modified 10 years ago

D-RC coupled ampifier

02:04:00

The capacitor Cc1 acts as adopter to block DC and allow only AC voltage to the transistor. R1 and R2 are used for proper biasing of bipolar transistor. They form a biasing network which provide necessary voltage in base to drive the transistor in active  region. 

Resistors Rc and Re are used to drop voltage of Vcc. Both are selected in such a way that both should drop Vcc voltage by 50%. The emitted capacitor Ce and emitter resistance Re makes a negative feedback for making the circuit operation more stable. 

published 10 years ago

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