Patent · US Active

Digital-to-analog converter (DAC) with common-mode correction

US10840929B1 · kind B1 · utility

2Cited by

4References

20Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Andrew Weil · San Diego, US
Jaswinder Singh · Dunlap, US
Debesh Bhatta · San Diego, US
Haibo Fei · San Diego, US

Key dates

Filing date	May 14, 2019
Grant date	Nov 17, 2020
Priority date	—
Expiry date	May 14, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH03M1/742
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

Certain aspects of the present disclosure are directed to a digital-to-analog converter (DAC) system. The DAC system generally includes a first current-steering DAC having a positive output, a negative output, and a bypass output; a common-mode (CM) path coupled between the positive and negative outputs; and a CM current compensation path coupled to the CM path.

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