Digital current switch

Details Digital current switch Digital current switch

1993-08-18

1996-07-30

Cunningham, Terry

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 53, 327 54, 327391, 327437, 327513, 327562, H03K 527

Patent

active

055415393

ABSTRACT:
The coupled switching transistors of the digital current switch are connected to a controlled current source. Load resistors of the current switch are formed as controlled resistors. The L-level produced by a reference current branch is compared with a predetermined level by means of a regulating device which includes the reference current branch and a compensator, and the controlled resistor or the controlled current source are adjusted such that the L-level is equal to the predetermined level.

REFERENCES:
patent: 4539491 (1985-09-01), Nishioka et al.
patent: 4691120 (1987-09-01), Kondo
patent: 4724343 (1988-02-01), LeRoux et al.
patent: 4724344 (1988-02-01), Watanabe
patent: 4763021 (1988-08-01), Stickel
patent: 4965468 (1990-10-01), Nicollini et al.
patent: 4966443 (1991-02-01), Tateno
patent: 5115154 (1992-05-01), Terado
patent: 5293514 (1994-03-01), Nakagwara

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