15. Which of the low-frequency cutoffs determined by CS, CC, or CE will be the predominant factor in determining the low-frequency response for the complete system?
(a) lowest (b) middle (c) highest (d) None of the above
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
555555555520. An amplifier rated at 30-W output is connected to a 5- speaker. Calculate the input power required for full power output if the power gain is 20 dB. (a) 3 mW (b) 30 mW (c) 300 mW (d) 3 W
Tags: power, mw, output, bjt, input, db, gain, amplifier, response, frequency
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
555555555526. 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.
555555555518. In the input RC circuit of a single-stage BJT, by how much does the base voltage lead the input voltage for frequencies much larger than the cutoff frequency in the low-frequency region? (a) About 0º (b) 45º (c) About 90º (d) None of the above
555555555541. The input power to a device is 10,000 W at 1000 V. The output power is 500 W, and the output impedance is 100 . Find the voltage gain in decibels. (a) –30.01 dB (b) –20.0 dB (c) –13.01 dB (d) –3.01 dB