FI925955A0 - Förfarande och arrangemang för reglering av ett bandpassfilter, speciellt ett kompainerfilter - Google Patents

Förfarande och arrangemang för reglering av ett bandpassfilter, speciellt ett kompainerfilter

Info

Publication number
FI925955A0
FI925955A0 FI925955A FI925955A FI925955A0 FI 925955 A0 FI925955 A0 FI 925955A0 FI 925955 A FI925955 A FI 925955A FI 925955 A FI925955 A FI 925955A FI 925955 A0 FI925955 A0 FI 925955A0
Authority
FI
Finland
Prior art keywords
signal
bandpass filter
pct
signals
filter
Prior art date
Application number
FI925955A
Other languages
English (en)
Finnish (fi)
Other versions
FI93064B (sv
FI93064C (sv
FI925955A (sv
Inventor
Eero Koukkari
Pekka Heikkilae
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 FI925955A0 publication Critical patent/FI925955A0/sv
Priority to FI925955A priority Critical patent/FI93064C/sv
Priority to DE69324379T priority patent/DE69324379T2/de
Priority to AU58165/94A priority patent/AU679203B2/en
Priority to PCT/FI1993/000566 priority patent/WO1994016496A1/en
Priority to AT94903898T priority patent/ATE178744T1/de
Priority to US08/481,262 priority patent/US5757247A/en
Priority to JP6515711A priority patent/JPH08505495A/ja
Priority to EP94903898A priority patent/EP0679297B1/en
Publication of FI925955A publication Critical patent/FI925955A/sv
Publication of FI93064B publication Critical patent/FI93064B/sv
Application granted granted Critical
Publication of FI93064C publication Critical patent/FI93064C/sv
Priority to NO19952616A priority patent/NO310270B1/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter

Landscapes

  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Transmitters (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Paper (AREA)
  • Fats And Perfumes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
FI925955A 1992-12-30 1992-12-30 Förfarande och arrangemang för reglering av ett bandpassfilter, speciellt ett kompainerfilter FI93064C (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI925955A FI93064C (sv) 1992-12-30 1992-12-30 Förfarande och arrangemang för reglering av ett bandpassfilter, speciellt ett kompainerfilter
AT94903898T ATE178744T1 (de) 1992-12-30 1993-12-29 Verfahren und vorrichtung zum abstimmen eines bandpassfilters
AU58165/94A AU679203B2 (en) 1992-12-30 1993-12-29 Device and method for tuning a band-pass filter
PCT/FI1993/000566 WO1994016496A1 (en) 1992-12-30 1993-12-29 Device and method for tuning a band-pass filter
DE69324379T DE69324379T2 (de) 1992-12-30 1993-12-29 Verfahren und vorrichtung zum abstimmen eines bandpassfilters
US08/481,262 US5757247A (en) 1992-12-30 1993-12-29 Device and method for tuning a band-pass filter utilizing mixing results with DC component removed
JP6515711A JPH08505495A (ja) 1992-12-30 1993-12-29 バンドパスフィルタを同調させるための装置および方法
EP94903898A EP0679297B1 (en) 1992-12-30 1993-12-29 Device and method for tuning a band-pass filter
NO19952616A NO310270B1 (no) 1992-12-30 1995-06-29 Anordning og fremgangsmåte for avstemming av et båndpassfilter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI925955A FI93064C (sv) 1992-12-30 1992-12-30 Förfarande och arrangemang för reglering av ett bandpassfilter, speciellt ett kompainerfilter
FI925955 1992-12-30

Publications (4)

Publication Number Publication Date
FI925955A0 true FI925955A0 (sv) 1992-12-30
FI925955A FI925955A (sv) 1994-07-01
FI93064B FI93064B (sv) 1994-10-31
FI93064C FI93064C (sv) 1995-02-10

Family

ID=8536490

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925955A FI93064C (sv) 1992-12-30 1992-12-30 Förfarande och arrangemang för reglering av ett bandpassfilter, speciellt ett kompainerfilter

Country Status (9)

Country Link
US (1) US5757247A (sv)
EP (1) EP0679297B1 (sv)
JP (1) JPH08505495A (sv)
AT (1) ATE178744T1 (sv)
AU (1) AU679203B2 (sv)
DE (1) DE69324379T2 (sv)
FI (1) FI93064C (sv)
NO (1) NO310270B1 (sv)
WO (1) WO1994016496A1 (sv)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI94807C (sv) * 1992-12-30 1995-10-25 Nokia Telecommunications Oy Förfarande och anordning för avstämning/avpassning av ett kompainerfilter
FI107766B (sv) * 1998-01-28 2001-09-28 Nokia Networks Oy Förfarande för avstämning och sändtagarenhet
US6255635B1 (en) 1998-07-10 2001-07-03 Ameritherm, Inc. System and method for providing RF power to a load
SE0000585D0 (sv) * 2000-02-23 2000-02-23 Ericsson Telefon Ab L M Tuning method and system
US6757910B1 (en) * 2000-06-08 2004-06-29 C-Cor.Net Corporation Adaptive filter for reducing ingress noise in CATV return signals
JP3622728B2 (ja) * 2002-01-30 2005-02-23 日本電気株式会社 受信機のベースバンド回路及びその低域遮断周波数制御方法
US7139542B2 (en) * 2003-03-03 2006-11-21 Nokia Corporation Method and apparatus for compensating DC level in an adaptive radio receiver
KR100785079B1 (ko) * 2006-04-04 2007-12-12 삼성전자주식회사 부하의 임피던스 정합시스템 및 정합방법과, 이를 적용한네트워크 분석기
KR100825508B1 (ko) * 2006-11-10 2008-04-25 박진우 대역 통과 표본화에 의한 복수의 무선 처리 신호들에 대한동시 하향 변환 장치 및 방법
WO2011150952A1 (en) * 2010-05-31 2011-12-08 Prism Microwave Oy Tuning system of resonator filters
EP2649727A4 (en) * 2010-12-10 2017-05-17 Wispry, Inc. Mems tunable notch filter frequency automatic control loop systems and methods
US9031523B2 (en) * 2012-06-26 2015-05-12 Htc Corporation Systems and methods for determining antenna impedance
US8743746B2 (en) 2012-07-25 2014-06-03 Blackberry Limited Transceiver filter and tuning
US9825656B2 (en) 2013-08-01 2017-11-21 Qorvo Us, Inc. Weakly coupled tunable RF transmitter architecture
US9899133B2 (en) 2013-08-01 2018-02-20 Qorvo Us, Inc. Advanced 3D inductor structures with confined magnetic field
US9780756B2 (en) 2013-08-01 2017-10-03 Qorvo Us, Inc. Calibration for a tunable RF filter structure
US9705478B2 (en) 2013-08-01 2017-07-11 Qorvo Us, Inc. Weakly coupled tunable RF receiver architecture
US9755671B2 (en) 2013-08-01 2017-09-05 Qorvo Us, Inc. VSWR detector for a tunable filter structure
US9871499B2 (en) 2013-03-15 2018-01-16 Qorvo Us, Inc. Multi-band impedance tuners using weakly-coupled LC resonators
US9419578B2 (en) 2013-06-06 2016-08-16 Qorvo Us, Inc. Tunable RF filter paths for tunable RF filter structures
WO2014145633A1 (en) 2013-03-15 2014-09-18 Rf Micro Devices, Inc. Weakly coupled based harmonic rejection filter for feedback linearization power amplifier
US9628045B2 (en) 2013-08-01 2017-04-18 Qorvo Us, Inc. Cooperative tunable RF filters
US9685928B2 (en) 2013-08-01 2017-06-20 Qorvo Us, Inc. Interference rejection RF filters
US9774311B2 (en) * 2013-03-15 2017-09-26 Qorvo Us, Inc. Filtering characteristic adjustments of weakly coupled tunable RF filters
US9859863B2 (en) 2013-03-15 2018-01-02 Qorvo Us, Inc. RF filter structure for antenna diversity and beam forming
US9966981B2 (en) 2013-06-06 2018-05-08 Qorvo Us, Inc. Passive acoustic resonator based RF receiver
US9780817B2 (en) 2013-06-06 2017-10-03 Qorvo Us, Inc. RX shunt switching element-based RF front-end circuit
US9800282B2 (en) 2013-06-06 2017-10-24 Qorvo Us, Inc. Passive voltage-gain network
US9705542B2 (en) 2013-06-06 2017-07-11 Qorvo Us, Inc. Reconfigurable RF filter
US10796835B2 (en) 2015-08-24 2020-10-06 Qorvo Us, Inc. Stacked laminate inductors for high module volume utilization and performance-cost-size-processing-time tradeoff
US11139238B2 (en) 2016-12-07 2021-10-05 Qorvo Us, Inc. High Q factor inductor structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923277A1 (de) * 1979-06-08 1980-12-11 Rohde & Schwarz Anordnung zum selbsttaetigen abstimmen eines transformationsnetzwerkes
SE467717B (sv) * 1990-12-21 1992-08-31 Ericsson Telefon Ab L M Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner
CA2059580C (en) * 1991-01-18 1996-06-11 Youhei Ishikawa Auto-tuned apparatus for band-pass filter
FI87864C (sv) * 1991-05-09 1993-02-25 Telenokia Oy Anordning och förfarande för reglering av ett bandpassfilter, särskilt ett kombinatorfilter
FI94690C (sv) * 1992-12-30 1995-10-10 Nokia Telecommunications Oy Anordning för avstämning/avpassning av ett kompainerfilter och ett förfarande för utförande av separationsmätning

Also Published As

Publication number Publication date
FI93064B (sv) 1994-10-31
EP0679297B1 (en) 1999-04-07
NO952616L (no) 1995-08-29
EP0679297A1 (en) 1995-11-02
DE69324379D1 (de) 1999-05-12
NO952616D0 (no) 1995-06-29
JPH08505495A (ja) 1996-06-11
WO1994016496A1 (en) 1994-07-21
AU5816594A (en) 1994-08-15
FI93064C (sv) 1995-02-10
DE69324379T2 (de) 1999-09-30
US5757247A (en) 1998-05-26
ATE178744T1 (de) 1999-04-15
AU679203B2 (en) 1997-06-26
NO310270B1 (no) 2001-06-11
FI925955A (sv) 1994-07-01

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