Current measurement circuits

Details Current measurement circuits Current measurement circuits

1993-11-02

1995-01-03

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

324123R, G01R 130

Patent

active

053789989

ABSTRACT:
A circuit for measuring current flowing along a line including a resistance has two transistors with their emitters connected to the line on opposite sides of the resistance and with their collectors connected to a zero voltage rail via respective resistors. The bases of the transistors are connected together so that one transistor controls current flow through the second. The voltage across the resistor connected to the second transistor is representative of current flow in the line.

REFERENCES:
patent: 4827207 (1989-05-01), Chieli
patent: 4910455 (1990-03-01), Nadd
patent: 5084633 (1992-01-01), Izadinia

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