PHYSICS 3K03 Lecture Notes - Lecture 13: Buffer Amplifier, Current Source, Common Drain

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22 Jun 2018

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Common-gate

configuration:

- Non-inverting confuration with low

- Good current buffer to connect a current signal with

output resistance, via a low-input-resistance, to a

moderate/high load resistance

- Good high-frequency response (better than CS)

Common-drain

configuration

- AKA source follower

- Non-inverting configuration with very high

- Good voltage buffer to connect a voltage signal with a

high output resistance, via a high-input-resistance, to

a moderate/low load resistance

Biasing MOSFETs Constant and , source-degeneration resistance

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