Integrated circuit, variable filter adjusting method therefor, a

Details Integrated circuit, variable filter adjusting method therefor, a Integrated circuit, variable filter adjusting method therefor, a

1996-04-03

1998-09-29

Nelms, David C.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

327553, H03B 100

Patent

active

058150331

ABSTRACT:
The present invention is to provide an integrated circuit capable of reducing the substrate area, a variable filter adjusting method for the integrated circuit, and an electronic equipment using the integrated circuit, in which disorder of an external element and its temperature characteristic can be automatically corrected following the adjustment of disorder of the internal elements and their temperature characteristics by performing digital/analog conversion of a control signal to be input to a first adjustment unit for adjusting the disorder of internal elements of the integrated circuit and their temperature characteristics, so that the control signal can be input to a second adjustment unit as a reference signal of a digital/analog converter.

REFERENCES:
patent: 4818903 (1989-04-01), Kawano
patent: 5206913 (1993-04-01), Sims
patent: 5278516 (1994-01-01), Sakurai
IEEE Transactions on Consumer Electronics, vol. 39, No. 3, Aug. 1, 1993, pp. 413-420, XP000396312, Futao Yamaguchi et al: "A New Single-Chip Video Signal-Processing LSI For the High-Band 8MM Camcorder".
Electronic Design, vol. 40, No. 9, May 1, 1992, pp. 56-57, 60, 64-66, 69, XP000334857 Goodenough F: "CMOS Now Dominates Analog, Mixed-Signal IC Designs".

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