This amplifier with gains between 5 and 100 was found in the May 1988 issue of Radio Electronics magazine. The circuit requires a symmetrical power supply.
The simple touch of the fingers on a sensor causes this circuit to drive a motor that goes into...
This simple circuit found in an American 80's documentation simply blames if there are toxic gases in...
This circuit is from Motorola's 1990 Linear Databook. The transistors allow equivalents and the...