Multiple output current mirror

Details Multiple output current mirror Multiple output current mirror

1995-05-24

1997-05-06

Krishnan, Aditya

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

G05F 302

Patent

active

056277326

ABSTRACT:
A multiple output current mirror comprising at least three mirror-connected PNP transistors whose bases are connected to a first node, at least three cascode-connected transistors, each cascode transistor being associated to one mirror transistor, a current input corresponding to the collector of the first cascode transistor, and mirror outputs corresponding to the collectors of the two other cascode transistors. The current mirror further comprising means for detecting the base current of each mirror transistor and for reproducing this base current on the collector of the cascode transistor to which each mirror transistor is associated.

REFERENCES:
patent: 3982172 (1976-09-01), Van de Plassche
patent: 4503381 (1985-03-01), Bowers
patent: 4859929 (1989-08-01), Raguet
patent: 5089769 (1992-02-01), Petty et al.
patent: 5157322 (1992-10-01), Llewellyn
patent: 5304862 (1994-04-01), Memida
Austrian Search Report dated Nov. 16, 1995.
European Search Report for European Patent Application No. 94 41 0039 filed May 27, 1994.
Improved Current Mirror For Low Beta Transistors, vol. 6B, NR. 32, p. 14, "Improved Current Mirror for Low Beta Transistors".

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