[go: up one dir, main page]

FI934832A - Skifte av frekvensomraode och bandbredd i en mottagare med en blandare som daempar som daempar spegelfrekvensen - Google Patents

Skifte av frekvensomraode och bandbredd i en mottagare med en blandare som daempar som daempar spegelfrekvensen Download PDF

Info

Publication number
FI934832A
FI934832A FI934832A FI934832A FI934832A FI 934832 A FI934832 A FI 934832A FI 934832 A FI934832 A FI 934832A FI 934832 A FI934832 A FI 934832A FI 934832 A FI934832 A FI 934832A
Authority
FI
Finland
Prior art keywords
bandwidth
receiver
changing
frequency
attenuator
Prior art date
Application number
FI934832A
Other languages
English (en)
Finnish (fi)
Other versions
FI109736B (sv
FI934832A0 (fi
Inventor
Mikko Pesola
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 FI934832A priority Critical patent/FI109736B/sv
Publication of FI934832A0 publication Critical patent/FI934832A0/fi
Priority to US08/330,972 priority patent/US6374093B1/en
Priority to ES94308041T priority patent/ES2145812T3/es
Priority to EP94308041A priority patent/EP0651522B1/en
Priority to DE69424622T priority patent/DE69424622T2/de
Publication of FI934832A publication Critical patent/FI934832A/sv
Application granted granted Critical
Publication of FI109736B publication Critical patent/FI109736B/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/26Circuits for superheterodyne receivers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18Modifications 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)
FI934832A 1993-11-01 1993-11-01 Skifte av frekvensområde och bandbredd i en mottagare med en blandare som dämpar spegelfrekvensen FI109736B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI934832A FI109736B (sv) 1993-11-01 1993-11-01 Skifte av frekvensområde och bandbredd i en mottagare med en blandare som dämpar spegelfrekvensen
US08/330,972 US6374093B1 (en) 1993-11-01 1994-10-28 Shifting of frequency range and bandwidth of receivers using a mixer attenuating the image frequency
ES94308041T ES2145812T3 (es) 1993-11-01 1994-11-01 Convertidor de frecuencia para rechazo de frecuencias imagen utilizado como receptor multibanda.
EP94308041A EP0651522B1 (en) 1993-11-01 1994-11-01 Image rejection frequency converter as multi-band receiver
DE69424622T DE69424622T2 (de) 1993-11-01 1994-11-01 Frequenzumsetzer mit Beseitigung der Spiegelfrequenz als mehrbandiger Empfänger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI934832A FI109736B (sv) 1993-11-01 1993-11-01 Skifte av frekvensområde och bandbredd i en mottagare med en blandare som dämpar spegelfrekvensen
FI934832 1993-11-01

Publications (3)

Publication Number Publication Date
FI934832A0 FI934832A0 (fi) 1993-11-01
FI934832A true FI934832A (sv) 1995-05-02
FI109736B FI109736B (sv) 2002-09-30

Family

ID=8538885

Family Applications (1)

Application Number Title Priority Date Filing Date
FI934832A FI109736B (sv) 1993-11-01 1993-11-01 Skifte av frekvensområde och bandbredd i en mottagare med en blandare som dämpar spegelfrekvensen

Country Status (5)

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

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
ES2145812T3 (es) 2000-07-16
DE69424622D1 (de) 2000-06-29
EP0651522A1 (en) 1995-05-03
DE69424622T2 (de) 2001-03-15
EP0651522B1 (en) 2000-05-24
FI109736B (sv) 2002-09-30
FI934832A0 (fi) 1993-11-01

Similar Documents

Publication Publication Date Title
FI934832A (sv) Skifte av frekvensomraode och bandbredd i en mottagare med en blandare som daempar som daempar spegelfrekvensen
DE69313901D1 (de) Hochfrequenzsignal-Übertragungsband
DE69328406D1 (de) Frequenzdiversitysender und -Empfänger
DE69720302T2 (de) Übertragung und/oder Empfang von Signalen
FI945235A0 (sv) Digital flerkanalssändare och -mottagare
BR9704768A (pt) Filtro com frequência central sintonizável e/ou largura de faixa de sintonizável
DE69431022D1 (de) Funkfrequenzfilter
FI930944A0 (sv) Radiofrekvensfilter
DE69624020D1 (de) Nullzwischenfrequenz-Empfänger
AU2257192A (en) Extended frequency range helmholtz resonators
FI933987A0 (sv) Koppling för elektrisk frekvensreglering av en transmissionsledningsresonator samt ett reglerbart filter
BR9405981A (pt) Conjunto de circuitos de acoplador de sinais de radiofrequência e conjunto de circuitos de transmissão
KR950702266A (ko) 무향 구조체와 무향실
FI960947A (sv) En sändaremottagare med växelbar frekvensband och bandbredd
FI960282A (sv) Inmatningstratt och förfarande
DE59407500D1 (de) Hochfrequenzempfänger
FI965170A0 (sv) Tunn mottagaranordning och sändningsanordning
DE69408613D1 (de) Hochfrequenzübertragungskabel
AU8995298A (en) Lightweight tennis racket having high frequency
AU3047792A (en) Combinations of herbicides and crop-protecting substances
DE69428224D1 (de) Schmalbandiges Filter mit variabler Zentralfrequenz
DE69414032D1 (de) Hochfrequenzverstärker
GB9423568D0 (en) Variable attenuator
NO973960D0 (no) Flergrenet og frekvenshoppende mottaker
FI961592A (sv) Sändnings- och mottagningsenhet av signaler