This circuit was found in a Motorola manual from 1968. As it can be obtained 20 V at 15 kHz from 120 V x 60 Hz. The components are of the time.
This is the receiver from the previous alarm system. The circuit is from Radio Electronics, April...
The idea of this 1982 Experimenters Handbook circuit is to generate an RF signal in L2 that can be...
This circuit uses a capacitor to store energy. The capacitor is charged by closing S1 by a moment. Them,...