Multistage Amplifier Quiz

What is the primary purpose of a coupling capacitor in a BJT multistage amplifier?

• To provide negative feedback
• To block DC bias between stages and pass AC signal
• To increase voltage gain
• To improve power efficiency

Which BJT multistage configuration provides the highest voltage gain?

• Common Emitter (CE)
• Common Base (CB)
• Common Collector (CC)
• Darlington pair

In a BJT multistage amplifier, which configuration provides a voltage follower with high input impedance?

• Common Emitter (CE)
• Common Base (CB)
• Common Collector (CC)
• Emitter Follower (EF)

The cascode amplifier is a combination of which two BJT configurations?

• CE and CB
• CB and CC
• CE and CC
• CS and CD

What is the primary purpose of a coupling capacitor in a MOSFET multistage amplifier?

• To provide negative feedback
• To block DC bias between stages and pass AC signal
• To increase voltage gain
• To improve power efficiency

Which MOSFET multistage configuration provides the highest voltage gain?

• Common Source (CS)
• Common Gate (CG)
• Common Drain (CD)
• Source Follower (SF)

In a MOSFET multistage amplifier, which configuration provides a voltage follower with high input impedance?

• Common Source (CS)
• Common Gate (CG)
• Common Drain (CD)
• Gate Follower (GF)

The cascade amplifier combines which two MOSFET configurations?

• CS and CG
• CG and CD
• CS and CD
• SF and GF

The main advantage of using multistage amplifiers is to:

• Increase power consumption
• Decrease voltage gain
• Improve overall performance and gain
• Decrease bandwidth

The purpose of biasing in multistage amplifiers is to:

• Block AC signal
• Ensure proper DC operating points for transistors
• Decrease input impedance
• Increase distortion