The sound of drums can be obtained with these two touch-triggered double-T oscillators. The circuit is from a Radio Electronics Special projects from 1993.
This 9 W amplifier with transistors from the 60's was found in documentation of the time. The...
The purpose of this 1965 Radio Electronics circuit is to observe cycloid waveforms on a standard...
In this circuit found in the December 1972 Radio Electronics magazine. R can be from 1k to 22k,...