MOSFET BLF278 is designed, implemented and tested. RF or hard switching. VLNA-144 144 MHz VERY LOW NOISE AMPLIFIER by Gyula Nagy, HA8ET. 02. Programmable Unijunction Transistor (PUT) – A Quick Rescript VMOS 144 MHz Push Pull DV28120T Amplifier ITALAB 1kW 144MHz Power amplifier MD 1K Box - AR 144. Silvered 70 ohm cavity input. Toptek Communications PA-200V Series VHF 144-148 MHz 200W Power Amplifiers Amplify your 2-meter transceiver to 200 watts maximum output. This is the reason why radio amateurs and club-stations all around the world trust in Kuhne electronic equipment. Reviews: 16. Sep 26, 2017 · Low noise amplifier for 2m band LNA-2m-QRO. NOT Incloued MRF300AN and MRF300BN LDMOS power amplifier tubes. The HLV-1400 is the ideal amplifier for contest, portable, EME & home station operation due to its small foot print and light weight. Pre-Owned. SKU: 6320. BEKO amplifiers are “the best of the best” VHF UHF & SHF high-power linear amplifiers available worldwide! HLV-1250 Features: * Instant on, no warmup is needed. These preamplifiers set a new standard featuring high power ratings, high reliability relays containing ceramic and PTFE linings. NO MRF300AN and MRF300BN LDMOS power amplifier tubes. Free Mobile Bracket Included . INTRODUCTION The Commander VHF-144 is a grounded grid AB2 linear power amplifier that oper- ates on the Amateur 2 meter band (144 to 148 MHz). , Italy. October, 2020: 130-foot LMR-400 line loss tested from transverter (>25w output) to remote amplifier location (16. Also available as HLV-1000-LPD with integrated 30 dB driver amplifier. Note: Antenna systems that have a DC short at the feedpoint require an external DC block at the antenna or the separate DC cable from the amplifier to power the preamplifier. Review Summary For : Palstar VHF-144 1000 watt 2 meter RF amplifier; Reviews: 3 MSRP: $2995. 2 GHz 120W Assembled Power Amplifier. Close. 5 wl length will be useful to shorten coaxial cables. 10-20dB adjustable gain. or copy this link. CD/cc (-RN) - Continuous-duty, rack-mount, medium-power amplifiers. Reviews (0) 2 Meter BandPass Filter with 144 – 146 MHz Very Low Noise Preamplifier. 50; incl VAT: £33. de Last Update: 08. 2-meter Bandpass Filter BPF uses high Q coils and capacitors with Q of more than 4500. TAJFUN 1000 is small, lightweight but robus dualband LDMOS Power Amplifier. It provides a cost-effective power solution for amateur radio operators, with a cost of around $100 and 1W of output power costing HL-355Vkx (144~148 MHz) Click for Details. The amp lifi er is d esig ned to deli ver up to 5 00 . Auto RFsense T/R switch. SKU: 6670. Aerial input is applied to an intermediate tapping on inductor L1, which can be usually through a co-axial feeder. 5dB Noise figure. New cooling concept for whisper-quiet operation. Power supply 48-54VEfficiency UP TO 80%Class AB BOARD SIZE: 130x100mm MRF300 NOT INCLUDED This document describes the design and testing of a 500W pallet amplifier for the 144MHz amateur radio band using NXP's MRF300AN and MRF300BN LDMOS transistors. Nominal Input Impedance: 50 Ohm. LAN & USB as standard. I have used it mainly for MS and EME operation for many years. Model: PA500W. 229,00 €. It is equipped with Freescale LDMOS transistors and is water cooled. Almost 10 dB (A) quieter than previous versions. lifangduo1006_0 (1,422) 98. Works with all majorbrand Handhelds up to 8 Watts . Microset SR500 VHF 2m 144MHz 500 Watt Amplifier is now available both in-store and online at Radioworld. 13ULNA 2304 MHz Low Noise Amplifier Assembled, 13ULNACK Low Noise Amplifier kit manual The manual for the new 1412G is very well-written and has an excellent layout, and even provides instructions on how to "tweak" the input and output of the amp for best performance. 93. Approximately 13 feet of AirCom Plus which was in the junk box connects the amplifier to the antenna, but EcoFlex 10 Plus has almost the same characteristics. BEKO HLV-2000 2 Meter Amplifiers. M. See the web page of this amplifier here . Top 10 Articles. output power is 1,100 watts. MSRP: 300. I purchased the Plate lines and output tuning capacitors as a kit from The MRF101AN is suitable for single band PAs on the 6m (50 MHz), 4m (70 MHz) and possibly 1. Mirage Dual Band BD-35 . Seller - 1,151+ items sold. 2m 70cm Dual Band Antenna PA144-432-21-3BP With Common Connector. It uses a 2N6084 RF transistor, and will produce 50w output max. 3. * WSJT / FT8, Digital Mode at rated output. 89. Best quality when compared to PicClick similar items. A short piece of RG400 connects the RF pallet's output to the N-female ("144 MHz out") on the right side panel. MSRP: 79. The kit from AMSAT‐UK contains all the parts and hardware necessary to build the G0MRF 2m filtered preamplifier. Description. 15, Low: $204. 4w,20w. com. Characteristics measured: NF <0,2 dB. A piece of thin teflon coax connects the RF pallet's input to the N-female ("144 MHz in") on the left side panel. 60, High: $1,345. See all feedback. 750 in. design of a preamplifier for 144 mhz with 1 db nf and 23 db gain using bf981 this amplifier is using a low cost silicon mosfet bf981 from philips to give more than 20 db gain with around 1 db noise figure on 2 meter . 10. 7%. Verified purchase. Freqency Coverage: 430-440 and 142-146 MHz. Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. At a current price (late 2004) of $286, this has got to be just about the best buy in a 160-200 watt amplifier class for 2 meters. 9 dB. The Mini-Kits High Performance VHF 2M RX/TX masthead Pre-amplifier has been designed to be easy to construct, and is suitable for the 144-148MHz Amateur Band. A M2 2M9SSB 9-element Yagi (14. G >21 dB. 00 shipping. The finished 1 kW pallet for 2 meters. 69. 4. 92 RFC RFC 2-417 2 Meter Radio & Amplifier, 45 in 170 Out & 144 MHz Transceiver. 300mhz 30 watt output 1-5 watt nominal drive. 34 shipping. Has just two connectors so you don 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. With a power output of 500 watts, it provides a Review Summary For : AM-6154 144 MHz amplifier. The Linear Amp UK Discovery 2 utilises a single Russian GS35 triode and will produce up to 1500 Watts output with 100W of drive. «. GaAs low noise RX pre-amp included. Electrical specifications: Frequency range: 144 – 148 MHz. or Best Offer. Add to basket. The OM2002 amplifier is equipped with a new Freescale highly rugged N-channel double MOSFET. Low loss of filter achieved with careful design and adjustment. 2. Securing the heat spread. 00 - $55. Assembling with different connectors in QRO lineup The 144 mhz amplifiers on AliExpress often boast nfs under 3 db, providing clean and interference-free communication. 4GHz Receive Converter. Nov 26, 2019 · Power supply 53V, 12ATransistors mounted on heat paste Chill Factor The OM Power OM2002W solid state power amplifier OM2002W is designed for 144 MHz amateur band from 144 MHz till 146 MHz and all modes. 144-146Mhz Frequency Range. From operation to local repeater to demanding EME application - just choose the antenna that suits you. 07 lbs. Free Space Forward Gain: 12. Two types of amplifiers will be consid-ered, amplifiers with one and with two transis-tors. and contest. Mar 29, 2022 · Verified purchase. Min. $50. Price excl VAT: £ 270. With only a few hours of work, and almost no extra parts, they are capable of over 400 watts output on 144 MHz YU1AW. Before usingthe EB500 Power Amplifier, carefully read this manual and otherdocumentation that came with your amplifier. 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. 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 by la0by. E. May 22, 2019: Modification moving dual preamps, TR relays, and polarity 2330PA 1. 00; Description: Specifications * Frequency Range: 144 to 148 mHz. Assembly instructions are given as well as explanations of some general issues with regard to the 249,00 €. A single CPI/Eimac 3CPX800A7 pulse-rated external anode triode with forced air cooling and modern stripline circuitry ensures efficient and conservative operation. Find VHF/UHF Amplifiers 100 watts RF Output Maximum Power and get Free Shipping on Most Orders Over $99 at DX Engineering! Designed by HA8ET, the new BEKO HPP-144 preamplifier is the ideal addition for all users who desire to run their amplifiers at the maximum full power levels. Gyula Nagy, HA8ET: EXTRA-2 144 MHz Contest Preamplifier (REV6). The 2m band (144 – 148 MHz) was selected for initial prototyping and proof of concept. This amp works without any problems and produces its full output of 600 Watts for 25 Watts drive. 6%. TR1 can be any RF dual gate FET. Price excl VAT: £ 205. 5RB Oct 1, 2013 · this research, 144 MHz RF signal amplifier based on . This 144 MHz preamplifier can be applied to any 2 metre receiver gadget, or used just before the 144 MHz stage converter explained above. Listed under the Technical Reference/Amplifiers/VHF Amplifiers category that is about Amateur linear amplifiers. 18. HL-350Vdx VHF 2m Amplifier. This is a kit that requires you to solder yourself. Pre-Owned · Henry. Auto-SWR, DC line voltage etc. * High speed electronic bias switching. How to connect a supporting circuits. A 144 MHz Amplifier with a GS35b This version is to be published only by the autor Page 1 of 38 A 144 MHz Amplifier with a GS35b Addendum: A 432MHz GS35b Amplifier Günter Köllner, DL4MEA Am Rain 24 D-85256 Vierkirchen Email: dl4mea@yahoo. Because this module does not consist any of supporting circuits, i was asked by one friend, who bought it, to suggest or copy this link. VHF linear amplifiers category is a curation of 61 web resources on , DL5DBM 1KW amplifier for 144 Mhz, LZ2US Amplifiers, 70 MHz 300 W Power Amplifier. Output Power: 500W CW, 450W SSB, 300W FM and DIGI 50% duty cycle. For Radio Amateurs that need effortless, reliable power for contesting, DXing or EME. Dimensions: 50*50*15mm. Size/Wt is 3 x 10 x 11" (h,w,d), 9 Lbs. 8 dBi. 8 VDC. Be prepared and able to communicate in case of emergency with the largest selection at eBay. Reviews: 6. 0. An RCA phono connector was very neatly added to rear panel for hard-keying the amplifier. 7w,30w. Although valves are quite a common choice amongst the amateur community for building (high) power amplifiers, I opted for building a MOSFET Solid-State Power Amplifier (SSPA) instead. Important design features and measured operating parameters are displayed in the amplifier manual (26 kB PDF). 1W, and has high conversion efficiency. It is a class C amplifier design, and therefore good for FM mode only. 2304-144 2304 MHz Transverter 2400-144RX 2. $45. 149,00 €. Multi-meter for power out. Description: The FAA used the AM-6154 in the 1980's with ground-to-air transmitters. 1PCS X DIY KIT 500W VHF 144-148MHz Power Amplifier Linear Amplifier. 0W@7. With only a few hours of work, and almost no extra parts, they are capable of over 400 watts output on 144 MHz 144-MHz 1500W 8877 Power Amp. 200 for SSB/CW. Reviews (1) 2 meter 144 MHz – 148 MHz 1. Linear Amp Gemini 2 144MHz 300W Solid State Linear Amplifier. Other types of linear amplifier are used in Amateur VHF all-mode linear amplifier. Even if you have a bad SWR. 9. Product Code: DG8 Pre-Amp 2M Short Kit; Availability: 2-3 Days; £27. 25m (222 MHz) band. Oct 4, 2017 · Tokyo Hy-powerSagra 600 2 Meter (144-146MHz) 600 Watt. 5 in stock. uk. Tested both preamps and appear to be good. Order: 2 boxes. 0% negative feedback. This amplifier is characterized by its compact New robust Heatsink + Auxiliary small turbine. Control power +7 dBm. 2m Masthead Preamplifier. Price - 2 meters 144 MHz amplifier 500W MRF300 LDMOS. Divide – Combine four antennas in the “H” Configuration. A TE Systems 1412G 200-watt, 144 MHz amplifier/preamp (0. Product weight: 55g (heat sink blackening) Package included: 1 x RF 144MHz 5W Power Amplifier. Reviews (0) 144 MHz Power Divider 4 Port Combiner for 2 meter Band 1/2wl. OIP3 +40 dBm!! (± 2 dBm) BW output ±3MHz inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes, type 4CX250B, in a push-pull configuration. New! D*STAR COMPATIBLE! Reverse Polarity Protection . Amplifier, Linear, Compact, 405-480 MHz, 100W Nominal Max Output, w/Fan, Each. an home made low noise preamplifier project for 144 mhz with detailed circuit diagram the vlna 144 preamplifier has been published on dubus 4 2019. 144 – 148. 144-MHz 1500W Power Amp. a. 00. February, 2019 - Update: 144-MHz EME Station Block diagram showing Adaptive Polarity Reception. Output power 500W. Fast & Free shipping on many items! A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. DG8 2M Masthead Pre-Amplifier 144MHz - Short Kit. Indeed, for 144 MHz operation, I’m using a remote transverter ITALAB 1kW 144MHz Power amplifier MD 1K Box - AR 144. HLV-1000 Specifications: Frequency range. $30. Dipole, balun, and connector view on PA144-432-21-3BP. It’s the best HT amplifier value on the market! The Low Noise amplifiers are especially selective and absolute stable therefore oscillation is avoided. Description: 144MHz band 300W amp. I have tried using the 2N6084 in class A, but amplifier gain was down to about 4dB and it seemed a but pointless! [table] Input Power,Output Power. The connectors supplied are a high quality PTFE insulated reduced flange Ntype for the connection Kit Support. Drive power: 10/25/50 W selectable. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". Regulatory compliance: ensuring compliance with local regulations is crucial for any communication device. HPA / VHPA Series - High-output power amplifiers and larger size. The HLV-1000 provides a direct connection to the HPP-144 mast-mounted preamplifier. This page describes the construction of a 1500-watt 2m amplifier using an 8877. VHPA is rated to 600W with special copper heatsink. With all the nuts and washers and mounting hardware, there are over 60 individual parts to this project. This will allow you toreduce the risk of failure of this product. GI7b Linear. The amplifier achieves over 500W of output power with 22dB of gain and harmonics down by over 60dB. 2024LEI XEN LX VV-808SU Mini 25W Dual-Band Power Amplifier UHF/VHF 144/470 MHz Vehicle Mounted Walkie Talkie. Page 4: Inside View Review Summary For : AM-6154 144 MHz amplifier. Now M2 has made another significant contribution to the Amateur community with these high performance 144-148 MHz amplifiers. Description: 144 MHz mono-band amplifier based on a single Eimac 3CX800A7 ceramic metal triode, capable of 1000W PEP SSB. Designed to fill a market gap between the low power outputs of transverters and smaller rigs and the 1kW Icom PW-1 HF, 6m 1kW linear amplifier. cb ac wi zj yf cd xa fj oo bf