mcHF QRP Transceiver Project

Photo by M0NKA The original idea was born two years ago when I got really interested in the 70Mhz band and found out that I had to homebrew something as commercial gear at that time was not available. My choice was Softrock Ensemble and OZ2M transverter. The extra part was a bulky and power hungry…

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TAJFUN-1000 VHF PA

TAJFUN 1000 is small, lightweight but robus LDMOS Power Amplifier. Specifications: Freqency Coverage: 142-146 MHz (Available versions for 50-70432 and 1296 MHz) Operating Mode: FM, CW, SSB, DIGI Output Power: 1000W Input Power: 8-9W (inside 3dB hybrid attenuator) Power supply inside: 48VDC / 1800W Suppression of harmonics: <= 75dBc LowPass Filter Working temperature: 0-45 °C,…

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