Apparatus for performing successive steps of simultaneous multi-

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

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341155, 341162, 341172, H03M 140

Patent

active

057541345

ABSTRACT:
An A/D converter including a first inverter having a linear characteristic and receiving an analog input voltage, a first quantizing circuit for quantizing the analog input voltage, a capacitive coupling to which an output of the first inverter and the first quantizing circuit are inputted, a second inverter receiving an output of the capacitive coupling and having the same characteristic of the first inverter, and a second quantizing circuit for receiving and quantizing an output of the second inverter. The A/D converter performs successive steps of quantizing/digitizing so as to achieve A/D conversion.

REFERENCES:
patent: 4989004 (1991-01-01), Kanayama
patent: 5252976 (1993-10-01), Miho et al.
Ogawa et al., "Development of 1 Chip SS Communication LSI Using Digital Matched Filters", Technical Report of IECE, ISEC94-42, SST94-65 (Dec. 1994), pp. 33-38.
"Dual 64-Tap, 11 Mcps, Digital Matched Filter/Correlator", Stel-3310, Stanford Telecommunications.

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