555555555527. A certain amplifier has a bandwidth of 22.5 kHz with a lower cutoff frequency of 600 Hz. What is the value of fcu? (a) 600 Hz (b) 22.5 kHz (c) 23.1 kHz (d) 21.9 kHz
555555555529. For low-frequency response, all RC circuits in an amplifier may not have the same critical frequency. Which RC response will determine the critical frequency of the amplifier? (a) the lowest frequency (b) the center frequency (c) the highest frequency (d) the bypass frequency