Patent · US Expired

Charge weighting digital-to-analog converter

US4186383A · kind A · utility

5Cited by

6References

5Claims

0Family size

Inventors

Bernd Hofflinger · Sindelfingen, DE
Jurgen Dahms · Vilsbiburg, DE

Key dates

Filing date	Mar 1, 1977
Grant date	Jan 29, 1980
Priority date	—
Expiry date	Mar 1, 1997

Classification

Technology area (CPC H)Electricity
CPC primaryH03M1/804
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A digital-to-analog converter consisting of capacitors for a weighted charge distribution corresponding to the digits of an n-digit binary number that is to be converted to analog form comprises n weighted capacitors. These capacitors are integrated with charging switches for the n-digits of the binary number, discharging switches, charge distributing switches and a reference voltage source being also provided.

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