11. Each RC circuit causes the gain to drop at a rate of ________ dB/decade.
(a) 20
(b) 10
(c) 6
(d) none of the above
12. A ten-times change in frequency is called a(n)
(a) octave.
(b) decade.
(c) decimal.
(d) none of the above
13. 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
14. 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
15. Internal transistor junction capacitances affect the high-frequency response of amplifiers by
(a) reducing the amplifier’s gain.
(b) introducing phase shift as the signal frequency increases.
(c) having no effect.
(d) reducing the amplifier’s gain and introducing phase shift as the signal frequency increases.
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