Phototransistor Circuit Example
August 13, 2016

Phototransistors are used in a variety of applications. A light-operated relay circuit is shown in below Figure (a). The phototransistor Q1...
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Phototransistor Working Principle
August 13, 2016

A phototransistor is similar to a regular BJT except that the base current is produced and controlled by light instead of...
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