Receiver and transmitter circuit design and testing
Assorted videos on the design and testing of receivers and transmitters.
Direct conversion reflex receiver concept
Anatomy of a homebrew 40m superhet receiver
Testing opposite sideband rejection of SSB receivers with an Android mobile phone
Taming a 144 MHz direct conversion receiver
Slope detecting 2 metre FM signals on an AM car radio
A QRP CW transmitter RF power amplifier chain
How much power is your antenna coupler losing?
Anatomy of a 30 watt 7 MHz CW regenerative transceiver (and a DX demonstration)
Transmitting and receiving on the right frequency with a direct conversion CW transceiver
Anatomy of a homebrew 40m superhet CW transceiver
Homebrew QRP 7 MHz SSB transceiver: circuit anatomy
Walk through an ultra-simple 7 MHz phasing SSB transceiver
More on receiver and transmitter design is contained in the following:
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