IT1403945B1 - Comparatore di una differenza di tensioni di ingresso con almeno una soglia - Google Patents

Comparatore di una differenza di tensioni di ingresso con almeno una soglia

Info

Publication number
IT1403945B1
IT1403945B1 ITMI2011A000234A ITMI20110234A IT1403945B1 IT 1403945 B1 IT1403945 B1 IT 1403945B1 IT MI2011A000234 A ITMI2011A000234 A IT MI2011A000234A IT MI20110234 A ITMI20110234 A IT MI20110234A IT 1403945 B1 IT1403945 B1 IT 1403945B1
Authority
IT
Italy
Prior art keywords
comparator
voltages
entry
threshold
difference
Prior art date
Application number
ITMI2011A000234A
Other languages
English (en)
Inventor
Giorgio Oddone
Alberto Riva
Domenico Attianese
Original Assignee
St Microelectronics Srl
Dora Spa
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 St Microelectronics Srl, Dora Spa filed Critical St Microelectronics Srl
Priority to ITMI2011A000234A priority Critical patent/IT1403945B1/it
Priority to US13/398,694 priority patent/US20120212259A1/en
Publication of ITMI20110234A1 publication Critical patent/ITMI20110234A1/it
Application granted granted Critical
Publication of IT1403945B1 publication Critical patent/IT1403945B1/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/10—Measuring sum, difference or ratio
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45183—Long tailed pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
    • H03K5/2481—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors with at least one differential stage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45394—Indexing scheme relating to differential amplifiers the AAC of the dif amp comprising FETs whose sources are not coupled, i.e. the AAC being a pseudo-differential amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45498—Indexing scheme relating to differential amplifiers the CSC comprising only resistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45646—Indexing scheme relating to differential amplifiers the LC comprising an extra current source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45702—Indexing scheme relating to differential amplifiers the LC comprising two resistors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Amplifiers (AREA)
ITMI2011A000234A 2011-02-17 2011-02-17 Comparatore di una differenza di tensioni di ingresso con almeno una soglia IT1403945B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI2011A000234A IT1403945B1 (it) 2011-02-17 2011-02-17 Comparatore di una differenza di tensioni di ingresso con almeno una soglia
US13/398,694 US20120212259A1 (en) 2011-02-17 2012-02-16 Comparator of a difference of input voltages with at least a threshold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2011A000234A IT1403945B1 (it) 2011-02-17 2011-02-17 Comparatore di una differenza di tensioni di ingresso con almeno una soglia

Publications (2)

Publication Number Publication Date
ITMI20110234A1 ITMI20110234A1 (it) 2012-08-18
IT1403945B1 true IT1403945B1 (it) 2013-11-08

Family

ID=43976138

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2011A000234A IT1403945B1 (it) 2011-02-17 2011-02-17 Comparatore di una differenza di tensioni di ingresso con almeno una soglia

Country Status (2)

Country Link
US (1) US20120212259A1 (it)
IT (1) IT1403945B1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9753481B2 (en) * 2014-07-10 2017-09-05 HGST, Inc. NMOS regulated voltage reference
US9647699B1 (en) * 2015-12-30 2017-05-09 Stmicroelectronics International N.V. Dual supply voltage power harvesting in an open drain transmitter circuit
DE102018204782A1 (de) * 2018-03-28 2019-10-02 Robert Bosch Gmbh Detektorschaltung und System zur galvanisch-getrennten Übertragung digitaler Signale
US10972086B2 (en) 2019-04-08 2021-04-06 Texas Instruments Incorporated Comparator low power response
US10972815B2 (en) * 2019-05-01 2021-04-06 Semtech Corporation Signal detection for GPON optical line terminal
US10996266B2 (en) * 2019-08-09 2021-05-04 Stmicroelectronics International N.V. System and method for testing voltage monitors
CN115913398B (zh) * 2022-11-30 2024-07-09 深圳数马电子技术有限公司 载波强度检测电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07245558A (ja) * 1994-03-03 1995-09-19 Hitachi Ltd 半導体装置の入力回路
US5517134A (en) * 1994-09-16 1996-05-14 Texas Instruments Incorporated Offset comparator with common mode voltage stability
KR100372633B1 (ko) * 2000-07-20 2003-02-17 주식회사 하이닉스반도체 오프셋 전압을 갖는 비교기
US6388522B1 (en) * 2000-08-23 2002-05-14 Texas Instruments Incorporated Common mode feedback bias for low voltage opamps
US6377085B1 (en) * 2000-11-06 2002-04-23 Oki Semiconductor Precision bias for an transconductor
JP2002185260A (ja) * 2000-12-19 2002-06-28 Canon Inc 増幅器及び撮像装置
JP3687545B2 (ja) * 2001-02-05 2005-08-24 セイコーエプソン株式会社 コンパレータ回路
US6583651B1 (en) * 2001-12-07 2003-06-24 Stmicroelectronics, Inc. Neural network output sensing and decision circuit and method

Also Published As

Publication number Publication date
ITMI20110234A1 (it) 2012-08-18
US20120212259A1 (en) 2012-08-23

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