Electronic Devices - BJT Amplifiers - Discussion

Discussion Forum : BJT Amplifiers - General Questions (Q.No. 6)
6.
Which of the following conditions must be met to allow the use of the approximate approach in a voltage-divider bias configuration?
re > 10R2
RE > 10R2
RE < 10R2
re < 10R2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Raghav dixit said:   8 years ago
re=25mv/IE
and RE=VE/IE
When re<10R2
THEN IE Became high and RE Is also GREATER
SO re<10R2
re is internal emitter resistace so re<<RE
so (d)is correct Ans and b is also approx. Right

Qweruip said:   8 years ago
Yes, it should B.

Shahid said:   9 years ago
I think option B is the correct answer.

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