Power Amplifiers » Exercise – 1
(a) (b) (c) (d)
(a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) Related Posts
555555555526. The maximum efficiency of a class B amplifier is ________ percent. (a) 50 (b) 25 (c) 70 (d) 79- 555555555597. The beta of a power transistor is generally ________. (a) more than 200 (b) 100 to 200 (c) less than 100 (d) 0
- Amplifiers » Exercise - 120. The value of negative feedback fraction is always .......... (a) less than 1 (b) more than 1 (c) equal to 1 (d) none of the above
- 555555555527. The class ________ amplifier is biased below cutoff. (a) A (b) AB (c) B (d) C
- 555555555518. Class D operation can achieve power efficiency of over ________. (a) 90% (b) 78.5% (c) 50% (d) 25%