MD649Z - Convertor de rezistenţă negativă - Google Patents

Convertor de rezistenţă negativă

Info

Publication number
MD649Z
MD649Z MDS20120162A MDS20120162A MD649Z MD 649 Z MD649 Z MD 649Z MD S20120162 A MDS20120162 A MD S20120162A MD S20120162 A MDS20120162 A MD S20120162A MD 649 Z MD649 Z MD 649Z
Authority
MD
Moldova
Prior art keywords
amplifier
input
output
switch
pole
Prior art date
Application number
MDS20120162A
Other languages
English (en)
Russian (ru)
Inventor
Виталие НАСТАС
Original Assignee
Технический университет Молдовы
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Технический университет Молдовы filed Critical Технический университет Молдовы
Priority to MDS20120162A priority Critical patent/MD649Z/ro
Publication of MD649Y publication Critical patent/MD649Y/ro
Publication of MD649Z publication Critical patent/MD649Z/ro

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  • Measurement Of Resistance Or Impedance (AREA)

Abstract

Invenţia se referă la domeniile tehnicii de măsurare şi radioelectronicii şi poate fi utilizată pentru reproducerea rezistenţelor negative virtuale cu reglare lină şi brută a valorii.Convertorul conţine un amplificator operaţional (1) cu două intrări şi o ieşire, două cleme (2 şi 7) de intrare, conectate respectiv la prima intrare a amplificatorului (1) şi la masă, primul rezistor (3), conectat cu un pol la prima intrare a amplificatorului (1) şi cu al doilea pol - la ieşirea amplificatorului (1), precum şi cel de-al doilea rezistor (4) variabil, conectat între cea de-a doua intrare a amplificatorului (1) şi masă. Convertorul conţine suplimentar un comutator (6), conectat cu contactul mobil la ieşirea amplificatorului (1), şi un bloc (5) din n rezistoare, conectate cu câte un pol împreună la intrarea a doua a amplificatorului (1), iar cu polii liberi - respectiv, la contactele fixe ale comutatorului (6).
MDS20120162A 2012-11-12 2012-11-12 Convertor de rezistenţă negativă MD649Z (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDS20120162A MD649Z (ro) 2012-11-12 2012-11-12 Convertor de rezistenţă negativă

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDS20120162A MD649Z (ro) 2012-11-12 2012-11-12 Convertor de rezistenţă negativă

Publications (2)

Publication Number Publication Date
MD649Y MD649Y (ro) 2013-06-30
MD649Z true MD649Z (ro) 2014-01-31

Family

ID=48749698

Family Applications (1)

Application Number Title Priority Date Filing Date
MDS20120162A MD649Z (ro) 2012-11-12 2012-11-12 Convertor de rezistenţă negativă

Country Status (1)

Country Link
MD (1) MD649Z (ro)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD817Z (ro) * 2014-02-12 2015-04-30 Технический университет Молдовы Convertor de rezistenţă negativă
MD888Z (ro) * 2014-11-05 2015-09-30 Технический университет Молдовы Convertor de impedanţă

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD2130G2 (ro) * 2002-01-23 2003-09-30 Технический университет Молдовы Convertor de impedanţă
MD2462G2 (ro) * 2003-10-09 2004-11-30 Технический университет Молдовы Convertor de impedanţă
MD3111G2 (ro) * 2005-10-04 2007-02-28 Технический университет Молдовы Convertor de admitanţă
MD3154G2 (ro) * 2005-10-04 2007-03-31 Технический университет Молдовы Convertor de impedanţă
MD3173G2 (ro) * 2006-03-21 2007-05-31 Технический университет Молдовы Convertor de impedanţă
MD3461G2 (ro) * 2007-03-02 2008-09-30 Технический университет Молдовы Convertor de admitanţă
MD3689G2 (ro) * 2007-09-18 2009-03-31 Технический университет Молдовы Convertor de impedanţă
MD90Z (ro) * 2008-12-04 2010-04-30 Технический университет Молдовы Convertor de admitanţă
MD195Z (ro) * 2009-05-06 2010-11-30 Технический университет Молдовы Convertor de impedanţă
MD248Z (ro) * 2009-07-07 2011-02-28 Технический университет Молдовы Convertor de impedanţă
MD420Z (ro) * 2011-01-11 2012-04-30 Технический университет Молдовы Convertor de impedanţă
  • 2012

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD2130G2 (ro) * 2002-01-23 2003-09-30 Технический университет Молдовы Convertor de impedanţă
MD2462G2 (ro) * 2003-10-09 2004-11-30 Технический университет Молдовы Convertor de impedanţă
MD3111G2 (ro) * 2005-10-04 2007-02-28 Технический университет Молдовы Convertor de admitanţă
MD3154G2 (ro) * 2005-10-04 2007-03-31 Технический университет Молдовы Convertor de impedanţă
MD3173G2 (ro) * 2006-03-21 2007-05-31 Технический университет Молдовы Convertor de impedanţă
MD3461G2 (ro) * 2007-03-02 2008-09-30 Технический университет Молдовы Convertor de admitanţă
MD3689G2 (ro) * 2007-09-18 2009-03-31 Технический университет Молдовы Convertor de impedanţă
MD90Z (ro) * 2008-12-04 2010-04-30 Технический университет Молдовы Convertor de admitanţă
MD195Z (ro) * 2009-05-06 2010-11-30 Технический университет Молдовы Convertor de impedanţă
MD248Z (ro) * 2009-07-07 2011-02-28 Технический университет Молдовы Convertor de impedanţă
MD420Z (ro) * 2011-01-11 2012-04-30 Технический университет Молдовы Convertor de impedanţă

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Гутников В. С. Интегральная электроника в измерительных устройствах. Ленинград, Энергия, 1980, с. 147, 148 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD817Z (ro) * 2014-02-12 2015-04-30 Технический университет Молдовы Convertor de rezistenţă negativă
MD888Z (ro) * 2014-11-05 2015-09-30 Технический университет Молдовы Convertor de impedanţă

Also Published As

Publication number Publication date
MD649Y (ro) 2013-06-30

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Legal Events

Date Code Title Description
FG9Y Short term patent issued
KA4Y Short-term patent lapsed due to non-payment of fees (with right of restoration)