Voltage generator for telecommunication amplifier

Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...

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307296R, 307304, G05F 324

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active

046161724

ABSTRACT:
Field effect transistor voltage generator circuitry, particularly useful with CMOS operational amplifiers, uses a first branch circuit which contains transistors which mirrors transistors of the amplifier and uses a second branch circuit which functions to bias the first branch circuit. At least one feedback path exists from the first branch circuit to the second branch circuit to help maximize the dynamic range of the amplifier by generating reference potentials which are as far apart as is practical.

REFERENCES:
patent: 3806742 (1974-04-01), Powell
patent: 3823332 (1974-07-01), Feryszka et al.
patent: 4267501 (1981-05-01), Smith

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