Indicated for stereophonic sound applications, this circuit was found in the April 1983 issue of Radio Electronics magazine. The indicated circuit is the NE570, launched at the time.
This circuit is intended for monitoring an environment. It fires a relay with a sound, but only if...
This oscillator produces a modulated signal using a unijunction transistor. We found it in an...
The 723 integrated circuit is manufactured by several semiconductor companies with different...