Circuit compensating for capacitance at inverting input of curre

Details Circuit compensating for capacitance at inverting input of curre Circuit compensating for capacitance at inverting input of curre

1995-09-28

1996-11-26

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330265, H03F 330

Patent

active

055789676

ABSTRACT:
A capacitance compensation circuit for a current feedback amplifier which compensates for error current created due to a parasitic capacitance C.sub.IN on the negative, or inverting input terminal V.sub.IN. The capacitance compensation circuit includes a capacitor C* connected to the positive input terminal V.sub.IN+ utilized to couple current from V.sub.IN+ to the collectors of emitter follower transistors having bases coupled to V.sub.IN+ and emitters connected to V.sub.IN-.

REFERENCES:
patent: 4513178 (1985-04-01), Hng et al.
patent: 4713628 (1987-12-01), Nelson
patent: 4792977 (1988-12-01), Anderson et al.
patent: 4806882 (1989-02-01), Gehring et al.
patent: 4820971 (1989-04-01), Ko et al.
patent: 5177451 (1993-01-01), Lehmann
patent: 5179355 (1993-01-01), Harvey
patent: 5229721 (1993-07-01), Stade
patent: 5418495 (1995-05-01), Harvey

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