

Bipolar Junction Transistors (BJT) - Technical MCQs
Q1: Often a common-collector will be the last stage before the load; the main function(s) of this stage is to:A provide voltage gain
B provide phase inversion
C provide a high-frequency path to improve the frequency response
D buffer the voltage amplifiers from the low-resistance load and provide impedance matching for maximum power transfer
ANS:D - buffer the voltage amplifiers from the low-resistance load and provide impedance matching for maximum power transfer The low output impedance allows a source with a large output impedance to drive a small load impedance; it functions as a voltage buffer. |


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