Patent · US Active

Electronic device and method for buffering

US8653856B2 · kind B2 · utility

4Cited by

3References

16Claims

0Family size

Assignees

TEXAS INSTRUMENTS INCORPORATED · US
TEXAS INSTRUMENTS DEUTSCHLAND GMBH · DE

Inventors

Oliver Piepenstock · Sulingen, DE
Andreas Bock · Neuss, DE
Bhavesh G. Bhakta · Norwalk, US

Key dates

Filing date	Sep 16, 2011
Grant date	Feb 18, 2014
Priority date	—
Expiry date	Jul 9, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH03K19/018528
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A buffer is provided. The buffer includes a first switch and a second switch coupled in series at a first output node, a third switch and a fourth switch coupled in series at a second output node, a first current source and a second current source. The first current source is coupled with one side to the first switch and the third switch and with another side to a first supply voltage, the second current source is coupled with one side to the second switch and the fourth switch and with a second side to a second supply voltage. The first current source is configured to adjust an output swing in a first operation mode and in a second operation. The second current source is configured to adjust a common mode voltage level of the output signal in the first operation mode and to provide maximum series resistance in the second operation mode.

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