Transistor amplifier analysis by sequential steps

Q.  Consider the assertions given below.

A. Replacement of each coupling and bypass capacitors by a short circuit
B. Replacement of transistor by its hybrid equivalent model for further analysis
C. Replacement of DC voltage sources by a short circuit

Which is the correct sequential order of steps to be carried out for analysis of a transistor amplifier circuit?

- Published on 24 Sep 15

a. A, B, C
b. B, A, C
c. A, C, B
d. C, A, B

ANSWER: C, A, B
 

    Discussion

  • Satyawati   -Posted on 29 Sep 15
    It is essential to follow executable steps sequentially for the precise analysis of a transistor amplifier circuits. These sequential steps are also beneficial for small signal analysis of different circuit configuration. They include –

    1. Initially, the DC voltage sources are replaced by a short circuit.

    2. Next to it, all the coupling as well as bypass capacitors must be replaced by a short circuit.

    3. Eventually, the transistor should be replaced by its hybrid equivalent model or re model or hybrid π model and then should be proceeded for further analysis.

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