Feedback comparison type analog-to-digital converter

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion

Patent

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Details

341136, 341158, 341155, 341163, H03M 136

Patent

active

051172356

ABSTRACT:
An analog-to-digital converter comprises plural amplifiers, a first group of transistors for input, a second group of transistor for biasing, a third group of transistors for feedback and plural inverters. The first group of transistors are PMOS transistors, and the second and third groups of transistors are NMOS transistors. The connecting weight of each transistor may be set with the conductance values thereof in accordance with a geometrical aspect ratio W/L of MOS transistors. The amplifiers comprise two CMOS inverters connected in series.

REFERENCES:
patent: 4331892 (1982-05-01), Miskin et al.
patent: 4635038 (1987-01-01), Wincn
patent: 4924227 (1990-05-01), Mangelsdorf
patent: 4926180 (1990-05-01), Anastassiou

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