a. What is the expected amplification of a BJT transistor amplifier if the dc supply is set to zero volts?
b. What will happen to the output ac signal if the dc level is insufficient? Sketch the effect on the waveform.
c. What is the conversion efficiency of an amplifier in which the effective value of the current through a 2.2-kΩ load is 5 mA and the drain on the 18-V dc supply is 3.8 mA?
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