FI925956A - Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi - Google Patents

Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi Download PDF

Info

Publication number
FI925956A
FI925956A FI925956A FI925956A FI925956A FI 925956 A FI925956 A FI 925956A FI 925956 A FI925956 A FI 925956A FI 925956 A FI925956 A FI 925956A FI 925956 A FI925956 A FI 925956A
Authority
FI
Finland
Prior art keywords
filter
combiner
pct
measuring
tuning
Prior art date
Application number
FI925956A
Other languages
English (en)
Swedish (sv)
Other versions
FI94690B (fi
FI94690C (fi
FI925956A0 (fi
Inventor
Pekka Heikkilae
Eero Koukkari
Seppo Nousiainen
Juha Vasanoja
Martti Kainulainen
Jukka Kylloenen
Teuvo Haukipuro
Esa Niemitalo
Harri Tikka
Original Assignee
Nokia Telecommunications Oy
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 Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI925956A0 publication Critical patent/FI925956A0/fi
Priority to FI925956A priority Critical patent/FI94690C/fi
Priority to JP06515712A priority patent/JP3078839B2/ja
Priority to DE69320636T priority patent/DE69320636T2/de
Priority to AU57013/94A priority patent/AU674375B2/en
Priority to AT94902794T priority patent/ATE170346T1/de
Priority to US08/295,665 priority patent/US5525940A/en
Priority to EP94902794A priority patent/EP0647373B1/en
Priority to PCT/FI1993/000567 priority patent/WO1994016497A1/en
Publication of FI925956A publication Critical patent/FI925956A/fi
Priority to NO943192A priority patent/NO306889B1/no
Publication of FI94690B publication Critical patent/FI94690B/fi
Application granted granted Critical
Publication of FI94690C publication Critical patent/FI94690C/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies

Landscapes

  • Networks Using Active Elements (AREA)
  • Transmitters (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Filters And Equalizers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI925956A 1992-12-30 1992-12-30 Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi FI94690C (fi)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI925956A FI94690C (fi) 1992-12-30 1992-12-30 Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi
AT94902794T ATE170346T1 (de) 1992-12-30 1993-12-29 Vorrichtung und verfahren zum abstimmen eines mischerfilters
DE69320636T DE69320636T2 (de) 1992-12-30 1993-12-29 Vorrichtung und verfahren zum abstimmen eines mischerfilters
AU57013/94A AU674375B2 (en) 1992-12-30 1993-12-29 Device and method for tuning a combiner filter
JP06515712A JP3078839B2 (ja) 1992-12-30 1993-12-29 コンバイナフィルタを同調する装置及び方法
US08/295,665 US5525940A (en) 1992-12-30 1993-12-29 Device and method for tuning a combiner filter
EP94902794A EP0647373B1 (en) 1992-12-30 1993-12-29 Device and method for tuning a combiner filter
PCT/FI1993/000567 WO1994016497A1 (en) 1992-12-30 1993-12-29 Device and method for tuning a combiner filter
NO943192A NO306889B1 (no) 1992-12-30 1994-08-29 Anordning for regulering av et kombineringsfilter, samt fremgangsmåte for isolasjonsmåling på radiosendere

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI925956 1992-12-30
FI925956A FI94690C (fi) 1992-12-30 1992-12-30 Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi

Publications (4)

Publication Number Publication Date
FI925956A0 FI925956A0 (fi) 1992-12-30
FI925956A true FI925956A (fi) 1994-07-01
FI94690B FI94690B (fi) 1995-06-30
FI94690C FI94690C (fi) 1995-10-10

Family

ID=8536491

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925956A FI94690C (fi) 1992-12-30 1992-12-30 Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi

Country Status (9)

Country Link
US (1) US5525940A (fi)
EP (1) EP0647373B1 (fi)
JP (1) JP3078839B2 (fi)
AT (1) ATE170346T1 (fi)
AU (1) AU674375B2 (fi)
DE (1) DE69320636T2 (fi)
FI (1) FI94690C (fi)
NO (1) NO306889B1 (fi)
WO (1) WO1994016497A1 (fi)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI93064C (fi) * 1992-12-30 1995-02-10 Nokia Telecommunications Oy Laite ja menetelmä kaistanpäästösuodattimen, erityisesti kompainerisuodattimen säätämiseksi
JP2728018B2 (ja) * 1995-04-18 1998-03-18 日本電気株式会社 送信回路
FI107766B (fi) * 1998-01-28 2001-09-28 Nokia Networks Oy Viritysmenetelmä ja lähetinvastaanotinyksikkö
SE0004481D0 (sv) * 2000-12-05 2000-12-05 Ericsson Telefon Ab L M A method and a device for tuning a cavity channel filter combiner
SE519892C2 (sv) * 2000-12-15 2003-04-22 Allgon Ab Metod för att avstämma ett radiofilter, ett radiofilter och ett system innefattande ett sådant radiofilter.
CN1572107A (zh) * 2001-10-16 2005-01-26 Rf信息公司 在单片集成电路中实现接收机功能的方法与装置
US7199844B2 (en) * 2002-05-28 2007-04-03 Rfstream Corporation Quadratic nyquist slope filter
WO2003103131A2 (en) * 2002-05-29 2003-12-11 Ukom, Inc. Image rejection quadratic filter
US6750734B2 (en) * 2002-05-29 2004-06-15 Ukom, Inc. Methods and apparatus for tuning an LC filter
WO2003103143A1 (en) * 2002-05-29 2003-12-11 Ukom, Inc. Methods and apparatus for tuning using successive aproximation
US6882245B2 (en) * 2002-06-05 2005-04-19 Rf Stream Corporation Frequency discrete LC filter bank
AU2003243422A1 (en) * 2002-06-05 2003-12-22 Rfstream Corporation Quadratic video demodulation with baseband nyquist filter
US20050012676A1 (en) * 2003-07-16 2005-01-20 Mccarthy Robert Daniel N-port signal divider/combiner
US6940365B2 (en) * 2003-07-18 2005-09-06 Rfstream Corporation Methods and apparatus for an improved discrete LC filter
US20060217095A1 (en) * 2005-03-11 2006-09-28 Takatsuga Kamata Wideband tuning circuit
EP1861925A2 (en) * 2005-03-11 2007-12-05 Corporation Rfstream Radio frequency inductive-capacitive filter circuit topology
US7358795B2 (en) * 2005-03-11 2008-04-15 Rfstream Corporation MOSFET temperature compensation current source
DE102009018648B4 (de) * 2009-04-23 2018-11-29 Snaptrack, Inc. Frontendmodul mit Antennentuner
US9136815B2 (en) 2012-06-13 2015-09-15 Nokia Technologies Oy Methods and apparatuses for implementing variable bandwidth RF tracking filters for reconfigurable multi-standard radios
US9136825B2 (en) * 2012-06-13 2015-09-15 Nokia Technologies Oy Method and device for implementing tracking filters and RF front end of software defined radios
US9407482B2 (en) 2013-11-11 2016-08-02 Nokia Technologies Oy Tunable RF N-path filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715690A (en) * 1971-05-18 1973-02-06 Trw Inc Automatic tuning electric wave filter
US4726071A (en) * 1984-12-31 1988-02-16 Orion Industries, Inc. Microprocessor controlled self-tuning resonant cavity and method
SE467717B (sv) * 1990-12-21 1992-08-31 Ericsson Telefon Ab L M Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner
FI87864C (fi) * 1991-05-09 1993-02-25 Telenokia Oy Anordning och foerfarande foer reglering av ett bandpassfilter, saerskilt ett kombinatorfilter

Also Published As

Publication number Publication date
US5525940A (en) 1996-06-11
FI94690B (fi) 1995-06-30
FI94690C (fi) 1995-10-10
WO1994016497A1 (en) 1994-07-21
ATE170346T1 (de) 1998-09-15
AU674375B2 (en) 1996-12-19
JP3078839B2 (ja) 2000-08-21
AU5701394A (en) 1994-08-15
NO943192D0 (no) 1994-08-29
EP0647373B1 (en) 1998-08-26
FI925956A0 (fi) 1992-12-30
NO943192L (no) 1994-10-28
DE69320636D1 (de) 1998-10-01
JPH07504557A (ja) 1995-05-18
EP0647373A1 (en) 1995-04-12
NO306889B1 (no) 2000-01-03
DE69320636T2 (de) 1999-02-11

Similar Documents

Publication Publication Date Title
FI925956A0 (fi) Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi
FI943196A (fi) Vastaanottomenetelmä
SE9903348L (sv) Apparat och metod för detektering av främmande kroppar i produkter
SE9502870D0 (sv) Förfarande och anordning för digital behandling av signaler i ett radiokommunikationssystem
US4210910A (en) Decoder for a space retrodirective array
CA2232159A1 (en) Method for independently controlling the wavelength component powers in an optical wavelength division multiplexed transmission system
EP0910183A3 (en) Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus
EP1022606A3 (en) System and method for optical monitoring
KR100195857B1 (ko) 파장 분할 멀티플렉스 시스템에서 파장 조정을 위한 장치 및 방법
US6766115B1 (en) Multiport optical component testing using a single optical receiver
SU985953A2 (ru) Устройство дл контрол амплитудно-частотных характеристик каналов св зи
FI883403A (fi) Kallhaerdande formaemne-bindemedel och dess anvaendning.
EP0485850A3 (en) Method and apparatus for measuring the attenuating of an optical medium
SU588528A1 (ru) Измеритель неравномерности группового времени запаздывани
SU924877A1 (ru) Устройство дл измерени фазовых искажений каналов св зи
RU1841363C (ru) Широкополосный измеритель частоты
VANHOENACKER et al. Correlation between various radioelectrical data at 11. 4, 11. 6, and 35 GHz(OTS and radiometer data)
JP3433972B2 (ja) 分岐線路型受信用，送信用分波器の電気的特性調整方法
FI964564A0 (fi) Vastaanottomenetelmä ja vastaanotin
FR2373934A1 (fr) Dispositif de filtrage pour la detection de plusieurs frequences
GB1082566A (en) Method of, and circuitry for, the measurement of intermodulation noises
Solie et al. Applications Of Surface Acoustic Wave (SAW) Multiplexers In Frequency Modulated Continuous Wave (FMCW) Radar Systems
KR970055816A (ko) 위성통신 시스템의 이중화된 수신 중간주파수 분배장치
SE9701539L (sv) Anordning och förfarande för filtrering av en mottagen signal
JPS5721128A (en) Switching circuit

Legal Events

Date Code Title Description
BB Publication of examined application