Multistage Transistor Amplifiers – 1

1. The decibel gain of a cascaded amplifier equals the :

(a) product of individual gains
(b) sum of individual gains
(c) ratio of stage gains
(d) product of voltage and current gains

Answer

Answer : (b)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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BJT Amplifiers - 35
555555555535. The total gain of a multistage amplifier is the ________. (a) sum of individual voltage gains (b) sum (c) (d)
Tags: sum, amplifiers, gain, multistage, amplifier, individual, voltage, gains, electronics, engineering
Multistage Transistor Amplifiers - 2
Multistage Transistor Amplifiers » Exercise - 12. If two stages of a cascaded amplifier have decibel gains of 60 and 30, then overall gain is ..................... dB. (a) 90 (b) 1800 (c) 2 (d) 0.5
Tags: multistage, transistor, amplifiers, exercise, cascaded, amplifier, decibel, gains, gain, electronics
Basic Op Amp Applications - 47
555555555547. When a number of stages are connected in series, the overall gain is the ________ of the individual stage gains. (a) sum (b) product (c) difference (d) average
Tags: individual, product, sum, gains, stage, gain, electronics, engineering
Amplifiers - 45
Amplifiers » Exercise - 145. If the voltage gain of an amplifier without feedback is 20 and with negative voltage feedback it is 12, then feedback fraction is ........ (a) 5/3 (b) 3/5 (c) 1/5 (d) 0.033
Tags: amplifiers, voltage, exercise, gain, amplifier, electronics, engineering
BJT Amplifiers - 49
555555555549. What is the range of the current gain for BJT transistor amplifiers? (a) less than 1 (b) 1 to 100 (c) above 100 (d) All of the above
Tags: amplifiers, current, gain, transistor, electronics, engineering

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