Patent · US Expired

Signal processing circuit

USRE34295E · kind E · reissue

4Cited by
2References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1990
Grant dateJun 29, 1993
Priority date
Expiry dateFeb 28, 2010

Classification

  • Technology area (CPC —)General

Abstract

An integration type D/A and A/D converter having improved linearity and low power consumption. Logic circuits such as ECL counters consuming a major part of power of the D/A and A/D converters are realized through CMOS process. Current source circuits, current switch circuit and comparator circuit of the integration type A/D converter are realized in IC through bipolar process ensuring high accuracy and low noise. Logic parts such as counter is realized through CMOS process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.