This circuit is from a 1980's documentation for telecommunications. The circuit is used in SSB and the diodes must be suitable types for the application. The audio input is low impedance.
This circuit was found in an Elektor from the 90s. It is a circuit that generates different types of...
We found this circuit in a 1988 publication. A touch of the sensor causes the relay to trip and...
The circuit presented was found in the National Semiconductor Linear Applications Handbook. The...