Electronic circuit including a current mirror circuit

Details Electronic circuit including a current mirror circuit Electronic circuit including a current mirror circuit

1981-06-22

1983-10-18

Anagnos, Larry N.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

307255, 307355, 307362, H03F 345, H03F 318

Patent

active

044108583

ABSTRACT:
This disclosed electric circuit substantially eliminates error output which is caused by unbalanced characteristics of a pair of transistors in a current mirror circuit. An input signal is amplified by a differential amplifier. A current mirror circuit is coupled between said differential amplifier and a power supply. Switching means is coupled to said current mirror circuit for cyclically switching input and output points of said mirror circuit.

REFERENCES:
patent: 4256980 (1981-03-01), Asada et al.
patent: 4284912 (1981-08-01), Fujisaki et al.
patent: 4321488 (1982-03-01), Srivastava
patent: 4362956 (1982-12-01), Ogasawara et al.
L. A. Kaplan et al., "Integral Circuit Stereo Decoder Does Everything", IEEE Transactions on Broadcast and Television Receivers, BTR-3, No. 3, pp. 202-212, Aug. 1971.
M. J. Gay, "A Monolithic Phase-Lock-Loop Stereo Decoder," IEEE Transactions on Broadcast and Television Receivers, BTR-17, No. 4, pp. 270-275, Nov. 1971.

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