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NO934314L - Fremgangsmaate for aa avstemme et RF-baandpassfilter - Google Patents

Fremgangsmaate for aa avstemme et RF-baandpassfilter

Info

Publication number
NO934314L
NO934314L NO934314A NO934314A NO934314L NO 934314 L NO934314 L NO 934314L NO 934314 A NO934314 A NO 934314A NO 934314 A NO934314 A NO 934314A NO 934314 L NO934314 L NO 934314L
Authority
NO
Norway
Prior art keywords
filter
bandpass filter
tuning
medium frequency
frequency
Prior art date
Application number
NO934314A
Other languages
English (en)
Other versions
NO934314D0 (no
NO303958B1 (no
Inventor
Arto Jaentti
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 NO934314D0 publication Critical patent/NO934314D0/no
Publication of NO934314L publication Critical patent/NO934314L/no
Publication of NO303958B1 publication Critical patent/NO303958B1/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength
    • H03J1/0075—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength where the receiving frequencies of the stations are stored in a permanent memory, e.g. ROM
    • 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
    • H03H7/468—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source particularly adapted as coupling circuit between transmitters and antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Networks Using Active Elements (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Filters And Equalizers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
NO934314A 1992-03-31 1993-11-29 FremgangsmÕte for Õ avstemme et RF-bÕndpassfilter NO303958B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI921412A FI91469C (fi) 1992-03-31 1992-03-31 Menetelmä RF-kaistanpäästösuodattimen virittämiseksi
PCT/FI1993/000128 WO1993020616A1 (en) 1992-03-31 1993-03-30 A method for tuning an rf bandpass filter

Publications (3)

Publication Number Publication Date
NO934314D0 NO934314D0 (no) 1993-11-29
NO934314L true NO934314L (no) 1993-11-29
NO303958B1 NO303958B1 (no) 1998-09-28

Family

ID=8535010

Family Applications (1)

Application Number Title Priority Date Filing Date
NO934314A NO303958B1 (no) 1992-03-31 1993-11-29 FremgangsmÕte for Õ avstemme et RF-bÕndpassfilter

Country Status (9)

Country Link
US (1) US5448769A (no)
EP (1) EP0587886B1 (no)
JP (1) JP3078838B2 (no)
AT (1) ATE158903T1 (no)
AU (1) AU659303B2 (no)
DE (1) DE69314276T2 (no)
FI (1) FI91469C (no)
NO (1) NO303958B1 (no)
WO (1) WO1993020616A1 (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530921A (en) * 1995-02-09 1996-06-25 Telefonaktiebolaget Lm Ericsson Enhanced system and method for implementing a backup control channel in a cellular telecommunication network
GB2317760B (en) * 1996-09-27 2000-09-13 Nec Technologies Mobile telephone apparatus
US6014554A (en) * 1997-09-30 2000-01-11 Lucent Technologies, Inc. Method and apparatus for tuning analog filters
FI107766B (fi) * 1998-01-28 2001-09-28 Nokia Networks Oy Viritysmenetelmä ja lähetinvastaanotinyksikkö
DE59911153D1 (de) 1998-09-25 2004-12-30 Siemens Ag Programmierbares mobilfunk-endgerät
DE19844142C2 (de) * 1998-09-25 2002-04-18 Siemens Ag Programmierbarer HF-Block
SE0000585D0 (sv) 2000-02-23 2000-02-23 Ericsson Telefon Ab L M Tuning method and system

Family Cites Families (7)

* 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
US5034707A (en) * 1989-12-06 1991-07-23 Telefonaktiebolaget Lm Ericsson Combiner arrangement in a radio base station
DE4012265A1 (de) * 1990-04-17 1991-10-24 Toepholm & Westermann Schaltungsanordnung fuer einen ausgangstankkreis einer mit frequenzumtastung betriebenen sender-endstufe
SE467717B (sv) * 1990-12-21 1992-08-31 Ericsson Telefon Ab L M Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner
DK0495514T3 (no) * 1991-01-18 1997-02-17 Murata Manufacturing Co
US5274672A (en) * 1991-10-31 1993-12-28 Motorola, Inc. Optimized clock recovery for an MSK system

Also Published As

Publication number Publication date
EP0587886A1 (en) 1994-03-23
JP3078838B2 (ja) 2000-08-21
AU3755193A (en) 1993-11-08
AU659303B2 (en) 1995-05-11
FI921412A0 (fi) 1992-03-31
FI921412A (fi) 1993-10-01
NO934314D0 (no) 1993-11-29
NO303958B1 (no) 1998-09-28
WO1993020616A1 (en) 1993-10-14
JPH06508018A (ja) 1994-09-08
US5448769A (en) 1995-09-05
DE69314276D1 (de) 1997-11-06
EP0587886B1 (en) 1997-10-01
ATE158903T1 (de) 1997-10-15
DE69314276T2 (de) 1998-03-12
FI91469B (fi) 1994-03-15
FI91469C (fi) 1994-06-27

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN SEPTEMBER 2003