Keyword Analysis & Research: ic mirror

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What is current mirror and what are its advantages?

For studying the circuit of a current conveyor, it is important to understand what a current mirror is and how it works. In a current mirror, the output current is the mirror reection of the input current. The advantages of current mirror are that it offers extremely large resistance under ac conditions and provides high value of common mode rejection ratio (CMRR).

What is the practical use of current mirror?

The current mirror is used to provide bias currents and active loads to circuits . It can also be used to model a more realistic current source (since ideal current sources don't exist).

What is meant by current mirror?

A current mirror is a circuit block which functions to produce a copy of the current flowing into or out of an input terminal by replicating the current in an output terminal. An important feature of the current mirror is a relatively high output resistance which helps to keep the output current constant regardless of load conditions.

How does a current mirror work?

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading.

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