Circuit arrangement for supplying an alternating signal current

Details Circuit arrangement for supplying an alternating signal current Circuit arrangement for supplying an alternating signal current

1995-03-14

1997-04-08

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327382, 330292, H03K 300

Patent

active

056191529

ABSTRACT:
A high frequency amplifier circuit arrangement has an output current path having one end coupled to a reference potential for supplying an alternating signal current at an output terminal. The influence of parasitic inductances in the output current path on the amplitude of the alternating signal current is reduced or cancelled in that compensation is provided for the influence of a parasitic inductance in the coupling between the output current path and the reference potential by means of a compensation circuit which applies an alternating compensation current to a (first) node between the output current path and the parasitic inductance. This compensation current is in phase opposition to and of at least substantially the same magnitude as the alternating signal current.

REFERENCES:
patent: 3810256 (1974-05-01), Van Doorn
patent: 4764736 (1988-08-01), Usui et al.
patent: 5028811 (1991-07-01), Le Roux et al.
patent: 5424665 (1995-06-01), Sueri et al.
IEEE Journal of Solid-State Circuits, Bd. 26, No. 10, Oct. 1991 New York Seiten 1457-1460, H. Parzhuber et al `An Adaptive Biasing One-Stage CMOS Operational Amplifier for Driving High Capacitive Loads`.
Revue De Physique Appliquee, Bd. 20, No. 7, Jul. 1985 Paris, Fr, Seiten 465-482, F. Baillieu et al, `L'Amplificateur CMOS Dans Les Circuits A Capacites Commutees`.

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