Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 11 (Q.No. 47)

Analog Electronics

47.

The approximate value of input impedance of CE amplifier with emitter resistance R_E is given by

h_ie + A_i R_E

h_ie + (1 + h_fe) R_E

h_ie

(1 + h_fe) R_E

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

1 comments Page 1 of 1.

Saurabh kumar said: 5 years ago

Answer must be B.

Because introduce emitter resistance input impedance increases (1+β) *re.

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