Dual slope integrating A/C converter

Details Dual slope integrating A/C converter Dual slope integrating A/C converter

1991-08-02

1993-03-16

Hoff, Marc

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341118, H03M 152, H03M 106

Patent

active

051948680

ABSTRACT:
An improved dual slope integrating analog-to-digital converter for use in a Digital Multi-Meter includes an input portion, an A/D core portion, and a digital portion. The A/D core portion includes an auto zero function capability for automatically compensating for any existing offset voltages in various measurement modes such as voltage, resistance, or current measurement modes. The improved A/D converter of the present invention operates at high speed and with high resolution.

REFERENCES:
patent: 4031533 (1977-06-01), Neumann
patent: 4303880 (1981-12-01), Munt et al.
patent: 4556867 (1985-12-01), George
patent: 4568913 (1986-02-01), Evans
patent: 4633221 (1986-12-01), Bradshaw et al.
patent: 4707680 (1987-11-01), Sparrowhawk
patent: 4739305 (1988-04-01), Naito
patent: 4771265 (1988-09-01), Okui et al.
patent: 4851839 (1989-07-01), Reinke

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