Amplifiers – With semiconductor amplifying device – Including current mirror amplifier
Patent
1986-05-12
1987-05-05
LaRoche, Eugene R.
Amplifiers
With semiconductor amplifying device
Including current mirror amplifier
307299B, 330310, H03F 304
Patent
active
046635980
ABSTRACT:
A current mirror which is stable and accurate for a broad range of beta gain factors of the individual transistors thereof has two transistors of one type connected substantially as a Darlington pair. A multiplying, multi-collector transistor of the opposite type is connected serially between the collectors of the Darlington pair from base to emitter. One collector is diode connected to the base and the other is returned to a potential source. The collectors are of equal area.
REFERENCES:
patent: 4371792 (1983-02-01), Dobkin
Bannister Richard
Dayton Birney D.
Gray Francis I.
LaRoche Eugene R.
Mottola Steven J.
Smith-Hill John
The Grass Valley Group
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