FI980858A - Förfarande för att minimera jämn vandrarsignal och mottagarapparat - Google Patents

Förfarande för att minimera jämn vandrarsignal och mottagarapparat Download PDF

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Publication number
FI980858A
FI980858A FI980858A FI980858A FI980858A FI 980858 A FI980858 A FI 980858A FI 980858 A FI980858 A FI 980858A FI 980858 A FI980858 A FI 980858A FI 980858 A FI980858 A FI 980858A
Authority
FI
Finland
Prior art keywords
attenuation
receiver
bias signals
bias
signals
Prior art date
Application number
FI980858A
Other languages
English (en)
Finnish (fi)
Other versions
FI119214B (sv
FI980858A0 (fi
Inventor
Simo Murtojaervi
Antti Rauhala
Harri Kimppa
Original Assignee
Nokia Mobile Phones Ltd
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 Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI980858A priority Critical patent/FI119214B/sv
Publication of FI980858A0 publication Critical patent/FI980858A0/fi
Priority to EP99660061A priority patent/EP0951138B1/en
Priority to EP07008103.9A priority patent/EP1811649B1/en
Priority to EP06027107A priority patent/EP1764913A3/en
Priority to DE69936324T priority patent/DE69936324T2/de
Publication of FI980858A publication Critical patent/FI980858A/sv
Application granted granted Critical
Publication of FI119214B publication Critical patent/FI119214B/sv

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)
FI980858A 1998-04-17 1998-04-17 Förfarande för att minimera jämn vandrarsignal och mottagarapparat FI119214B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI980858A FI119214B (sv) 1998-04-17 1998-04-17 Förfarande för att minimera jämn vandrarsignal och mottagarapparat
EP99660061A EP0951138B1 (en) 1998-04-17 1999-04-16 Method for attenuating spurious signals and receiver
EP07008103.9A EP1811649B1 (en) 1998-04-17 1999-04-16 Method for attenuating spurious signals and receiver
EP06027107A EP1764913A3 (en) 1998-04-17 1999-04-16 Receiver for attenuating spurious signals
DE69936324T DE69936324T2 (de) 1998-04-17 1999-04-16 Verfahren zur Herabsetzung von Störsignalen und Empfänger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI980858A FI119214B (sv) 1998-04-17 1998-04-17 Förfarande för att minimera jämn vandrarsignal och mottagarapparat
FI980858 1998-04-17

Publications (3)

Publication Number Publication Date
FI980858A0 FI980858A0 (fi) 1998-04-17
FI980858A true FI980858A (sv) 1999-10-18
FI119214B FI119214B (sv) 2008-08-29

Family

ID=8551535

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980858A FI119214B (sv) 1998-04-17 1998-04-17 Förfarande för att minimera jämn vandrarsignal och mottagarapparat

Country Status (3)

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

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
DE602005006585D1 (de) * 2004-07-06 2008-06-19 Acp Advanced Circuit Pursuit A Symmetrischer mischer mit fets
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
JP6205659B2 (ja) * 2011-12-15 2017-10-04 マーベル ワールド トレード リミテッド プロセス、温度、及び負荷インピーダンスの変動に対して無感応のｒｆ電力検出回路
CA3045935A1 (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 (en) * 2017-01-12 2018-07-18 BAE SYSTEMS plc Variable frequency oscillator circuits and methods of generating an oscillating signal of a desired frequency
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

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
DE69936324T2 (de) 2008-02-21
EP1811649A3 (en) 2007-08-08
EP0951138A1 (en) 1999-10-20
FI119214B (sv) 2008-08-29
EP0951138B1 (en) 2007-06-20
DE69936324D1 (de) 2007-08-02
FI980858A0 (fi) 1998-04-17
EP1764913A3 (en) 2007-04-04
EP1811649B1 (en) 2013-09-18
EP1764913A2 (en) 2007-03-21
EP1811649A2 (en) 2007-07-25

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