Basic Audio Mixer Using Op-Amp

Audio mixer is used to mix several audio signal from many channel into one channel, in analog form. The basic requirement of an audio mixer is that the mixed signal is a product of simple addition. When connected to several source, each source should not interfere each other on each input line. If each sources has various DC offset level, […]

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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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