Source measure circuit

Details Source measure circuit Source measure circuit

Filed on

2007-04-10

Date issued

2007-04-10

Examiner

Hirshfeld, Andrew H. (Department: 2858)

Patent Class

Electricity: measuring and testing

SubClass

Impedance, admittance or other quantities representative of...

SubSubClass

Lumped type parameters

Other Related Categories

C324S691000, C324S609000

Type

Reexamination Certificate

Status

active

Patent number

11068120

Description

ABSTRACT:
A circuit for alternatively controlling a current through a device and permitting measurement of a voltage across the device or controlling a voltage across the device and permitting measurement of a current through the device includes a sense impedance in series combination with the device, an error amplifier selectable to control the controlled current or voltage, the error amplifier providing an error signal for the control, and a floating buffer driving the series combination in response to the error signal.

REFERENCES:
patent: 3624418 (1971-11-01), Kohl et al.
patent: 4535303 (1985-08-01), Schoofs et al.
patent: 4795962 (1989-01-01), Yanagawa et al.
patent: 6262670 (2001-07-01), Ballou
patent: 6911831 (2005-06-01), Tsutsui

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