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2. Determine the 3 dB frequency of the current gain for the BJT circuit shown below, both with and without the effect of CM. The circuit parameters are: Rc = R₁ = 4 kQ, r = 2.6 kQ, RB = 200 kQ, C₁ =0.8pF, C₁ =0.05pF, and gm =38.5mA/V. [Hint: To find 3-dB frequency concentrate on RC time constant. Also given, CM = Cμ [1+gm(Rc||RL)] 1, RB C: CM RC RL 8mVx

2. Determine the 3 dB frequency of the current gain for the BJT circuit shown below, both with and without the effect of CM. The circuit parameters are: Rc = R₁ = 4 kQ, r = 2.6 kQ, RB = 200 kQ, C₁ =0.8pF, C₁ =0.05pF, and gm =38.5mA/V. [Hint: To find 3-dB frequency concentrate on RC time constant. Also given, CM = Cμ [1+gm(Rc||RL)] 1, RB C: CM RC RL 8mVx

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter15: Alternating Current
Section: Chapter Questions
Problem 4RQ: 4. What is frequency?
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2. Determine the 3 dB frequency of the current gain for the BJT circuit shown below, both with and without the effect of CM. The circuit parameters are: Rc = R₁ = 4 kQ, r = 2.6 kQ, RB = 200 kQ, C₁ =0.8pF, C₁ =0.05pF, and gm =38.5mA/V. [Hint: To find 3-dB frequency concentrate on RC time constant. Also given, CM = Cμ [1+gm(Rc||RL)] 1, RB C: CM RC RL 8mVx
Transcribed Image Text:2. Determine the 3 dB frequency of the current gain for the BJT circuit shown below, both with and without the effect of CM. The circuit parameters are: Rc = R₁ = 4 kQ, r = 2.6 kQ, RB = 200 kQ, C₁ =0.8pF, C₁ =0.05pF, and gm =38.5mA/V. [Hint: To find 3-dB frequency concentrate on RC time constant. Also given, CM = Cμ [1+gm(Rc||RL)] 1, RB C: CM RC RL 8mVx
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