IT1316688B1 - Moltiplicatore analogico a bassa tensione di alimentazione - Google Patents

Moltiplicatore analogico a bassa tensione di alimentazione

Info

Publication number
IT1316688B1
IT1316688B1 IT2000MI000391A ITMI20000391A IT1316688B1 IT 1316688 B1 IT1316688 B1 IT 1316688B1 IT 2000MI000391 A IT2000MI000391 A IT 2000MI000391A IT MI20000391 A ITMI20000391 A IT MI20000391A IT 1316688 B1 IT1316688 B1 IT 1316688B1
Authority
IT
Italy
Prior art keywords
low power
power voltage
analogue multiplier
voltage analogue
multiplier
Prior art date
Application number
IT2000MI000391A
Other languages
English (en)
Inventor
Alessandro Venca
Valerio Pisati
Marco Cazzaniga
Original Assignee
St Microelectronics Srl
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 filed Critical St Microelectronics Srl
Priority to IT2000MI000391A priority Critical patent/IT1316688B1/it
Publication of ITMI20000391A0 publication Critical patent/ITMI20000391A0/it
Priority to EP01100815A priority patent/EP1130768A3/en
Priority to US09/797,204 priority patent/US7061300B2/en
Priority to JP2001052695A priority patent/JP3548127B2/ja
Publication of ITMI20000391A1 publication Critical patent/ITMI20000391A1/it
Application granted granted Critical
Publication of IT1316688B1 publication Critical patent/IT1316688B1/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1433—Balanced arrangements with transistors using bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1491—Arrangements to linearise a transconductance stage of a mixer arrangement
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0086—Reduction or prevention of harmonic frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
IT2000MI000391A 2000-02-29 2000-02-29 Moltiplicatore analogico a bassa tensione di alimentazione IT1316688B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT2000MI000391A IT1316688B1 (it) 2000-02-29 2000-02-29 Moltiplicatore analogico a bassa tensione di alimentazione
EP01100815A EP1130768A3 (en) 2000-02-29 2001-01-15 A low supply voltage analog multiplier
US09/797,204 US7061300B2 (en) 2000-02-29 2001-02-27 Low supply voltage analog multiplier
JP2001052695A JP3548127B2 (ja) 2000-02-29 2001-02-27 低供給電圧アナログ乗算器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000MI000391A IT1316688B1 (it) 2000-02-29 2000-02-29 Moltiplicatore analogico a bassa tensione di alimentazione

Publications (3)

Publication Number Publication Date
ITMI20000391A0 ITMI20000391A0 (it) 2000-02-29
ITMI20000391A1 ITMI20000391A1 (it) 2001-08-29
IT1316688B1 true IT1316688B1 (it) 2003-04-24

Family

ID=11444257

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000MI000391A IT1316688B1 (it) 2000-02-29 2000-02-29 Moltiplicatore analogico a bassa tensione di alimentazione

Country Status (4)

Country Link
US (1) US7061300B2 (it)
EP (1) EP1130768A3 (it)
JP (1) JP3548127B2 (it)
IT (1) IT1316688B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3598973B2 (ja) * 2001-01-10 2004-12-08 ソニー株式会社 利得可変回路
US8179198B2 (en) * 2009-07-31 2012-05-15 Texas Instruments Incorporated Variable gain amplifier having automatic power consumption optimization

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457922B (sv) * 1987-06-18 1989-02-06 Ericsson Telefon Ab L M Anordning vid aktivt filter samt anvaendning daerav
US4978924A (en) * 1989-04-25 1990-12-18 Magni Systems, Inc. Linear switch with high off-state isolation
EP0766382A2 (en) * 1991-05-23 1997-04-02 Nec Corporation Pseudo-logarithmic intermediate-frequency amplifier
JP3037004B2 (ja) * 1992-12-08 2000-04-24 日本電気株式会社 マルチプライヤ
US5302868A (en) * 1993-08-02 1994-04-12 Motorola, Inc. Method and apparatus for providing a representation of an input voltage at a disabled voltage multiplier's output
JP2669397B2 (ja) * 1995-05-22 1997-10-27 日本電気株式会社 バイポーラ・マルチプライヤ
US5742199A (en) * 1995-06-21 1998-04-21 Sony Corporation Filter circuit and electronic apparatus
JPH09219630A (ja) * 1995-12-08 1997-08-19 Nec Corp 差動回路
JP3189710B2 (ja) * 1996-10-11 2001-07-16 日本電気株式会社 アナログ乗算器
US6028459A (en) * 1998-04-20 2000-02-22 National Semiconductor Corporation Track and hold circuit with clamp
US5994959A (en) * 1998-12-18 1999-11-30 Maxim Integrated Products, Inc. Linearized amplifier core
US6563365B2 (en) * 2000-01-11 2003-05-13 Tektronix, Inc. Low-noise four-quadrant multiplier method and apparatus
US6456142B1 (en) * 2000-11-28 2002-09-24 Analog Devices, Inc. Circuit having dual feedback multipliers

Also Published As

Publication number Publication date
ITMI20000391A0 (it) 2000-02-29
US7061300B2 (en) 2006-06-13
EP1130768A2 (en) 2001-09-05
US20010050586A1 (en) 2001-12-13
EP1130768A3 (en) 2003-09-17
JP2001291049A (ja) 2001-10-19
ITMI20000391A1 (it) 2001-08-29
JP3548127B2 (ja) 2004-07-28

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