This circuit is from the 1990 Motorola Data Databook. The circuit can be implemented with equivalent transistors. The power supply must be symmetrical.
The two circuits shown show how to obtain an SSB / CW control for receiving this signal top at a...
This circuit is from an 80's American documentation. The circuit uses components of the time which...
This circuit is from a 1977 documentation. It is powered by the power supply of the circuit under...