Bidirectional current mirrors and method for bidirectional curre

Details Bidirectional current mirrors and method for bidirectional curre Bidirectional current mirrors and method for bidirectional curre

1991-11-22

1993-06-22

Beha, Jr., William H.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

307250, 307254, 307263, G05F 326

Patent

active

052218899

ABSTRACT:
A method and apparatus are provided for bidirectional current conduction between first and second nodes of an electronic circuit. A first substantially constant current is conducted through a first current mirror pair of transistors coupled between the first and second nodes, in a first direction away from the first node toward the second node, in response to the first node having a voltage higher than the second node. A second substantially constant current is conducted through a second current mirror pair of transistors coupled between the first and second nodes, in a second direction away from the second node toward the first node, in response to the first node having a voltage lower than the second node.

REFERENCES:
patent: 4096399 (1978-06-01), Davis et al.
patent: 4704654 (1987-11-01), Aberle et al.
patent: 5159425 (1992-10-01), Zommer

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