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DE69424622D1 - Frequenzumsetzer mit Beseitigung der Spiegelfrequenz als mehrbandiger Empfänger - Google Patents

Frequenzumsetzer mit Beseitigung der Spiegelfrequenz als mehrbandiger Empfänger

Info

Publication number
DE69424622D1
DE69424622D1 DE69424622T DE69424622T DE69424622D1 DE 69424622 D1 DE69424622 D1 DE 69424622D1 DE 69424622 T DE69424622 T DE 69424622T DE 69424622 T DE69424622 T DE 69424622T DE 69424622 D1 DE69424622 D1 DE 69424622D1
Authority
DE
Germany
Prior art keywords
frequency
elimination
band receiver
frequency converter
image
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 - Fee Related
Application number
DE69424622T
Other languages
English (en)
Other versions
DE69424622T2 (de
Inventor
Mikko Pesola
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 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
Publication of DE69424622D1 publication Critical patent/DE69424622D1/de
Application granted granted Critical
Publication of DE69424622T2 publication Critical patent/DE69424622T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • 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
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
DE69424622T 1993-11-01 1994-11-01 Frequenzumsetzer mit Beseitigung der Spiegelfrequenz als mehrbandiger Empfänger Expired - Fee Related DE69424622T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI934832A FI109736B (fi) 1993-11-01 1993-11-01 Vastaanottimen taajuusalueen ja kaistanleveyden vaihto peilitaajuutta vaimentavan sekoittimen avulla

Publications (2)

Publication Number Publication Date
DE69424622D1 true DE69424622D1 (de) 2000-06-29
DE69424622T2 DE69424622T2 (de) 2001-03-15

Family

ID=8538885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424622T Expired - Fee Related DE69424622T2 (de) 1993-11-01 1994-11-01 Frequenzumsetzer mit Beseitigung der Spiegelfrequenz als mehrbandiger Empfänger

Country Status (5)

Country Link
US (1) US6374093B1 (de)
EP (1) EP0651522B1 (de)
DE (1) DE69424622T2 (de)
ES (1) ES2145812T3 (de)
FI (1) FI109736B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937341A (en) 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
US6633550B1 (en) 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
US6442382B1 (en) * 1997-06-27 2002-08-27 Agere Systems Guardian Corp. Filter switching system and method
DK0932251T3 (da) 1998-01-23 2005-05-23 Siemens Ag Radiosender og radiomodtager
GB2338853B (en) 1998-06-18 2002-11-06 Ericsson Telefon Ab L M Radio receiver
JP3638091B2 (ja) * 1999-03-25 2005-04-13 松下電器産業株式会社 マルチバンドデータ通信装置、マルチバンドデータ通信装置の通信方法および記録媒体
US7184724B1 (en) 2000-04-18 2007-02-27 Microtune (Texas), L.P. System and method for frequency translation using an image reject mixer
DE60037722T2 (de) * 2000-05-17 2009-01-15 Sony Deutschland Gmbh AM Empfänger
SE519614C2 (sv) * 2001-07-18 2003-03-18 Spirea Ab Flerstandardssändtagare med trebandsarkitektur för WLAN
US6737922B2 (en) * 2002-01-28 2004-05-18 Cree Microwave, Inc. N-way RF power amplifier circuit with increased back-off capability and power added efficiency using unequal input power division
US7167698B2 (en) * 2002-11-07 2007-01-23 Northrop Grumman Corporation Balanced sub-harmonic mixer
US20050143038A1 (en) * 2003-12-29 2005-06-30 Transcore Very low intermediate frequency image rejection receiver with image interference detection and avoidance
US7272375B2 (en) 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
KR100604396B1 (ko) 2005-05-06 2006-07-25 진주산업대학교 산학협력단 무선주파수 누설성분이 억제된 마이크로파 공액 위상변위기
US10629978B2 (en) * 2017-10-30 2020-04-21 International Business Machines Corporation Multi-path interferometric Josephson isolator based on nondegenerate three-wave mixing Josephson devices
US10311379B1 (en) 2017-12-01 2019-06-04 International Business Machines Corporation Isolation of frequency multiplexed microwave signals using cascading multi-path interferometric josephson isolators with nonoverlapping bandwidths
US10396731B2 (en) 2017-12-01 2019-08-27 International Business Machines Corporation Selective amplification of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson directional amplifiers with nonoverlapping bandwidths
US10511072B2 (en) 2017-12-01 2019-12-17 International Business Machines Corporation Switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths
US10396732B2 (en) 2017-12-01 2019-08-27 International Business Machines Corporation Amplification of frequency multiplexed microwave signals using cascading multi-path interferometric josephson directional amplifiers with nonoverlapping bandwidths
US10262275B1 (en) 2017-12-01 2019-04-16 International Business Machines Corporation Selective switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths
US10169722B1 (en) 2017-12-01 2019-01-01 International Business Machines Corporation Selective isolation of frequency multiplexed microwave signals using cascading multi-path interferometric josephson isolators with nonoverlapping bandwidths
US10855317B2 (en) * 2018-04-05 2020-12-01 Swiftlink Technologies Inc. Broadband receiver for multi-band millimeter-wave wireless communication

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135158A (en) 1975-06-02 1979-01-16 Motorola, Inc. Universal automotive electronic radio
JPS5826699B2 (ja) * 1975-11-13 1983-06-04 ソニー株式会社 チユ−ナ
US4207532A (en) * 1978-12-14 1980-06-10 Rca Corporation Frequency signal splitting circuit
JPS63138819A (ja) * 1986-11-29 1988-06-10 Murata Mfg Co Ltd テレビチユ−ナ−
IT1233437B (it) 1987-12-24 1992-03-31 Gte Telecom Spa Perfezionamento a un convertitore armonico di frequenza a soppressione di immagine operante nel campo delle microonde.
IT1239637B (it) 1990-02-21 1993-11-11 Sits Soc It Telecom Siemens Convertitore di frequenza a reiezione d'immagine realizzato in tecnologia planare
US5214796A (en) 1991-03-29 1993-05-25 Motorola, Inc. Image separation mixer
JPH05102899A (ja) * 1991-08-16 1993-04-23 Shiyoudenriyoku Kosoku Tsushin Kenkyusho:Kk 多周波通信方式
JPH0583153A (ja) * 1991-09-19 1993-04-02 Toshiba Corp 広帯域同調回路

Also Published As

Publication number Publication date
US6374093B1 (en) 2002-04-16
FI934832A (fi) 1995-05-02
ES2145812T3 (es) 2000-07-16
EP0651522A1 (de) 1995-05-03
DE69424622T2 (de) 2001-03-15
EP0651522B1 (de) 2000-05-24
FI109736B (fi) 2002-09-30
FI934832A0 (fi) 1993-11-01

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee