DE69936324D1 - Verfahren zur Herabsetzung von Störsignalen und Empfänger - Google Patents

Verfahren zur Herabsetzung von Störsignalen und Empfänger

Info

Publication number
DE69936324D1
DE69936324D1 DE69936324T DE69936324T DE69936324D1 DE 69936324 D1 DE69936324 D1 DE 69936324D1 DE 69936324 T DE69936324 T DE 69936324T DE 69936324 T DE69936324 T DE 69936324T DE 69936324 D1 DE69936324 D1 DE 69936324D1
Authority
DE
Germany
Prior art keywords
receiver
interference signals
reducing interference
reducing
signals
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69936324T
Other languages
English (en)
Other versions
DE69936324T2 (de
Inventor
Simo Murtojaervi
Antti Rauhala
Harri Kimppa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69936324D1 publication Critical patent/DE69936324D1/de
Publication of DE69936324T2 publication Critical patent/DE69936324T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03D7/145—Balanced arrangements with transistors using a combination of bipolar transistors and field-effect 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
    • H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
    • 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
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0033—Current mirrors
    • 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
    • H03D2200/0043—Bias and operating point

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
DE69936324T 1998-04-17 1999-04-16 Verfahren zur Herabsetzung von Störsignalen und Empfänger Expired - Lifetime DE69936324T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI980858A FI119214B (fi) 1998-04-17 1998-04-17 Menetelmä harhasignaalien vaimentamista varten ja vastaanotin
FI980858 1998-04-17

Publications (2)

Publication Number Publication Date
DE69936324D1 true DE69936324D1 (de) 2007-08-02
DE69936324T2 DE69936324T2 (de) 2008-02-21

Family

ID=8551535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69936324T Expired - Lifetime DE69936324T2 (de) 1998-04-17 1999-04-16 Verfahren zur Herabsetzung von Störsignalen und Empfänger

Country Status (3)

Country Link
EP (3) EP1811649B1 (de)
DE (1) DE69936324T2 (de)
FI (1) FI119214B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6871057B2 (en) * 2000-03-08 2005-03-22 Nippon Telegraph And Telephone Corporation Mixer circuit
US6931083B1 (en) * 2000-05-26 2005-08-16 Telasic Communications, Inc. Low noise, low distortion, muxable Gilbert mixer signal processing system and method with AGC functionality
FR2814607B1 (fr) * 2000-09-26 2003-02-07 St Microelectronics Sa Polarisation d'un melangeur
US6785530B2 (en) * 2001-03-16 2004-08-31 Skyworks Solutions, Inc. Even-order non-linearity correction feedback for Gilbert style mixers
US7031687B2 (en) 2001-04-18 2006-04-18 Nokia Corporation Balanced circuit arrangement and method for linearizing such an arrangement
US6647273B2 (en) 2001-12-28 2003-11-11 Nokia Corporation Method and apparatus for reducing power consumption in transceivers in wireless communications systems having a power control loop
FR2847744A1 (fr) * 2002-11-26 2004-05-28 St Microelectronics Sa Procede de reduction de la non-linearite d'ordre deux d'un dispositif de transposition de frequence et dispositif correspondant
KR101165485B1 (ko) * 2004-07-06 2012-07-13 에이씨피 어드밴스드 써킷 퍼슛 에이지 균형 혼합기를 사용하는 장비 일체
US7356317B2 (en) 2004-07-14 2008-04-08 Silicon Storage Technology, Inc. Adaptive-biased mixer
DE102005028747B4 (de) * 2005-06-21 2010-12-16 Infineon Technologies Ag Mischeranordnung, Verwendung der Mischeranordnung und Verfahren zur Frequenzumsetzung
US8045944B2 (en) * 2007-09-14 2011-10-25 Qualcomm Incorporated Offset correction for passive mixers
EP2792064A1 (de) 2011-12-15 2014-10-22 Marvell World Trade Ltd. Gegenüber prozess-, temperatur- und lastimpedanzschwankungen beständige hf-stromdetektionsschaltung
GB2557637B (en) * 2016-12-14 2022-06-22 Bae Systems Plc Variable frequency oscillator circuits and methods of generating an oscillating signal of a desired frequency
WO2018109444A1 (en) * 2016-12-14 2018-06-21 Bae Systems Plc Variable frequency oscillator circuits and methods of generating an oscillating signal of a desired frequency
EP3349353A1 (de) * 2017-01-12 2018-07-18 BAE SYSTEMS plc Oszillatorschaltungen mit veränderbarer frequenz und verfahren zur erzeugung eines oszillierenden signals gewünschter frequenz

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5379457A (en) * 1993-06-28 1995-01-03 Hewlett-Packard Company Low noise active mixer
US5392003A (en) * 1993-08-09 1995-02-21 Motorola, Inc. Wide tuning range operational transconductance amplifiers
JP3565281B2 (ja) * 1993-10-08 2004-09-15 ソニー株式会社 受信機
ZA95605B (en) * 1994-04-28 1995-12-20 Qualcomm Inc Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
JPH0856121A (ja) * 1994-08-10 1996-02-27 Advantest Corp 周波数変換器
US5613233A (en) * 1994-09-30 1997-03-18 Rockwell International Corp. Apparatus with distortion cancelling feedback signal
US6138000A (en) * 1995-08-21 2000-10-24 Philips Electronics North America Corporation Low voltage temperature and Vcc compensated RF mixer

Also Published As

Publication number Publication date
EP0951138B1 (de) 2007-06-20
FI119214B (fi) 2008-08-29
EP0951138A1 (de) 1999-10-20
EP1764913A3 (de) 2007-04-04
EP1764913A2 (de) 2007-03-21
DE69936324T2 (de) 2008-02-21
EP1811649A2 (de) 2007-07-25
EP1811649A3 (de) 2007-08-08
EP1811649B1 (de) 2013-09-18
FI980858A0 (fi) 1998-04-17
FI980858A (fi) 1999-10-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition