Capacitive array having a correct capacitive ratio among the com

Details Capacitive array having a correct capacitive ratio among the com Capacitive array having a correct capacitive ratio among the com

1998-07-21

2000-09-26

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341172, 341133, H03M 138

Patent

active

061248215

ABSTRACT:
A capacitive array particularly for converters, comprising a plurality of unitary capacitors, the number of the unitary capacitors being equal to 2.sup.n, where n is the number of bits of the binary code required in output, the unitary capacitors being mutually connectable so as to obtain capacitors in which the capacitance ratio between one capacitor and the adjacent parallel-connected capacitor is equal to a factor of two. The invention is that the factor-of-two capacitance ratio of adjacent capacitors is achieved by mutually diagonally connecting in parallel the unitary-capacitance capacitors of the capacitive array in a preset number according to the capacitance value to be obtained.

REFERENCES:
patent: 5099239 (1992-03-01), Bruce et al.
patent: 5322438 (1994-06-01), McNutt et al.
patent: 5952952 (1999-09-01), Choi et al.
patent: 5966047 (1999-10-01), Anderson et al.
patent: 5973633 (1999-10-01), Hester
patent: 6016019 (2000-01-01), Wojewoda

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