Found in an old Xicor documentation, this circuit makes use of an X9241, which contains four digitally controlled analog potentiometers.
This circuit acts on the dynamic range of an audio signal, which can be useful for recording,...
This is the conventional application of the UCN4202 to control a 12 V stepper motor with current...
Described in the December 1969 Radio Electronics magazine, this circuit is intended to supply the...