NO943192L - Anordning og fremgangsmåte for avstemming av et kombineringsfilter - Google Patents
Anordning og fremgangsmåte for avstemming av et kombineringsfilterInfo
- Publication number
- NO943192L NO943192L NO943192A NO943192A NO943192L NO 943192 L NO943192 L NO 943192L NO 943192 A NO943192 A NO 943192A NO 943192 A NO943192 A NO 943192A NO 943192 L NO943192 L NO 943192L
- Authority
- NO
- Norway
- Prior art keywords
- combiner
- pct
- measuring
- tuning
- signals
- Prior art date
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)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI925956A FI94690C (fi) | 1992-12-30 | 1992-12-30 | Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi |
PCT/FI1993/000567 WO1994016497A1 (en) | 1992-12-30 | 1993-12-29 | Device and method for tuning a combiner filter |
Publications (3)
Publication Number | Publication Date |
---|---|
NO943192D0 NO943192D0 (no) | 1994-08-29 |
NO943192L true NO943192L (no) | 1994-10-28 |
NO306889B1 NO306889B1 (no) | 2000-01-03 |
Family
ID=8536491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO943192A NO306889B1 (no) | 1992-12-30 | 1994-08-29 | Anordning for regulering av et kombineringsfilter, samt fremgangsmåte for isolasjonsmåling på radiosendere |
Country Status (9)
Country | Link |
---|---|
US (1) | US5525940A (no) |
EP (1) | EP0647373B1 (no) |
JP (1) | JP3078839B2 (no) |
AT (1) | ATE170346T1 (no) |
AU (1) | AU674375B2 (no) |
DE (1) | DE69320636T2 (no) |
FI (1) | FI94690C (no) |
NO (1) | NO306889B1 (no) |
WO (1) | WO1994016497A1 (no) |
Families Citing this family (21)
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. |
JP2005534203A (ja) * | 2001-10-16 | 2005-11-10 | 株式会社RfStream | モノリシック集積回路上に受信機を実施するための方法および装置 |
US7199844B2 (en) * | 2002-05-28 | 2007-04-03 | Rfstream Corporation | Quadratic nyquist slope filter |
US7116961B2 (en) * | 2002-05-29 | 2006-10-03 | Rfstream Corporation | Image rejection quadratic filter |
US6750734B2 (en) * | 2002-05-29 | 2004-06-15 | Ukom, Inc. | Methods and apparatus for tuning an LC filter |
EP1532736A1 (en) * | 2002-05-29 | 2005-05-25 | 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 |
EP1514345A2 (en) * | 2002-06-05 | 2005-03-16 | 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 |
US7446631B2 (en) * | 2005-03-11 | 2008-11-04 | Rf Stream Corporation | Radio frequency inductive-capacitive filter circuit topology |
WO2006099161A2 (en) * | 2005-03-11 | 2006-09-21 | Rfstream Corporation | A mosfet temperature compensation current source |
US20060217095A1 (en) * | 2005-03-11 | 2006-09-28 | Takatsuga Kamata | Wideband tuning circuit |
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)
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 |
-
1992
- 1992-12-30 FI FI925956A patent/FI94690C/fi active
-
1993
- 1993-12-29 AT AT94902794T patent/ATE170346T1/de not_active IP Right Cessation
- 1993-12-29 US US08/295,665 patent/US5525940A/en not_active Expired - Lifetime
- 1993-12-29 EP EP94902794A patent/EP0647373B1/en not_active Expired - Lifetime
- 1993-12-29 WO PCT/FI1993/000567 patent/WO1994016497A1/en active IP Right Grant
- 1993-12-29 AU AU57013/94A patent/AU674375B2/en not_active Ceased
- 1993-12-29 JP JP06515712A patent/JP3078839B2/ja not_active Expired - Fee Related
- 1993-12-29 DE DE69320636T patent/DE69320636T2/de not_active Expired - Fee Related
-
1994
- 1994-08-29 NO NO943192A patent/NO306889B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO943192D0 (no) | 1994-08-29 |
EP0647373A1 (en) | 1995-04-12 |
ATE170346T1 (de) | 1998-09-15 |
FI925956A0 (fi) | 1992-12-30 |
EP0647373B1 (en) | 1998-08-26 |
US5525940A (en) | 1996-06-11 |
DE69320636T2 (de) | 1999-02-11 |
FI94690C (fi) | 1995-10-10 |
JPH07504557A (ja) | 1995-05-18 |
FI94690B (fi) | 1995-06-30 |
WO1994016497A1 (en) | 1994-07-21 |
DE69320636D1 (de) | 1998-10-01 |
JP3078839B2 (ja) | 2000-08-21 |
AU674375B2 (en) | 1996-12-19 |
AU5701394A (en) | 1994-08-15 |
NO306889B1 (no) | 2000-01-03 |
FI925956A (fi) | 1994-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN JUNE 2003 |