Circuit for the automatic control of the off-load voltage of a l

Details Circuit for the automatic control of the off-load voltage of a l Circuit for the automatic control of the off-load voltage of a l

1989-12-06

1991-07-23

Mottola, Steven

Amplifiers

With periodic switching input-output

330253, H03F 102

Patent

active

050346962

ABSTRACT:
Disclosed is an automatic control circuit for a device comprising at least one transistor mounted as a current source. To achieve the automatic control of its mean off-load voltage at a given level, this circuit includes an automatic control of the voltage Vgs of said transistor by a follower-shifter circuit; wherein the control of the shift voltage of the follower circuit is accomplished by the charge from a capacitor, wherein the capacitor is charged, in a calibrating step, by shifter circuit looped to the capacitor, through a switch control by a clock.

REFERENCES:
patent: 4577162 (1986-03-01), Peterson
patent: 4628274 (1986-12-01), Vittoz et al.
patent: 4707624 (1987-11-01), Yee
patent: 4806875 (1989-02-01), Schaffer

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