Practice Quiz in BJT and FET Frequency Response Part 4

Question 31. What is the ratio of the output voltage to the input voltage at the cut-off frequencies in a normalized frequency response plot?

Question 32. For audio systems, the reference level is generally accepted as

Question 33. Which of the following elements is (are) important in determining the gain of the system in the high-frequency region?

Question 34. 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 Ω. Find the voltage gain in decibels.

Question 35. What is the ratio of the output power to the input power at the cut-off frequencies in a normalized frequency response plot?

Question 36. For two identical stages in cascade, the drop-off rate in the high- and low-frequency regions has increased to _____ per decade.

Question 37. f_∞ is _____ than f_β in a common-base configuration.

Question 38. At very high frequencies, the effect of C_i is to _____ the total impedance of the parallel combination of R₁, R₂, R₃, and C_i.

Question 39. The _____ region produces the maximum voltage gain in a single-stage BJT or FET amplifier.

Question 40. The Miller effect is meaningful in the _____ amplifier.