Operational amplifier

Details Operational amplifier Operational amplifier

1999-04-16

2000-12-19

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330260, H03F 345

Patent

active

061632171

ABSTRACT:
A current charged into or discharged from a phase-compensating capacitor C1 in an output circuit is controlled by a level shift circuit so that the current is kept constant for input signals inputted to the input terminals IN+ and IN- of a differential amplifier circuit, and also a current charged into or discharged from a phase-compensating capacitor C2 is controlled by the current correcting circuit so that the current become equal to a constant current controlled by the level shift circuit, namely to a current charged into or discharged from the phase-compensating capacitor C1. Therefore, even if a quickly rising or falling signal is inputted into the differential amplifier circuit, the MOS transistor MP11 or MN11 is not set in an offset state, which prevents generation of an overshoot or an undershot in the output terminal.

REFERENCES:
patent: 4015212 (1977-03-01), Miyata
patent: 5210506 (1993-05-01), Koch et al.
patent: 5289058 (1994-02-01), Okamoto
patent: 5990742 (1999-11-01), Suzuki
patent: 5999054 (1999-12-01), Suzuki
patent: 6018267 (2000-06-01), Tran et al.
Patent Abstract of Japan S62-51305, Mar. 6, 1987.
Patent Abstract of Japan S63-133708, Jun. 6, 1988.

Affiliated with

Also associated with

Rating

Operational amplifier does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Operational amplifier, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Operational amplifier will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-274181