This medium power circuit is from an English publication from 1989. The integrated circuits are of types that are still obtainable. The power supply must source at least 2A.
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This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time...
Found in the September 1992 issue of Radio Electronics magazine. This circuit generates pulses that...
This blocking oscillator circuit was found in a Radio Electronics from November 1963. The...