We found this circuit in the April 1978 issue of Radio Electronics magazine. The power supply must be symmetrical, and the maximum recommended frequency is around 10MHz.
This circuit can be installed inside a toy space gun to produce a “Phaser” effect. The circuit is from...
This circuit was found in a 1988 publication. The circuit is an alarm with interrupt sensors that...
The frequency in this circuit is adjusted by P1 and given by C1. Short pulses, as the ones...