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Consider a feedback amplifier for which the open-loop gain is given by
(a) Determine the frequency f180 at which the phase of A( f ) is -180 degrees.
(b) For β = 0.0045, determine the magnitude of the loop gain T ( f ) at the frequency f = f180 and determine the phase of A(f)when |T ( f )| = 1. Determine the closed-loop, low-frequency gain. Is the system stable or unstable?
(c) Repeat part (b) for β = 0.15.
What value of emitter resistor would you choose, if: a) You have to amplify the signal of a microphone that has an internal resistance of 100K using a Common Emitter bias configuration b) you have to drive a load of 50 with an Emitter Follower cir..
Create 4 subnets for this organisation with the first subblock of 120 addresses, the second subblock of 60 addresses, the third subblock of 30 addresses and the fourth subblock of 12 addresses.
A certain electronic circuit is connected to a 110-V ac line. The root-mean-square value of the current drawn is 2 A, with a phase angle of 55?.
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Questions 1. Describe what is meant by the voltage gain of an amplifier 2, What is the primary purpose of a coupling capacitor ub transistor amplifiers?
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how to design boost converter and inverter parameters?
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