Multiplexer circuit having diode bridge switches

Details Multiplexer circuit having diode bridge switches Multiplexer circuit having diode bridge switches

1997-01-09

1999-06-15

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Converging with plural inputs and single output

327494, 2502081, 348308, H03K 1700, H03K 1774

Patent

active

059125780

ABSTRACT:
An array of electrical elements is arranged in rows and columns, signals being read out from the column conductors. Each column has a multiplexer switch so that signals from a number of columns may be switched to a common output. Each multiplexer switch comprises a diode bridge (36-39) having an input (60) and an output (34). Current is supplied to the diode bridge through a supply diode (52) and drained from the bridge through a drain diode (54), for controlling the switching of the bridge. The all-diode switch may be integrated on the substrate of the array and has a substantially linear switching response.

REFERENCES:
patent: 3059228 (1962-10-01), Beck et al.
patent: 3098214 (1963-07-01), Windes et al.
patent: 3389272 (1968-06-01), Cherry
patent: 3737680 (1973-06-01), Uchida
patent: 3916392 (1975-10-01), Richardson
patent: 4150256 (1979-04-01), Bernet et al.
patent: 4518921 (1985-05-01), Logan
patent: 4659945 (1987-04-01), Metz

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