Patent · US Active

Digitally controlled jitter injection for built in self-testing (BIST)

US8811458B2 · kind B2 · utility

4Cited by

9References

20Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Xiaohua Kong · San Diego, US
Zhi Zhu · San Diego, US
Vannam Dang · San Diego, US

Key dates

Filing date	Oct 4, 2012
Grant date	Aug 19, 2014
Priority date	—
Expiry date	Oct 4, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04L1/205
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A digitally controlled jitter injection apparatus for built in self-testing includes a transceiver circuit having a transmitter circuit and a receiver circuit. The digitally controlled jitter injection apparatus also includes a generator that generates a composite jitter including multi-tone jitter components. The digitally controlled jitter injection apparatus also includes a processor operable to digitally inject the composite jitter into a receiver circuit and/or a transmitter circuit of the transceiver circuit.

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