555555555528. A class ________ amplifier is biased slightly above cutoff and operates in the linear region for slightly more than 180º of the input cycle. (a) A (b) B (c) C (d) AB
5555555555 38. A class B amplifier operates in the linear region for ________. (a) slightly more than 180° of the input cycle. (b) 360° of the input cycle. (c) slightly less than 180° of the input cycle. (d) much less than 180° of the input cycle.
555555555552. In ________ power amplifiers, the output signal varies for a full 360º of the cycle. (a) class A (b) class B or AB (c) class C (d) class D