This circuit was found in a 1980s documentation for amateur radio. The circuit makes use of components of the era, but modern equivalents can be used.
The previous circuit (CB15629E) can be changed to generate a sawtooth signal synchronized...
This circuit uses an operational amplifier to modulate the light emitted by an LED with audio...
This amplifier operates with a current amplifier for audio distribution lines. The power MOSFET can...