This circuit provides a high intensity pulsating signal to a speaker. The circuit is from an American 90's documentation. The power supply is 12 V.
Suggested by American documentation from the 90s, this circuit has separate controls for the...
We found this circuit in a 1977 CMOS oscillators documentation. The power can be sourced with...
This filter, which rejects frequencies around 1 kHz, was found in the August 1993 Electronics Now...