Give alternative names for CC, CB and CE amplifiers.

Question Bank (2 marks) · Q4

Q. Give alternative names for CC, CB and CE amplifiers.

Karnataka PUCTextbookShort· 2mImportance★★★★★est

23% · 21/91 Questions

🔒 Locked · start free trial →

You're viewing a preview — the full solution, concept, methods & PYQ mapping are locked.

Start your 14-day free trial to unlock the full solution →

Concept understanding — Comparison of CB, CE and CC Amplifiers

The three single-stage BJT configurations are chosen for different jobs because their parameters differ sharply. They also go by alternative names: CB is the grounded-base amplifier, CE the grounded-emitter amplifier, and CC the grounded-collector amplifier or emitter follower.

Parameter	CE	CB	CC
Current gain	High ( $\beta$ )	Less than 1 ( $\alpha$ )	Highest ( $1+\beta$ )
Voltage gain	High	Moderate-High	Low ( $\approx 1$ )
Power gain	Highest	Moderate	Low
Phase shift	180	0	0
Input impedance	Moderate	Low	High
Output impedance	Moderate	High	Low
Bandwidth	Narrow	Wide	Wide

Start your 14-day free trial to unlock the full solution →

[!TLDR]

CC = emitter follower, CB = grounded base, CE = grounded emitter.

The three configurations are named after the terminal that is common to both input and output. The common-collector stage is popularly called the emitter follower because the emitter output follows the base input. The common-base and common-emitter stages are also referred to as the grounded-base and grounded-emitter amplifiers, respectively, because the …

Start your 14-day free trial to unlock the full solution →

←Previous questionQ3 — A CC amplifier does not produce any voltage gain. Explain.→Next questionQ5 — How could CE amplifier able to produce 180° phase shift?

Q.Give alternative names for CC, CB and CE amplifiers.

🎓Unlock everything free for 14 days

Unlock everything free for 14 days