21. Nota
22. An RC network has values of R = 1.2 k and C = 0.22 F. Find fc.
(a) 3.79 kHz
(b) 1.89 kHz
(c) 603 Hz
(d) 60 Hz
23. Nota
24. Nota
25. An amplifier has an output voltage of 7.6 V p-p at the midpoint of the frequency range. What is the output at fc?
(a) 3.8 V p-p
(b) 3.8 Vrms
(c) 5.4 Vrms
(d) 5.4 V p-p
Related Posts
555555555514. What term means that the midrange voltage gain is assigned a value of 1 (or 0 dB)? (a) critical (b) Miller (c) normalized (d) corner- 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.
- 55555555551. Doubling the voltage gain causes a ________ dB ________. (a) 10, increase (b) 6, increase (c) 10, decrease (d) 6, decrease
- 555555555513. It is often convenient in amplifiers to assign a certain value of gain as the ________ dB reference. (a) 0 (b) 1 (c) 6 (d) 10[E]. 20
- 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