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Front Panel Design
Components
40 m Band Superhet Receiver
40 m Band Direct Conversion Receiver
40 m Band Receiver without ICs
Tx/Rx Control Circuit
Some useful Tables
13.8 V / 15 A from a PC power supply
250 W S.M.P.S. with power FETs
Power Supply for small Tube Amplifiers
Calculating SWR meter
Thermal Power Meter
Analogue Frequency Display
Selective AF Amplifier
Simple IF Amplifier and Filter
QRP push-pull RF amplifier
30 m Band Direct Conversion Receiver
80 m Band Direct Conversion Receiver
30 m Band QRP Transceiver
AGC and S- Meter
Oscillators
Sidetone Circuits
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