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Independent control of transconductance gain and input linear range in a MOS linear transconductance amplifier

Independent control of transconductance gain and input linear range in a MOS linear transconductance amplifier

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A linear self-biasing MOS transconductance amplifier is presented. A linear V-I transfer characteristic is obtained by square-rooting the drain current of a MOS transistor in the saturation region. The main advantage of the circuit is that its transconductance gain and input linear range can be adjusted independently. Simulation results are included to confirm the feasibility of the technique.

Inspec keywords: MOS analogue integrated circuits; differential amplifiers

Other keywords: saturation region; drain current; self-biasing amplifier; square-rooting; transconductance gain; V-I transfer characteristic; input linear range; MOS linear transconductance amplifier

Subjects: Other MOS integrated circuits; Amplifiers

References

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