Dimmer circuits are always very popular. The twin dimmer offers two independent controls in one unit. A type S576 provides control of each section of the circuit. S576 is an […]
Zero Crossing Detector Circuit
Many complex circuits and integrated circuits contain zero crossing detectors, but we will deal only with the detector here. The detector produces a pulse each time the mains voltage goes […]
220V Touch Dimmer Switch Circuit with 4 Step Control
The proposed 4 step touch dimmer circuit can be used for dimming lights in 4 discrete steps using finger touch operations, and also fan seed can be switched up down […]
Designing a IC 723 Power Supply with Variable Voltage and Current
The article provides tips and design considerations regarding building a well optimized IC 723 regulated power supply circuit. IC L146 is the improved version of IC 723 which can be […]
Two Transistor Voltage Doubler Circuit
The following small circuit will create a DC output that may be nearly 2 times the supply voltage. A square wave input is necessary of adequate amount to switch T1 […]
TL783 High-voltage Adjustable Regulator
The IC TL783 is a 3 terminal high voltage regulator that can be used for getting a continuously variable output between 1.25 V to 125 V DC. The device has […]