Found in the CQ radio amateur magazine, this circuit generates a standard 100 kHz signal. The circuit is from 1965 and can be made with modern equivalent transistors.
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...