Electrically variable R/C network and method

Details Electrically variable R/C network and method Electrically variable R/C network and method

1996-07-29

1998-06-16

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

257536, H03H 706, H01L 2996

Patent

active

057677573

ABSTRACT:
An integrated circuit R/C network and method for providing a selectively variable impedance in which a capacitor has a high resistivity semiconductor plate with a low resistivity body contact region therein, the contact region for providing a variable resistance in series with the capacitor, and in which a control terminal is connected to the plate for selectively applying a control voltage thereto which varies the series resistance to thereby vary the impedance of the network.

REFERENCES:
patent: 4263518 (1981-04-01), Ballatore et al.
patent: 4672402 (1987-06-01), Yamaoka et al.
patent: 5065132 (1991-11-01), Taddiken et al.
patent: 5241211 (1993-08-01), Tashiro

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