Combined Light and Dark Alarm 741 (CB25480E)

This circuit detects a light window using two operating systems. The circuit is from a July 1992 Radio Electronics.

| Clique na imagem para ampliar |

150 mA LDO with Texas Instruments TPS780 (CB12548E)
The LDO series (Low Dropout) TPS80 from Texas Instruments (www.ti.com) can provide output voltages...
Absolute Value Precision Circuit (CB19714E)
The presented circuit uses an operational one of the time. The circuit is from an 80's manual and...
CMOS Zero Crossing Detector (CB20625E)
The operation of this circuit is old, but the configuration can be elaborated based on modern...