This game was found in Radio Electronics from the 90s. The components used are common except some that are from that time and that can no longer be found easily.
This circuit was found in the June 1990 issue of Radio Electronics magazine. Integrated circuits must...
The figure shows an application of the LM377 in a small inverting stereo amplifier with output...
This is a possible circuit for the receiver of the previous circuit. Other circuits can be found...