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(19)

(11)

2 444 119

(13)

(51)

IPC

H03F3/45(2006-01-01)

(21) (22)

Application

2011109231/08, 2011-03-11

(24)

Start date

2011-03-11

(22)

Actual filing date

2011-03-11

(45)

Published

2012-02-27

(72)

Inventor

Prokopenko Nikolaj NikolaevichBelich Sergej SergeevichSerebrjakov Aleksandr Igorevich

(73)

Holder

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

PRECISION OPERATIONAL AMPLIFIER Russian patent published in 2012 - IPC H03F3/45

Abstract RU 2444119 C1

FIELD: radio engineering.

SUBSTANCE: precision operational amplifier comprises an input differential cascade, the first and second output transistors, an additional transistor, a source of reference current, two p-n transitions, a buffer amplifier.

EFFECT: reduced absolute value of U_offset, and its temperature and radiation drift.

2 cl, 8 dwg

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Authors

Prokopenko Nikolaj Nikolaevich

Belich Sergej Sergeevich

Serebrjakov Aleksandr Igorevich

Dates

2012-02-27—Published

2011-03-11—Filed