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2 449 466

(13)

(51)

IPC

H03F3/45(2006-01-01)

(21) (22)

Application

2011111677/08, 2011-03-28

(24)

Start date

2011-03-28

(22)

Actual filing date

2011-03-28

(45)

Published

2012-04-27

(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 2449466 C1

FIELD: radio engineering.

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

EFFECT: reduced absolute value of zero shift voltage and its temperature and radiation drift.

3 cl, 9 dwg

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RU 2 449 466 C1

Authors

Prokopenko Nikolaj Nikolaevich

Belich Sergej Sergeevich

Serebrjakov Aleksandr Igorevich

Dates

2012-04-27—Published

2011-03-28—Filed