This Star Trek red alert circuit was found in the July 1990 issue of Radio Electronics magazine. The power transistor must be equipped with a heat sink.
This circuit synthesizes a sinusoidal signal from logic pulses that can be obtained from an...
This circuit was found in a 1966 EEE. Transistors support modern equivalents and the waveforms are...
This circuit was found in Radio Electronics from the 90s. The transistor is for general use. The...