A power amplifier employs an output stage whose gam vanes


A power amplifier employs an output stage whose gam vanes from 2 to 12 for various reasons. What is the gain of an ideal (non varying) amplIfier connected to drive it so that an overall gain with feedback of 100 ± 5% V/V can be achieved? What is the value of Beta(B) to be used?

What are the requirements if Af must be held wlthin ±0.5 %? For each of these situations, what preamplifier gain and feedback factor Beta(B) are required if Af is to be 10 V/V (with the two possible tolerances)?

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Electrical Engineering: A power amplifier employs an output stage whose gam vanes
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