Tag Archives: Power Control

Touch-Controlled Lamp Dimmer

Posted on March 8, 2011 by Rend

This is a three-modes lamp dimmer circuit with touch control. This circuit can be used to control a lamp in 3 operation modes: dim, off, and bright. A NE555 timer is used to generate a one-second pulse when we touch … Continue reading →

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Basic Thyristor Switch

Posted on December 5, 2010 by Rend

The silicon controlled rectifier (S.C.R.) is called as the thyristor. It is like a diode, when the cathode is negative with respect to the anode, the current flowing from cathode to anode. But, the difference of thyristor and diode is … Continue reading →

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Darlington Pair Transistor Configuration

Posted on December 3, 2010 by Rend

This a circuit of The Darlington Pair, on of popular transistor circuit configurations. Sometimes, this circuit is called the super alpha pair circuit. This circuit is used as power output stage. This circuit can give amplification of 10000 times. Here … Continue reading →

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