Voltage-controlled attenuator

Details Voltage-controlled attenuator Voltage-controlled attenuator

1982-03-25

1985-01-29

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307555, H03K 508

Patent

active

044968604

ABSTRACT:
A voltage-controlled attenuator achieves lower distortion and noise through a construction wherein collector currents of a driving differential amplifier are linearized by employing a current mirror configuration. The circuit design lends itself to IC fabrication by lowering current requirements.

REFERENCES:
patent: 3241078 (1966-03-01), Jones
patent: 3681614 (1972-08-01), Kroos
patent: 3689752 (1972-09-01), Gilbert
patent: 3875522 (1975-04-01), Hoefi
patent: 4019118 (1977-04-01), Harwood
patent: 4197505 (1980-04-01), Nishijima et al.
patent: 4327333 (1982-04-01), Wilcox
patent: 4331929 (1982-05-01), Yokoyama
patent: 4396891 (1983-08-01), Johansson et al.

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