This 3-digit circuit was found in the 1992 special edition of the Radio Electronics Handbook. The circuit produces a standard voltage for bench testing.
This FM transmitter was found in a 1997 magazine but can still be easily assembled. 18-wire in the...
Other operational amplifiers can be used in this conventional filter that rejects only one...
This fuzz guitar circuitry was found in an American documentation from the 80's. Transistors can be...