Mrf300an hf amplifier

Mrf300an hf amplifier. HF and VHF communications Switch mode power supplies Document Number: MRF300AN Rev. MRF151G RF MOSFET Transistors 5-175MHz 300W 50V HF/VHF High Power Amplifier . Dec 8, 2021 · NXP Semiconductor’s MRF300AN Essentials Kit uses components to accelerate a power amplifier design. 8 through 21. Linear Amplifier in the World. Linear amplifiers come in a range of options, from 600-watt PEP output to 1,500-watt continuous power that let you operate with authority from 160 through 2 meters whether Dec 4, 2019 · Power Amplifier for Digital mode - FT8, RTTY ect. POWER THROUGH LPF Mar 25, 2023 · 1. 600W HF LINEAR AMPLIFIER BOARD FOR. 6² cmand hipro-tech's im Description. Accelerate your RF amplifier design with the MRF300AN RF Essentials Component Kit. The MLA100V is the same amplifier unit with the addition of an externally mounted fan. Mosfet MRF300AN dan MRF300BN adalah mosfet yang dirancang untuk penguat RF baik HF maupun VHF. 56 MHz Reference Circuit. The kit includes two MRF101AN power transistors, a 0. Over 600W from 1. 8-54Mhz 50v. AMP, . Transistors - MRF300AN 2 pcs, MRF300BN 2 pcs class AB Quiescent current 250 mA each. The . The. Safe Assure Functional Safety. 56 MHz reference circuit is E=79. ALS-500M amplifiers operate at full power with continuous frequency coverage from 1. 8 to 250 MHz, 300 W, 50 V, TO-247-3L, LDMOS. Heat power depends on output power and the power efficiency of the amplifier. AL-811H amplifiers cover all HF bands, 160 through 15 meters. rf output:0-600w max--- 5w input for 500w output with 53v---current 13a . Output power 1. if one of the 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. Lead Free Soldering. pdf is an Application Report from NXP describing the use of the transistors in a 400W HF/VHF Power Amplifier that is delivering 400W PEP on all amateur bands from 1,8 MHz to 145 MHz. Nov 8, 2019 · It uses two MRF300AN which are 50 V wideband RF power LDMOS 300 W CW transistors with a frequency range from 1. A600 HF/VHF 600W linear amplifier kit v1. May 22, 2024 · Fangyid -200 50W CB Radio Power Amplifier HF Amplifier 3-30 MHz AM/FM/SSB/CW Walkie Talkie CB Amplifier Part. 5V 14A. Overall view of test setup. Nov 26, 2019 · Power supply 53V, 12ATransistors mounted on heat paste Chill Factor Apr 29, 2024 · RF Amplifiers - Low / Medium Power; RF Discrete Components – Low Power; Control Circuits; MRF300AN 50 MHz Reference Circuit. Ameritron HF Power Amplifiers Ameritron ALS-500M Amplifiers are 500 watt PEP output solid-state linear amplifiers using rugged, conservatively rated, bipolar RF devices in the power output section. 8MHz to 54MHz, 450W at 70MHz; 24dB typical gain, needs less than 5W drive; High efficiency, typical draw 20A @ 44V. 95 Apr 1, 2015 · However, using a UHF part at HF frequencies has the exact opposite effect, with a dramatic increase in gain. LPF filters 160-6m Band board. com/MRF300AN NXP MRF300 RF Power LDMOS Transistors are suitable for high VSWR ISM applications, broadcast, mobile radio, HF/VHF communication Nov 22, 2019 · Let’s give it up to the Homebrew RF Design Challenge winners!! 1st – Jim Veatch, U. MRF300AN and MRF300BN not included. Aug 11, 2023 · hf; uhf; amplifier; power; Wireless Learning. Part/12NC PbFree EU RoHS Electronic Components Distributor - Mouser Electronics Feb 8, 2022 · The max junction temperature calculation must use thermal power (not RF power) that is dissipated at the device. This Shop MRF300 600W HF Linear Amplifier Board - 160-6m online at a best price in Nepal. Without Transistors - MRF300AN, MRF300BN (output and input board). 0. QUICK VIEW50A Single Stage DC Line Noise Filter Circuit. 12V/1A is just a specification, the gate side needs in reality very little current. 24dB typical gain, needs less than 3W drive. Evaluation Boards parts available at DigiKey. RF Power Transistor, 1. 8-54 MHz 7-Band Low Pass Filter 1. Size 100 x 100 x 50(h) mm. +1. Thermal interface - cheap thermal grease. Jun 4, 2020 · Product link:https://www. Power efficiency depends on the design. 8MHz to 54MHz. Output spectrum at 40 watts 50v supply. 01-15-2021 03:10 AM. Amplifier board 600w for MRF300 ldmos. Get 800 watts output PEP SSB and 600 watts output CW. 7” by 2” PCB, a custom baseplate, two SMA connectors for mounting along with relevant hardware to assemble the MRF300AN essentials kit. Aug 2, 2018 · MRF300AN 71. 8-30MHz HF Power Amplifier HF RF Amp Board SSB for Shortwave Radio DIY. RF OUTPUT: 0-600W. A full featured 100W amplifier will set 500W Linear Amplifier Board for MRF300 2pcs50-70MHz (6/4m Band) RF input: 0-5WRF output:0-500WAll modesPower supply: 48-54VCurrent 13AEfficiency 80%Can work all modes digita/ssb/fm etc. Price: $90. Manufacturer Product Number. $1200 (NEEDS AMPLIFIER) (5) Hardrock-50 HF+6M Solid State Amplifier Kit. Their unmatched input and output design allows Jun 19, 2018 · NXP Semiconductors MRF300 RF Power LDMOS Transistors feature unmatched input and output, allowing wide frequency range operation from 1. 3. 1. t. Available for production quantity orders. 164051111298 NXP MRF300 Reference Circuits support the MRF300AN RF power LDMOS transistors by sharing the same PCB layout. . Oct 29, 2019 · by PA8E. Fully qualified to meet NXP quality and reliability requirements. The circuit is typical and does not require any explanations. Customer Reference. Thermal image of amplifier output matching at 250 watt level. High efficiency, typical draw 20A @ 44V. Free Shipping. mrf 300 included . 95 ($5. Oct 1, 2017 · Kit include 3 assembled boards. 00. Design: An MRF101AN broadband amplifier design with 1 W Input, 100 W Output 1. 8–250 MHz, 300 W CW, 50 V WIDEBAND RF POWER LDMOS TRANSISTORS TO--247--3 MRF300BN TO--247--3 MRF300AN G S D MRF300AN MRF300BN Note: Exposed backside of the package also serves as a source terminal for the Oct 9, 2021 · WEBSITE:https://www. D-1010ATV-NR, UHF R. RX-TX & Antenna switcing board. Among many other impressive applications, they have made the first and second place in the 2019 Homebrew RF Design HF and VHF communications Switch mode power supplies Document Number: MRF300AN Rev. These compact reference circuits offer design reuse across frequencies using the same PCB layout, enabling RF designers to quickly generate new power amplifier designs for multiple frequencies. The result is a rugged, commercial quality amplifier designed to run cool under 1500W Jun 19, 2018 · NXP MRF300 Reference Circuits support the MRF300AN RF power LDMOS transistors by sharing the same PCB layout. 269; asked Jan 9, 2022 at I'm designing a 300W power amplifier using the MRF300AN from NXP targeting a center Dec 4, 2019 · Power Amplifier for Digital mode - FT8, RTTY ect. HF/6m Linear LDMOS Amplifier Kits has information about the latest version of this kit. To watch the video and learn more about Jim Veatch’s design and specifications please HF tin plate enclosures Amplifier Modules Filters DIY kits & PCB's STL link accessoires Tools MRF300AN MRF300AN. Mar 25, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright In the output stage of the power amplifier, two high-quality LDMOS transistors MRF300AN and MRF300BN are used. Amplifier, CE Certified, Three 811A Tubes, 600 W Out PEP, 160-10 meters, 240 Vac, 5 A Max. 5 watt of drive power. 00 out of 5 based on 1 customer rating. Jan 28, 2022 · Published: 28th Jan, 2022. The SMALLEST 300 Watts R. NXP's implementation is 5. This circuit was designed as a Class-A Driver for a 1KW LDMOS Amplifier but can also be used as a stand-alone unit. - Ameritrons revolutionary ALS-600 is amateur radios ONLY linear amplifier that uses four This high ruggedness device, MRF1K50H, is designed for use in high VSWR industrial, scientific and medical applications, as well as radio and VHF TV broadcast, sub-GHz aerospace and mobile radio applications. 0, 05/2018 NXP Semiconductors Technical Data 1. These transistors are housed in an MRF300AN MRF300 RF Power LDMOS Transistor 300W 1. Bulk. POWER SUPPLY:48-53. nxp. rf input: 0-12w maxrf output: 0-1200wfreq. amplifier board is 2x600w combined in phase for up to 1200w max output. The MRF101 amplifier is based on the NXP MRF101 RF Power LDMOS Transistors. 7% @ Pout=320W. Oct 7, 2019 · The right high-power HF amplifier or solid-state amplifier for your station can deliver the DX punch you need to get heard loud and clear when faced with pile-ups and QRM. MRF300AN REF BRD 148MHZ 320W. Over time, you’ll also find amateur radio amplifiers for sale by major brands such as RM Italy, Ameritron, ACOM, or Alpha Linear Amplifiers from RF May 23, 2024 · NXP MRF300 Reference Circuits support the MRF300AN RF power LDMOS transistors by sharing the same PCB layout. 5 MHz amplifier. 8–250 MHz, 300 W CW, 50 V WIDEBAND RF POWER LDMOS TRANSISTORS TO--247--3L MRF300BN TO--247--3L MRF300AN D S G G S D MRF300AN MRF300BN Note: Exposed backside of the package also serves as a source terminal for the Mar 16, 2021 · MRF300 LDMOS HF/6m 600W Linear amplifier Video test conditions:RF IN: 5WPOWER SUPPLY: 53. Environmental. , Each. Size PCB 5cm x 10cm. 0include ldmos mrf300an & mrf300bn rf input: 0-8w maxrf output: 0-600wfreq. 0 FOR MRF300AN & MRF300BN LDMOS. From manual gate side needs around 1A and 12V. There's no compromise on WARC and most MARS bands--you get 100 percent rated output. Shipping to: 600W 1. MRFE6VP61K25-VHF. 5 MHz band based. 5-22 MHz coverage, instant bandswitching, no warm up, no tubes to baby, fully SWR protected, extremely quiet, very compact. These are suitable for low power data modes or CW but struggle on SSB – many operators are looking for a step up with a linear amplifier. 2, 06/2019 NXP Semiconductors Technical Data 1. No tuning, no fuss, no worries - just turn on and operate includes AC power supply, 600 Watts output, continuous 1. This is considered acceptable practice and most likely produces an amplifier that is more rugged than usual. Narre Warren North, Vic 3804 Australia MRF101-150W-HF-Broadband-Amplifier. Skip to Main Content +49 (0)89 520 462 110 Sep 26, 2017 · HF/6m amplifier MRF300 NXP LDMOS 1000W HV/6m 1. board size: 100x130mm board is assembled as in photos. Device test jig. 4 days ago · NXP MRF300 Reference Circuits support the MRF300AN RF power LDMOS transistors by sharing the same PCB layout. MRF300AN. The devices are extremely rugged and exhibit high performance up to 250 MHz. 8-30MHz HF Power Amplifier HF RF Amplifier Board SSB HF Amp Board for Shortwave Radio DIY - Transistors, MRF300AN and MRF300BN, are recommended. power supply 48-54v. This May 7, 2024 · Hardrock 500 Power Amplifier Support Kit. Save mrf300an to get e-mail alerts and updates on your eBay Feed. 6 MHz (160 through 15 meters**). This amplifier requires Low Pass Filters at its output to meet FCC requirements. pdf file named MRF300AN/BN_1p8_150MHz_PDF. 8–250 MHz, 300 W CW, 50 V WIDEBAND RF POWER LDMOS TRANSISTORS TO--247--3 MRF300BN TO--247--3 MRF300AN G S D MRF300AN MRF300BN Note: Exposed backside of the package also serves as a source terminal for the Jun 3, 2024 · Ameritron HF Power Amplifiers AL-811XCE. Can use also MHT1803A & MHT1803B as alternative. htmlIntroduction:The modules like BGY33, BGY35, BGY36 are two stage amplifiers present in package SOT132B Apr 29, 2024 · RF Amplifiers - Low / Medium Power; RF Discrete Components – Low Power; Control Circuits; MRF300AN 13. €57. 2m band vhf 143-148 mhz . Board size: 130x100mm Feb 16, 2021 · https://www. 0. 8-55mhzpower supply:48-53. Output power 50-54 MHz 500W. from $139. Feb 17, 2016 · That helps with amplifier stability on the higher frequencies. 8 to 500 MHz. board size: 130x100mm Feb 9, 2020 · Due to the introduction of these products, NXP announced in May 2019 a competition called “Homebrew RF Design Challenge”. 5VBIAS: 400mA totalBAND: 160-6mMETER: Bird 43 2,5KW element (2500H)B 300 W PA using a MRF300AN transistor by EX8MLE The power amplifier is designed to be used in amateur radio stations of 70 MHz band. Rated 5. I am currently working on an amplifier for the 71. Ham Radio Kits and Products Sep 26, 2017 · HV/6m 1. The MRF300AN LDMOS transistor operates at 360W CW power (26. Get special offers, deals, discounts & fast delivery options on international shipping with every purchase on Ubuy Nepal. -. TITTLE: MRF300 LDMOS HF LINEAR AMPLIFIER 600W 160-6m BOARD. 8-250 MHz, 50 V. 2023-05-31. 100 W CW over 1. Roll over image to zoom in. dxworld-e. 25-1W IN, 52 W OUT, 420-450 MHz. For example, efficiency of NXP MRF300AN 13. Part/12NC PbFree Mar 9, 2020 · Stay tuned! Introducing Jim Veatch, first place winner of the challenge who created a MRF101AN broadband HF amplifier design and Razvan Fatu, second place winner who used an MRF300AN RF transistor to build a linear amplifier. 10W Class A LDMOS Amplifier 1. These devices, MRF300AN and MRF300BN, are designed for use in HF and VHF communications, industrial, scientific and medical (ISM) and broadcast and aerospace applications. Data Sheet. $539. 8 – 250 MHz. 8-30 MHz 1000W. Both MLA100 and MLA100V HF Amplifiers require 13. 8–250 MHz, 300 W CW, 50 V WIDEBAND RF POWER LDMOS TRANSISTORS TO--247--3 MRF300BN TO--247--3 MRF300AN G S D MRF300AN MRF300BN Note: Exposed backside of the package also serves as a source terminal for the The design of the Prometheus is the result of over 10,000 hours of research and development, encompassing hundreds of hours of mathematical analysis, computer simulation and modeling, and numerous prototypes and experiments spanning over a five year period. 5v 14aefficiency up to 80%class ab push pullcan work all modes non stop digital / ssb /cw / fm /am e. 6cm thus 38. Additionally, they can be used in HF and VHF communications, as well as radio and VHF TV broadcasting. QUICK VIEW1KW HF/6M LDMOS Amplifier Kit. Estimated Ship Date: Nov 19, 2024 if ordered today. The MRF300AN and MRF300BN RF transistors from NXP Semiconductors are designed for use in high VSWR industrial, scientific, and medical applications. Size 75 x 100 x 40 (h) mm. price 250,00 HF and VHF communications Switch mode power supplies Document Number: MRF300AN Rev. 8-54 MHZ Amplifier deck. Part Number: AME-AL-811XCE. Description. 2. MRF300AN NXP MRF300 RF Power LDMOS Transistors feature unmatched input and output which allows for wide frequency range operation from 1. $199. May 21, 2024 · NXP MRF300 Reference Circuits support the MRF300AN RF power LDMOS transistors by sharing the same PCB layout. The MRF101AN 100W RF power LDMOS transistor is Jan 28, 2022 · Recent Articles: 2KW MHT1803 LDMOS Amplifier Build. What you mention is critical when using this part to replace another. Output is currently lower on 160m, 80m, and 10m. The amplifier achieves over 500W of output power with 22dB of gain and harmonics down by over 60dB. Razvan M0HZH created a little power amplifier with two of these mosfets which put out around 600 watt with 4. Report comment Reply Jul 27, 2020 · HF/6m 600W LINEAR AMPLIFIER BOARDMRF300AN / MRF300BNRF INPUT: 0-12WRF OUTPUT: 0-600WFREQ: 1. 95 DigiKey Part Number. 8MHz to 250MHz. Mode - CW, SSB, FT8, RTTY, EME, FM ect. Just will need to set bias for 250mA each ldmos (total 500mA). NXP's MRF101AN reference circuits are ease of use solutions designed to accelerate prototyping for faster time to market. The use of high-linear transistors also allowed to obtain IMD3 -30 dbC. Mar 23, 2020 · Re: Input and output impedance of a push pull amplifier using MRF300AN, MRF300BN « Reply #3 on: March 23, 2020, 11:03:21 pm » RF MOSFETs usually have the case as the source rather than the drain, and so the transistors can be connected directly to a heatsink below and the heatsink can be grounded. CAN WORK ALL MODES NON STOP. GET TO KNOW THE MRF300AN KIT MRF300AN Custom Baseplate 3” x 2” PCB MRF300AN RF Power LDMOS Transistor, 300 W CW over 1. on the new NXP MRF300AN plastic LDMOS power transistor. comCan use also ldmos MHT1803A & MHT1803B as alternative. 8-250 MHz, 50 V datasheet, inventory & pricing. It provides a cost-effective power solution for amateur radio operators, with a cost of around $100 and 1W of output power costing mrf300an & mrf300bn linear amplifier 500w board v2. D-3010-N, UHF AMP,30W IN-100W OUT,430-450 MHz. Dear NXP, we are an Italian company that deals with the production of electronic circuits. 8-250 MHz, 50 V Wideband RF Power LDMOS Transistor. efficiency up to 80%. These high ruggedness transistors are suitable for high VSWR . QRP for HF is now popular – rigs such as the Yaesu FT818 or low power SDR transceivers are readily available. This build nominally provides 150W on 40m through 12m. 8 Vdc at 20 A maximum, and feature a rear panel 20A ATC fuse and DC power quick connector. more in Jan 17, 2021 · MRF300 push pull hf design. Band. View Details. Manufacturer. The process of switching the transmission in the amplifier allows the TIANBO relay a switching time of 30ms. ( 935369813174) 400W HF Amplifier Munin 400 uses a pair of MRF300AN/ MRF300BN LDMOS Transistors from NXP. mrf300 ldmos 600w hf/6m linear amplifier 160-6m mrf300 included v2. May 15, 2024 · Item description from the seller. We intend to produce RF amplifiers in 2021, and we have decided to use your LDMOS MRF300 in TO-247 package. MRF300 NXP USA Inc. You connect your coax cable where the transmission line (blue coax) of the output 1:1 current balun ends. View on Amazon. 5KW. NXP’s RF Circuit Collection is a comprehensive library of RF power amplifier designs, addressing a wide range of fast-growing markets from smart industrial applications to the 5G revolution. MRF300AN-144MHZ. Oct 6, 2021 · Amplifier board for FM broadcasting. 48V 8,2A3W in for 320W outmusic by Oleg Shteker (Cerrone cover) QUICK VIEW10W Class A LDMOS Amplifier 1. $1,999. LDMOS MRF300 DEVICES NOT INCLUDED. 8-54 MHz amplifier deck”. The item "MRF300 linear amplifier HF 1. Diperlukan power supply sekitar 50 Volt agar mosfet bekerja dengan baik. However, being a new 50 volt device, most applications will be in new designs. 8-54 MHz power amplifier with copper plate for digital mode. MRF300AN NXP Semiconductors RF MOSFET Transistors RF Power LDMOS Transistor, 300 W CW over 1. Transistors are mounted on a regular thermal interface (the simplest thermal pa Aug 31, 2023 · Turn the board 180° around and make a picture so the output balun can be seen. The end result is the part is making very close to its rated output power even on 12 volts. 95 Mirage. EFFICIENCY UP TO 80%. 4. In this regard, we ask you to send us reference diagrams for the push pull configuration, and the The MiniPA Linear amplifier for HF – in practice. Peak Package Body Temperature (PPT) (C°) Maximum Time at Peak Temperatures (s) Lead Free Soldering. QUICK VIEW2KW 1. 8-250 MHz 50V TO-247-3 . 0-can use also 2xmht1803a & 2xmht1803b as alternative. RF INPUT: 0-8W MAX. 8 54 MHz 450W LDMOS digital mode FM FT8" is in sale since Aug 22, 2018 · NXP’s qualified RF LDMOS come in industry standard packages of TO-247 and TO-220. 600w hf/6m linear amplifier board v2. Continuous mode. S. 8–250 MHz, 100 W CW, 50 V WIDEBAND RF POWER LDMOS TRANSISTORS MRF101AN MRF101BN TO--220--3 MRF101BN TO--220--3 MRF101AN G S D D SG Note: Exposed backside of the package and tab also serves as a source terminal for Aug 31, 2023 · 600W 1. Not Yet Reviewed. 25 / Ounce) Price updated at 05/22/2024 21:24. FM non stop. M. 568-MRF300AN-144MHZ-ND. The circuit is based around the MRF300 LDMOS, it has about 30dB gain and excellent linearity. Bumped on an interesting article the other day: a cheap power amplifier with two MRF300AN LDmosfets from NXP. 2. The Board requires less than 10mw drive for 10w output with less than -45dBc IM3 products. class ab. You can operate these amps on all modes. Active. These high ruggedness RF Power LDMOS Transistors from NXP are designed for use in high VSWR industrial, scientific and medical applications, as well as radio and VHF TV broadcast, sub--GHz aerospace and mobile radio applications. The rated power of each MRF300 transistor is 300 watts. all modes - cw, ssb, ft8, rtty, eme, fm ect. You can add 10 and 12 meter operation instructions with proof of a valid FCC Amateur Radio license. In November 2019, the results were announced – the first place went to Jim WA2EUJ for the solution “An MRF101AN broadband amplifier design with 1 W input, 100 W output, 1. 1dB gain) when the reference circuit board frequency is 27MHz. 8-54MHzPOWER SUPPLY: 48-54V 14AEFFICIENCY 80%ALL MODESCAN WORK AL 1200w hf/6m linear amplifier board for 2xmrf300an & 2xmrf300bn ldmos v2. MRF300AN – RF Mosfet 50 V 27MHz ~ 250MHz 28dB 300W TO-247 from NXP USA Inc. DX WORLD ELECTRONICS. Its unmatched input and output design allows for wide frequency range use from 1. . BOARD SIZE:100x70 & 100x38mm. NXP USA Inc. $449. 1cm x 7. 600W HF/6M AMPLIFIER BOARD V2. The MRF300 produces about 300 watts @ 50V and operates broadband from 1. 1, 05/2019 NXP Semiconductors Technical Data 1. Pricing and Availability on millions of electronic components from Digi-Key Electronics. 8 MHz to 250 MHz – according to the datasheet. net/itm/p/1543443. 73. Contact support, your local sales representative or an NXP Authorized Distributor for product availability. 160-6M BAND. F. c. Over 400 RF power amplifier designs, addressing a wide range of expanding markets from smart industrial applications to the 5G revolution. Prize: $3,000 cash award + $1,000 certificate for NXP RF Samples. 2024-05-17. ( 1 customer review) HF/6m Linear LDMOS Amplifier Kits has information about the latest version of this kit. 8 - 54Mhz Directional Coupler SWR Bridge. QUICK VIEW1. Nov 21, 2019 · MRF300AN/BN for F. NXP MRF300 LDMOS transistors offer two opposite pin-connection versions (A and B) to be used in a push-pull and two-up configuration for wideband performance. High Ruggedness N--Channel Enhancement--Mode Lateral MOSFETs. These reference circuits enable RF designers to generate power amplifiers for frequencies of up to 250MHz. $799. These devices, MRF101AN and MRF101BN, are designed for use in HF and VHF communications, industrial, scientific and medical (ISM) and broadcast and aerospace applications. Special Order. utsource. 260. Mosfet ini cukup bandel menghadapi SWR tinggi, tetapi sangat rawan terhadap level input. Onboard sensors for supply voltage, instantaneous current draw, heatsink temperature, forward and reflected RF power, drive HF and VHF communications Switch mode power supplies Document Number: MRF101AN Rev. Transistors are mounted on a regular thermal interface (the simplest thermal pa The MLA100 is a clean and capable standard solid state linear amplifier using two robust Mitsubishi RD1000HHF1 MOSFETs built into a massive, chassis-sized heatsink. 5v 35aefficiency up to 80%class ab push pull can work all modes non stop digital / ssb /cw / fm /am e. 95 Details. rf input:0-8w max. jq qr wn lj bo ny gd bk dy vi