26. Which of the following capacitors is (are) included in Ci for the high-frequency region of a BJT or FET amplifier?
27. 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?
28. In the ________-frequency region, the capacitive elements of importance are the interelectrode (between terminals) capacitances internal to the active device and the wiring capacitance between the leads of the network.
29. What is the ratio of the output power to the input power at the cutoff frequencies in a normalized frequency response plot?
30. The magnitude of the third harmonic is ________ of the magnitude of the fundamental.
31. The ________ region produces the maximum voltage gain in a single-stage BJT or FET amplifier.
32. The resistance associated with the 1-mW power level is ________ , chosen because it is the characteristic impedance of audio transmission lines.
33. The Miller effect is meaningful in the ________ amplifier.
34. To fix the frequency boundaries of relatively high gain, ________ was chosen to be the gain at the cutoff levels.
35. Voltage gains of ________ dB or higher should immediately be recognized as being quite high.
36. The decibel gain of a cascaded system is the ________ of the decibel gains of each stage.
37. The bandwidth ________ in a multistage amplifier compared to an identical single-stage amplifier.
38. is ________ than in a common-base configuration.
39. With a BJT amplifier in the high-frequency region, the capacitance Cbe is the ________ of the parasitic capacitances while Cce is the ________.
40. In the low-frequency region, the ________ low-frequency cutoff determined by CS, CC, or CE will have the greatest impact on the network.
41. For two identical stages in cascade, the drop-off rate in the high- and low-frequency regions has increased to ________ per decade.
42. A change in frequency by a factor of 2 results in a ________ change in the ratio of the normalized gain.
43. If the parasitic capacitors were the only elements to determine the high cutoff frequency, the ________ frequency would be the determining factor.
44. For the RC-coupled amplifier, the drop in gain at low frequencies is due to the increasing reactance of ________.
45. The logarithm of a number ________ than 1 is always ________.
46. The ________ in the Fourier series has the same frequency as the square wave itself.
47. In the input RC circuit of a single-stage BJT or FET amplifier, as the frequency ________, the capacitive reactance ________ and ________ of the input voltage appears across the output terminals.
48. The ________ configuration displays improved high-frequency characteristics over the ________ configuration.
49. At very high frequencies, the effect of Ci is to ________ the total impedance of the parallel combination of R1, R2, R3, and Ci.
50. The decibel (dB) is defined such that ________ decibel(s) = ________ bel(s).