Unlike the previous circuit, the output of this one goes high in the window voltage range. The circuit is from Radio Electronics from June 1986 and is based on the CA3140.
August 2017 - MCUs of the new Infineon MC1400 series for industrial use can now be purchased from...
In this circuit, the output voltage is Vxx plus the zener voltage. The circuit is from the SGS...
This circuit can be used in traffic alarm systems. The relay trips when the light falling on the...