Medium impedance stage (CB20563E)

We found this circuit in an English publication from 1963. The circuit uses germanium transistors of the time.

Product detector (CB9684E)
Found in Motorola documentation from the 1980s, this circuit employs an integrated device from...
Regenerative MW Receiver (CB18287E)
This simple regenerative receiver for the medium wave range is from a 1956 Sylvania publication. Details...
DC motor proportional control (CB7283E)
This bidirectional motor control was found in an 80's Electronic Engineering. The circuit uses a...