RS-928 150W HF Power Amplifier 0.5-30Mhz Half Duplex for FM AM SSB CW FT8 SDR IC705 Transceivers
Aliexpress UK
Output Power: 140W AM/FM 250W SSB. The KL 300 P is a 12V linear amplifier for use in the HF frequency range, with a drive power of 1 to 10W in FM/AM mode, and 2.0 – 20W in SSB mode. Weight: 605gr. Size: 109 x 225 x 35mm.
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RS-928 150W HF Power Amplifier 0.5-30Mhz Half Duplex for FM AM SSB CW FT8 SDR RS978 Transceivers
Aliexpress UK
NOTE - THIS ITEM IS SOLD AS SPARES OR REPAIR. The RF transistors suggest the amplifier was UHF.
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RF OUTPUT 1 output has to be used for direct connection to ACOM antenna tuners 04AT or 06AT only. The ACOM 500S amplifier uses a rugged LDMOS transistor. RF OUTPUT 2 output has to be used for direct connection to antenna or to non ACOM antenna tuner.
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The KL 703 is a 12V linear amplifier for use in the 25 – 30 MHz frequency range, with a drive power of 1 to 35 W in all modes. Mode: AM – FM – SSB – CW. Output Power: 500W max. Input Current: 50A max.
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HF linear amplifier. Functionality of transmission and full operation unverified. Operates on standard AC power.
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The MLA 100 is a 100W 12V amplifier perfectly suited for QRP radios with a transmit power of 5W. With a drive power of 5W, the amplifier achieves an output power of 100W on the bands from 160 to 10m, and with 8W drive 80W output on 6m.
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The LA-250 is a 200W 140-150MHz amplifier, at 1 to 20W input (13.6V 30A). It uses 4 Mitsubishi RD70 Mosfets mounted on a copper heat spreader. Output RF Power (Nominal): 30 - 210 W ; 200W max AM/FM/CW.
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Tested with FT655. There is no overdrive, so I think it is stable. I have previously had the relay to the receiving preamp replaced with a new one during repairs. The product is old but valuable. We are really glad to have a deal with people all over the world.
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