Amplifier Frequency Response-26

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26. An amplifier has an input signal voltage of 0.054 mV. The output voltage is 12.5 V. The voltage gain in dB is

(a) 53.6 dB.
(b) 107.3 dB.
(c) 231 dB.
(d) 116 dB.

Answer

Answer : (b)

Explanation

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

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Amplifier Frequency Response-1
55555555551. Doubling the voltage gain causes a ________ dB ________. (a) 10, increase (b) 6, increase (c) 10, decrease (d) 6, decrease
Tags: amplifier, frequency, response, voltage, gain, db, electronics, engineering
BJT and FET Frequency Response - 25
555555555525. An amplifier rated at 30-W output is connected to a 5- speaker. Calculate the input voltage for the rated output if the amplifier voltage gain is 20 dB. (a) 1.225 mV (b) 12.25 mV (c) 122.5 mV (d) 1.225 V
Tags: mv, amplifier, output, voltage, frequency, response, input, gain, db, electronics
BJT - 14
555555555514. A transistor amplifier has a voltage gain of 100. If the input voltage is 75 mV, the output voltage is: (a) 1.33 V (b) 7.5 V (c) 13.3 V (d) 15 V
Tags: voltage, amplifier, gain, input, mv, output, electronics, engineering
Active and Passive Filters - 59
5555555555 59. At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is ________. (a) 6.02 dB (b) –6.02 dB (c) 12.04 dB (d) –12.04 dB
Tags: db, voltage, frequency, output, input, electronics, engineering
BJT and FET Frequency Response - 57
555555555557. Voltage gains of ________ dB or higher should immediately be recognized as being quite high. (a) 3 (b) 6 (c) 20 (d) 50
Tags: frequency, response, voltage, db, electronics, engineering

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