Microelectronics quiz 3

Common source amplifier's source is connected to

• A. drain

• B. gate

• C. ground

• D. body

Overall voltage gain in multistage system is the

• A. subtraction of individual voltage gains

• B. sum of individual voltage gains

• C. division of individual voltage gains

• D. exponential of individual voltage gains

Basic purpose of multistage arrangement is to increase the amplifiers overall

• A. current gain

• B. voltage gain

• C. base resistance

• D. slew rate

The voltage gain of the MOSFET is given by:

• a) Av = -βRd

• b) Av = γRd

• c) Av = -gmRd

• d) None of the mentioned

Which of the following is true about the common Source amplifier?

• a) It has low input impedance

• b) It has high output impedance

• c) Infinite gain

• d) Phase reversal voltage output

Multistage amplifiers are also called

• Source amplifiers

• cascade amplifiers

• base amplifiers

• Darlington amplifiers

If gain is need to be stabilized, which of the following element is used for a Common source amplifier?

• a) Capacitive

• b) Inductive

• c) Resistive

• d) LC tank circuit

General representation of the frequency response curve is called

• a) Bode Plot

• b) Miller Plot

• c) Thevenin Plot

• d) Bandwidth Plot

Which of the following is true?

• a) Coupling capacitors causes the gain to fall off at high frequencies

• b) Internal capacitor of a device causes the gain to fall off at low frequencies

• c) All of the mentioned

• d) None of the mentioned

For a self bias amplifier, RS=RD, the output will be_________________

• a) Same as Input

• b) Same as input but phase reversed

• c) 0

• d) Infinite