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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Frequency Response of CS Amplifier

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Beginner

Intermediate

Advanced

1. A common source amplifier has.

a: Low Input Impedance Explanation

Explanation

b: No Gate resistance Explanation

Explanation

c: No Drain resistance Explanation

Explanation

d: No source resistance Explanation

Explanation

2. An amplifier is designed using fixed bias configuration, what is its output impedance?

a: RD + rd Explanation

Explanation

b: RD || rd Explanation

Explanation

c: RG Explanation

Explanation

d: 0 Explanation

Explanation

3. Which of the following is true about the common source amplifier?

a: It has low input impedance Explanation

Explanation

b: Phase reversal voltage output Explanation

Explanation

c: Infinite gain Explanation

Explanation

d: It has high output impedance Explanation

Explanation

4. What are the small signal FET parameter?

a: gm and rds Explanation

Explanation

b: gm and vgs Explanation

Explanation

c: vds and rds Explanation

Explanation

d: gm Explanation

Explanation

5. Given for an FET, gm = - 9 .5 m A /volt, total capacitance = 500 pF. For a voltage gain of -30, the bandwidth will be

a: 630 Explanation

Explanation

b: 3 Explanation

Explanation

c: 100 Explanation

Explanation

d: 19 Explanation

Explanation

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