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 80's General Electric documentation. The circuit uses components from the...
This oscillator can be used as a signal generator in a workshop, generating sinusoidal signals from...
This circuit is from a 1970 General Electric documentation. It can be found with variations on this...