Darlington Pair Transistor Configuration

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 is the schematic diagram of the circuit: The high amplification of this circuit due to the a change in base […]

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Power Failure Detection Trigger Memory Saving

Sometimes the power goes down and we unable to save memory content. When the power goer down, the memory save circuit can be used to save memory content. This is a very useful circuit because the AC line dropout detection is not worthy. The difference of dropout voltage from two regulators is a basic of this circuit. This circuit uses […]

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