engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Analog Electronics Bipolar Junction Transistors Biasing of Transistors
Coupling capacitors are used in amplifier circuits to
1
allow AC and DC voltages to be applied to the transistor without affecting each other
2
increase coupling between the input and output AC signals
3
couple the base and collector currents of the transistor
4
increase the DC voltage gain