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What are the disadvantages of collector emitter feedback bias circuits?

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What are the disadvantages of collector emitter feedback bias circuits?

(a) Requires few resistors

(b) Provides a lot of stability

(c) Provides negative feedback

(d) Provides positive feedback

This question was addressed to me in an online interview.

My doubt stems from Collector-Emitter Feedback Bias in chapter Transistor Biasing and Thermal Stabilization of Electronic Devices & Circuits

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Best answer
The correct option is (c) Provides negative feedback

Best explanation: A collector emitter bias circuit provides negative feedback as well as requires multiples resistors for a small change. The negative feedback limits the frequency range it will work in. Higher frequencies will provide poor performance. It also requires a greater number of resistors just to provide a stability against a small parameter.

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