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 a publication in the 1950s, mainly applying to germanium transistors of the...
This simple 3-channel passive mixer can be used with low-intensity signal sources but requires...
We find this circuit in a 1974 Motorola PUTs (Unijunction Programmable Transistors) documentation. The circuit...