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RF Attenuator and Pre-amplifier selectable in 4 steps
1 dB (avg)
F/B ratio is 20 dB
1 to 2000 MHz
Very low RF loss and very high reliability because of vacuum isolation
Ramsey 80m (3,5 MHz) CW Transmitter Kit QRP-80 Antenna Accessories RF Attenuator and Pre-amplifier selectableRamsey kit with parts and a circuit board. Ideal for portable or travel fun VCXO design allows up to 5 KHz tuning about the crystal frequency Front panel switching of two channels and includes a crystal for 3. 579 MHz, the international QRP frequency Excellent and clean keying waveform Built in antenna T R switch Operates on 12 15 volts DC at 1 4 amp current Approximately 1 Watt RF power Clear, concise step by step instructions carefully guide you to
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