This circuit was found in the August 1997 Electronics Now magazine. The circuit uses well-known operational codes and generates signals up to 20 kHz.
The digital target shot shown in the figures (weapon and target) was found in a 1992 documentation but can...
This amplified speaker is from a Radio Electronics from September 1988. The power integrated...
The transistors used in this 1985 Radio Electronics circuit are for general use. The gain pot can...