Electronics - Bipolar Junction Transistors (BJT) - Discussion
Discussion Forum : Bipolar Junction Transistors (BJT) - Filling the Blanks (Q.No. 1)
1.
The input resistance of the base of an emitter-follower is usually _________.
Discussion:
2 comments Page 1 of 1.
Rifat said:
1 decade ago
Because the base current is in microamperes which results to a minute voltage drop across base Resistor.
Sailaja said:
1 decade ago
Common collector is also called Emitter follower.
So common collector has high input resistance and low output resistance. This is used for Impedance matching.
So common collector has high input resistance and low output resistance. This is used for Impedance matching.
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