Find ideal value for input resistance of current amplifier

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Reference no: EM13280544

Suppose that a current source is feeding an amplifier with input resistance of 5k ohms. The current source can be approximated with it Norton equivalent circuit delivering Norton current of I=50mA and having a resistance of 10k ohms.

a) What percentage of the ideal (max) signal is being delivered to the amplifier?
b) Do you want your (current) amplifier to have a large or a small input resistance? What is the ideal value for the input resistance of a current amplifier?
c) Do you want your current source to have a large or a small output (Norton) resistance? What is the idea value for the output resistance of a current source?

Reference no: EM13280544

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