7-22 Abaschand signal with frequency components from near de to 15 kHz froquency modulales a 200-kHz carrier, and the froquency deviation is 13 kHz. The signal is applied as the input to a cascade of two froquency triplers and one frequency doubler. Determine the output (a) center fre- quency, Ch) froquency deviation, and (c) deviation ratio.

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Suppose a small AC voltage of amplitude .1Vpp is added to the input voltage of 5V What is the output AC voltage and the small signal voltage gain? Vin Lo VDD=10V R=10 Q2 Vout

An op-amp comparator in a firing circuit can produce waveforms at the output of up to 28 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +14 to -14 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the reference voltage is 5.92 volts, the delay angle (in degrees) would be: