Broad-band differential amplifier with double reverse feed-back

Details Broad-band differential amplifier with double reverse feed-back Broad-band differential amplifier with double reverse feed-back

1985-04-03

1986-07-08

Laroche, Eugene R.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330253, 330277, H03F 345, H03F 316

Patent

active

045995753

ABSTRACT:
In order to diminish the risk of oscillation of a broad-band amplifier 20 MHz without considerably reducing the product gain x bandwidth, this amplifier comprises a differential stage T1, T2, T3, T4, a follower stage T5, T6, two common mode feed-back braches T8, T9, T5 on the one hand, T11, T12, T10, on the other hand, and compensation capacitors C1, C2 that are unbalanced, C2 higher than C1, between the supply terminal B and each of the outputs S1, S2 of the differential stage.

REFERENCES:
patent: 4284959 (1981-08-01), Heagerty et al.
patent: 4371843 (1983-02-01), Fang et al.
IEEE International Solid-State Circuits Conference, vol. 25, fevrier 1982, New York (U.S.), R. C. Yen et al.: "An MOS Switched Capacitor Sampling Differential Instrumentation Amplifier", pp. 82, 83, 298 (p. 83, FIG. 3).

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