Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1992-12-21
1994-01-25
Sikes, William L.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307244, 307353, 328104, 328105, 328127, 328137, 328151, 328153, 328154, H03K 1776, H03K 500
Patent
active
052818608
ABSTRACT:
A method and apparatus for an improved multiple channel sensor interface circuit is described which comprises a plurality of input integrator circuits (35) coupled in parallel; a switched capacitor multiplexer (37) coupled to the input integrator circuits (35); and an output integrator stage (39) coupled to the switched capacitor multiplexer (37). An additional embodiment is described wherein a multiple channel voltage sensor interface circuit comprising a plurality of switched capacitor storage elements (S26 . . . S28) is coupled to a plurality of inputs; a plurality of integrator amplifiers (51, 53) is coupled to the switched capacitor storage elements (C22 . . . C30); and timing circuitry is coupled to the switched capacitor storage elements (C221 . . . C30) and to integrator amplifiers (51, 53) operable to selectively enable sampling of the inputs.
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Culp Norman L.
Krenik William R.
Lin Chih-Hung
Courtney Mark E.
Cunningham Terry D.
Donaldson Richard L.
Sikes William L.
Texas Instruments Incorporated
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