DSB Transmitter for 80 meter
|I have designed a double sideband transmitter. DSB.
There I use 5 radio tubes and a modern SI5351 oscillator.
|Here is the finished transmitter
together with the receiver R-390A.
The microphone is an old crystal microphone.
Here we see the test signal. A triangle signal is sent
in at the microphone input and a DSB signal comes out.
Here is my video.
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