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2 462 812

(13)

(51)

IPC

H03F3/45(2006-01-01)

(21) (22)

Application

2011133728/08, 2011-08-10

(24)

Start date

2011-08-10

(22)

Actual filing date

2011-08-10

(45)

Published

2012-09-27

(72)

Inventor

Prokopenko Nikolaj NikolaevichBelich Sergej SergeevichPakhomov Il'Ja Viktorovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Ehkonomiki I Servisa" Vpo

OPERATING AMPLIFIER WITH LOW ZERO OFFSET VOLTAGE Russian patent published in 2012 - IPC H03F3/45

Abstract RU 2462812 C1

FIELD: electricity.

SUBSTANCE: operating amplifier with low zero offset voltage includes input differential stage, the first and the second current mirrors, buffer amplifier, the first and the second output transistors of the third current mirror, the first and the second p-n junctions of the third current mirror, composite transistor containing N parallel connected bipolar transistors.

EFFECT: reducing absolute value of zero offset voltage, its temperature and radiation drift.

3 cl, 7 dwg

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RU 2 462 812 C1

Authors

Prokopenko Nikolaj Nikolaevich

Belich Sergej Sergeevich

Pakhomov Il'Ja Viktorovich

Dates

2012-09-27—Published

2011-08-10—Filed