GATE EC 2014 Set 3 — Question 47
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Analog Circuits → BJT → Biasing & DC Operating Point
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Question
In the circuit shown, the silicon BJT has . Assume and . Which one of the following statements is correct?
Correct answer
(B) For R_C = 3 kΩ, the BJT operates in the saturation region
Solution
1.Calculate the base current :
.2.Calculate the maximum possible collector current in the active region :
.3.Determine the collector current at saturation for a given :
.4.Condition for saturation is :
.- For (), the BJT is in the active/linear region. (Option A is wrong)
- For (), the BJT is in the saturation region. (Option B is correct)
- For (), the BJT is in the saturation region. (Options C and D are wrong).
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