This unijunction programmable transistor circuit was found in the December 1968 issue of Radio Electronics magazine. The circuit is a half-wave control for incandescent lamps only.
The circuit shown in Figure bellow generates frequencies of 50 Hz, 100 Hz, and 200 Hz. The circuit uses a...
This circuit rejects frequencies around 1 kHz and can be adjusted using C1. Equivalent operational...
From stereo inputs, this circuit generates a modulated and multiplexed signal to be transmitted in the FM...