Charge transfer analog-to-digital converter with precise charge

Details Charge transfer analog-to-digital converter with precise charge Charge transfer analog-to-digital converter with precise charge

1979-07-09

1981-02-10

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

307221D, 340347AD, 340347M, 340347NT, 357 24, H03K 1309

Patent

active

042504945

ABSTRACT:
A charge transfer analog-to-digital converter is provided with means to establish the potential across a large storage well at a comparator threshold voltage at the initiation of a cycle. Charge transfer circuitry is also provided for transferring, into the large potential well, charge packets of size dependent only upon the value of a charge packet capacitance and a scaling voltage. Parasitic capacitance effects are essentially eliminated.

REFERENCES:
patent: 4065766 (1977-12-01), Butler et al.
patent: 4070666 (1978-01-01), Butler et al.
patent: 4070667 (1978-01-01), Eichelberger
patent: 4074260 (1978-02-01), Butler et al.
patent: 4138665 (1979-02-01), Eichelberger et al.
patent: 4138666 (1979-02-01), Eichelberger et al.

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