SE467717B - Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner - Google Patents

Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner

Info

Publication number
SE467717B
SE467717B SE9004127A SE9004127A SE467717B SE 467717 B SE467717 B SE 467717B SE 9004127 A SE9004127 A SE 9004127A SE 9004127 A SE9004127 A SE 9004127A SE 467717 B SE467717 B SE 467717B
Authority
SE
Sweden
Prior art keywords
filter
frequency
signal
measure
power
Prior art date
Application number
SE9004127A
Other languages
English (en)
Swedish (sv)
Other versions
SE9004127L (sv
SE9004127D0 (sv
Inventor
J A Victorin
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9004127A priority Critical patent/SE467717B/sv
Publication of SE9004127D0 publication Critical patent/SE9004127D0/xx
Priority to ES91850308T priority patent/ES2079057T3/es
Priority to DK91850308.7T priority patent/DK0494058T3/da
Priority to EP91850308A priority patent/EP0494058B1/de
Priority to DE69114464T priority patent/DE69114464T2/de
Priority to AT91850308T priority patent/ATE130140T1/de
Priority to CA002058146A priority patent/CA2058146C/en
Publication of SE9004127L publication Critical patent/SE9004127L/
Publication of SE467717B publication Critical patent/SE467717B/sv
Priority to US08/191,753 priority patent/US5473292A/en
Priority to GR950402867T priority patent/GR3018041T3/el
Priority to HK36796A priority patent/HK36796A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • 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

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
SE9004127A 1990-12-21 1990-12-21 Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner SE467717B (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9004127A SE467717B (sv) 1990-12-21 1990-12-21 Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner
AT91850308T ATE130140T1 (de) 1990-12-21 1991-12-09 Verfahren zur feinjustierung der resonanzfrequenz eines filters in einem kombinierer.
DE69114464T DE69114464T2 (de) 1990-12-21 1991-12-09 Verfahren zur Feinjustierung der Resonanzfrequenz eines Filters in einem Kombinierer.
DK91850308.7T DK0494058T3 (da) 1990-12-21 1991-12-09 Fremgangsmåde til finjustering af resonansfrekvensen for et filter i en kombinator
EP91850308A EP0494058B1 (de) 1990-12-21 1991-12-09 Verfahren zur Feinjustierung der Resonanzfrequenz eines Filters in einem Kombinierer
ES91850308T ES2079057T3 (es) 1990-12-21 1991-12-09 Un metodo para la sintonizacion fina de la frecuencia de resonancia de un filtro en un combinador.
CA002058146A CA2058146C (en) 1990-12-21 1991-12-19 Method for fine tuning the resonant frequency of a filter in a combiner
US08/191,753 US5473292A (en) 1990-12-21 1994-02-04 Method for fine tuning the resonant frequency of a filter in a combiner
GR950402867T GR3018041T3 (en) 1990-12-21 1995-11-09 A method for fine tuning the resonant frequency of a filter in a combiner.
HK36796A HK36796A (en) 1990-12-21 1996-02-29 A method for fine tuning the resonant frequency of a filter in a combiner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9004127A SE467717B (sv) 1990-12-21 1990-12-21 Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner

Publications (3)

Publication Number Publication Date
SE9004127D0 SE9004127D0 (sv) 1990-12-21
SE9004127L SE9004127L (sv) 1992-06-22
SE467717B true SE467717B (sv) 1992-08-31

Family

ID=20381297

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9004127A SE467717B (sv) 1990-12-21 1990-12-21 Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner

Country Status (10)

Country Link
US (1) US5473292A (de)
EP (1) EP0494058B1 (de)
AT (1) ATE130140T1 (de)
CA (1) CA2058146C (de)
DE (1) DE69114464T2 (de)
DK (1) DK0494058T3 (de)
ES (1) ES2079057T3 (de)
GR (1) GR3018041T3 (de)
HK (1) HK36796A (de)
SE (1) SE467717B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5689219A (en) * 1994-06-30 1997-11-18 Nokia Telecommunications Oy Summing network

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91469C (fi) * 1992-03-31 1994-06-27 Nokia Telecommunications Oy Menetelmä RF-kaistanpäästösuodattimen virittämiseksi
FI94690C (fi) * 1992-12-30 1995-10-10 Nokia Telecommunications Oy Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi
FI94807C (fi) * 1992-12-30 1995-10-25 Nokia Telecommunications Oy Menetelmä ja järjestely kompainerisuodattimen virittämiseksi
FI93064C (fi) * 1992-12-30 1995-02-10 Nokia Telecommunications Oy Laite ja menetelmä kaistanpäästösuodattimen, erityisesti kompainerisuodattimen säätämiseksi
US6018663A (en) * 1997-01-28 2000-01-25 Telefonaktiebolaget Lm Ericsson Frequency packing for dynamic frequency allocation in a radiocommunication system
FI107766B (fi) * 1998-01-28 2001-09-28 Nokia Networks Oy Viritysmenetelmä ja lähetinvastaanotinyksikkö
SE514183C2 (sv) * 1999-01-27 2001-01-15 Ericsson Telefon Ab L M Inställningsarrangemang
US6593828B1 (en) * 2000-05-22 2003-07-15 Globespanvirata, Inc. System and method for filter tuning
US20040262146A1 (en) * 2000-10-02 2004-12-30 Platt Robert C. Sterilization system plasma generation control
US6447719B1 (en) * 2000-10-02 2002-09-10 Johnson & Johnson Power system for sterilization systems employing low frequency plasma
US6841124B2 (en) * 2000-10-02 2005-01-11 Ethicon, Inc. Sterilization system with a plasma generator controlled by a digital signal processor
US6852277B2 (en) * 2000-10-02 2005-02-08 Ethicon, Inc. Sterilization system employing a switching module adapted to pulsate the low frequency power applied to a plasma
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
US20240195040A1 (en) * 2022-12-11 2024-06-13 Norsat International Inc. Self-Tuning Resonant Cavity RF Transmitter Combiner with Extended Tuning Frequency Range
CN116609603A (zh) * 2023-05-31 2023-08-18 南京震冠电子科技有限公司 一种基于数据分析的腔体滤波器测试系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355667A (en) * 1965-12-16 1967-11-28 Collins Radio Co Automatically tuned coupled resonant circuits
US3715690A (en) * 1971-05-18 1973-02-06 Trw Inc Automatic tuning electric wave filter
US3778731A (en) * 1972-06-05 1973-12-11 Cincinnati Electronics Corp Tuning method for t-network couplers
US3891926A (en) * 1972-12-18 1975-06-24 American Standard Inc Filter module
US4726071A (en) * 1984-12-31 1988-02-16 Orion Industries, Inc. Microprocessor controlled self-tuning resonant cavity and method
JPH0291723A (ja) * 1988-09-29 1990-03-30 Toshiba Corp マルチポートコンソールにおけるハードコピー制御方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5689219A (en) * 1994-06-30 1997-11-18 Nokia Telecommunications Oy Summing network

Also Published As

Publication number Publication date
DE69114464T2 (de) 1996-03-21
CA2058146C (en) 2000-10-17
SE9004127L (sv) 1992-06-22
HK36796A (en) 1996-03-08
ATE130140T1 (de) 1995-11-15
US5473292A (en) 1995-12-05
EP0494058A1 (de) 1992-07-08
GR3018041T3 (en) 1996-02-29
CA2058146A1 (en) 1992-06-22
SE9004127D0 (sv) 1990-12-21
DE69114464D1 (de) 1995-12-14
DK0494058T3 (da) 1995-12-11
EP0494058B1 (de) 1995-11-08
ES2079057T3 (es) 1996-01-01

Similar Documents

Publication Publication Date Title
SE467717B (sv) Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner
US5351798A (en) Coin discrimination apparatus and method
US5136267A (en) Tunable bandpass filter system and filtering method
US5416593A (en) Method for determining a distortion angle in a textile material and an apparatus for use therein
US5845529A (en) Device and method for determining the moisture content of material
CA1222319A (en) Apparatus for analysing the formation of a paper web
US5508610A (en) Electrical conductivity tester and methods thereof for accurately measuring time-varying and steady state conductivity using phase shift detection
EP0059511A2 (de) Münzprüfer
US5568854A (en) Coin discrimination method
JPS63298030A (ja) 温度補償水分センサ
FI69370C (fi) Foerfarande foer maetning av egenskaperna hos ett plastskikt med hjaelp av infraroed straolning
US3228282A (en) Apparatus for measuring and recording basis weight of paper and the like
EP0395308A2 (de) Apparat und Verfahren zum Messen der Eigenschaften eines Gegenstandes, indem eine zerstreute elektromagnetische Strahlung benutzt wird
US3437823A (en) Method and apparatus for detecting a given pattern in a moving web such as wire mark in paper
US2477028A (en) Dual channel gain control
US3840804A (en) Crystal frequency monitor
US2576772A (en) Uniformity meter
US5566686A (en) Method and device for determining the density of a stream of fibrous material on a cigarette manufacturing machine
SU547183A1 (ru) Способ распознавани растений на фоне почвы
GB2049192A (en) Temperature measurement in nuclear magnetic resonance spectrometry
US4002970A (en) Optimum threshold transmission line discriminator
US2923881A (en) Portable uniformity meter
US3188564A (en) Apparatus for classifying sporadically occurring different defects in material by converting defect caused output signals into a function of time
RU2184931C2 (ru) Вихретоковый способ двухчастотного контроля изделий
Cobine et al. Range extender for general radio 760A sound analyzer

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 9004127-8

Format of ref document f/p: F

NUG Patent has lapsed