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2 449 465

(13)

(51)

IPC

H03F3/34(2006-01-01)

H03F3/45(2006-01-01)

(21) (22)

Application

2011111248/08, 2011-03-24

(24)

Start date

2011-03-24

(22)

Actual filing date

2011-03-24

(45)

Published

2012-04-27

(72)

Inventor

Prokopenko Nikolaj NikolaevichBudjakov Petr SergeevichSil'Nov Andrej Aleksandrovich

(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 H03F3/34 H03F3/45

Abstract RU 2449465 C1

FIELD: radio engineering.

SUBSTANCE: precision operational amplifier comprises an inlet complementary differential cascade, from the first to the third output p-n-p transistors, from the first to the third n-p-n transistor, an additional p-n-p transistor, an additional n-p-n transistor, a complementary buffer amplifier.

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

7 dwg

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RU 2 449 465 C1

Authors

Prokopenko Nikolaj Nikolaevich

Budjakov Petr Sergeevich

Sil'Nov Andrej Aleksandrovich

Dates

2012-04-27—Published

2011-03-24—Filed