Coding circuit

Details Coding circuit Coding circuit

1992-08-14

1993-12-21

Zazworsky, John

Communications: electrical

Digital comparator systems

307355, 307463, 328119, 341 79, 341103, 341159, H03M 722, H03M 136

Patent

active

052724611

ABSTRACT:
A coding circuit forming a 1-from-N code from an X-from-N code includes partial circuits in which each position of the X-from-N code forms an input value of a partial circuit. Each partial circuit is formed of three emitter-coupled transistor pairs, a current source connected to reference potential, level shift circuits, signal outputs and a symmetrical signal input. Each partial circuit is connected to the partial circuit with the next higher position of the X-from-N code as an input value and to the partial circuit with the next lower position of the X-from-N code as an input value.

REFERENCES:
patent: 3914620 (1975-10-01), Millhollan et al.
patent: 3959791 (1976-05-01), Takahashi et al.
patent: 4394657 (1983-07-01), Isogai et al.
patent: 4897657 (1990-01-01), Brubaker
Siemens Forschungs-und Entwicklungsberichte, vol. 15 (1986), No. 2 (Zojer et al.) pp. 68-72.
IEEE Journal of Solid-State Circuits, vol. SC-20, No. 3, Jun. 1985, (Zojer et al.) pp. 780-786.
Halbleiter-Schaltungstechnik, 5th Ed, 1980 pp. 653-664 (Tietze et al.).

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