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Constant current source in differential amplifier is also called as

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in Linear Integrated Circuits by (37.1k points)
Constant current source in differential amplifier is also called as

(a) Current Mirror

(b) Current Source

(c) Current Repeaters

(d) All of the mentioned

This question was posed to me by my college professor while I was bunking the class.

My doubt is from Operational Amplifier Internal Circuit in portion Operational Amplifier of Linear Integrated Circuits

1 Answer

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by (39.8k points)
Correct option is (a) Current Mirror

Here's the scoop: The output current is reflection or mirror of the reference input current. Therefore, the constant current source circuit referred as Current Mirror.

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