This circuit is from 1964 documentation but can be easily implemented based on current components. Input waveforms and detection are shown next to the diagram.
This continuous wave transmitter (CW) can send signals in the 30 to 100 MHz band, depending on the...
This is one of many twin-T oscillator configurations that can be found in this section and on this...
Found in a 1980s American documentation, this circuit inhibits ignition. The circuit is valid for...