Patent · US Expired

Differential reference voltage generator for NMOS single-supply integrated circuits

US4654578A · kind A · utility

14Cited by

3References

2Claims

0Family size

Assignee

CSELT-Cento Studi E Laborati Telecomunicazioni S.p.A. · IT

Inventors

Franco Salerno · Alpignano, IT
Mario Sartori · Torino, IT

Key dates

Filing date	Sep 20, 1985
Grant date	Mar 31, 1987
Priority date	—
Expiry date	Sep 20, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG05F3/245
WIPO fieldControl
WIPO sectorInstruments

Abstract

Voltage reference is generated by a current generator which, through a current-mirror amplifier, biases an enhancement MOS transistor as well as a depletion one, so that the desired voltage is equal to the difference between their threshold voltages.

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