Accurate low noise analog to digital converter system

Details Accurate low noise analog to digital converter system Accurate low noise analog to digital converter system

2006-11-14

2006-11-14

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S155000

Reexamination Certificate

active

07136005

ABSTRACT:
An accurate, low noise conditionally resetting integrator circuit in an analog to digital system samples, with an analog to digital converter, the output of an integrating circuit a number of times during a measuring period; isolates the input for the integrating circuit during sample event; generates a reset signal in response to the integrating circuit output reaching a predetermined level; and resets the feedback capacitor of the integrating circuit by isolating it from the amplifier circuit of the integrating circuit and connecting it to a reference source during a sample event.

REFERENCES:
patent: 5002392 (1991-03-01), Swope et al.
patent: 5367154 (1994-11-01), Pfeiffer
patent: 5959292 (1999-09-01), Duveneck et al.
patent: 6172353 (2001-01-01), Jensen
patent: 6660991 (2003-12-01), Brombacher et al.

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