NO306889B1 - Anordning for regulering av et kombineringsfilter, samt fremgangsmåte for isolasjonsmåling på radiosendere - Google Patents
Anordning for regulering av et kombineringsfilter, samt fremgangsmåte for isolasjonsmåling på radiosendereInfo
- Publication number
- NO306889B1 NO306889B1 NO943192A NO943192A NO306889B1 NO 306889 B1 NO306889 B1 NO 306889B1 NO 943192 A NO943192 A NO 943192A NO 943192 A NO943192 A NO 943192A NO 306889 B1 NO306889 B1 NO 306889B1
- Authority
- NO
- Norway
- Prior art keywords
- combiner
- pct
- measuring
- signals
- filter
- 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)
- Radar Systems Or Details Thereof (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (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 NO943192L (no) | 1994-10-28 |
NO306889B1 true 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. |
US7327406B2 (en) * | 2001-10-16 | 2008-02-05 | Rfstream Corporation | Methods and apparatus for implementing a receiver on a monolithic integrated circuit |
US7199844B2 (en) * | 2002-05-28 | 2007-04-03 | Rfstream Corporation | Quadratic nyquist slope filter |
US6750734B2 (en) * | 2002-05-29 | 2004-06-15 | Ukom, Inc. | Methods and apparatus for tuning an LC filter |
EP1514346A2 (en) * | 2002-05-29 | 2005-03-16 | Ukom, Inc. | Image rejection quadratic filter |
JP2005535160A (ja) * | 2002-05-29 | 2005-11-17 | 株式会社RfStream | 逐次近似を使用する同調方法および装置 |
JP2005535161A (ja) * | 2002-06-05 | 2005-11-17 | 株式会社RfStream | ベースバンド・ナイキスト・フィルタによる二次映像復調 |
US6882245B2 (en) * | 2002-06-05 | 2005-04-19 | Rf Stream Corporation | Frequency discrete LC filter bank |
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 |
EP1861931A4 (en) * | 2005-03-11 | 2008-05-14 | Rfstream America Inc | BROADBAND ADJUSTMENT CIRCUIT |
WO2006099161A2 (en) * | 2005-03-11 | 2006-09-21 | Rfstream Corporation | A mosfet temperature compensation current source |
JP2008533840A (ja) * | 2005-03-11 | 2008-08-21 | 株式会社RfStream | 無線周波誘導容量性フィルタ回路トポロジー |
DE102009018648B4 (de) * | 2009-04-23 | 2018-11-29 | Snaptrack, Inc. | Frontendmodul mit Antennentuner |
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 |
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 |
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 US US08/295,665 patent/US5525940A/en not_active Expired - Lifetime
- 1993-12-29 DE DE69320636T patent/DE69320636T2/de not_active Expired - Fee Related
- 1993-12-29 AT AT94902794T patent/ATE170346T1/de not_active IP Right Cessation
- 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 EP EP94902794A patent/EP0647373B1/en not_active Expired - Lifetime
- 1993-12-29 WO PCT/FI1993/000567 patent/WO1994016497A1/en active IP Right Grant
-
1994
- 1994-08-29 NO NO943192A patent/NO306889B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH07504557A (ja) | 1995-05-18 |
EP0647373A1 (en) | 1995-04-12 |
JP3078839B2 (ja) | 2000-08-21 |
FI925956A (fi) | 1994-07-01 |
FI94690C (fi) | 1995-10-10 |
FI94690B (fi) | 1995-06-30 |
AU5701394A (en) | 1994-08-15 |
DE69320636D1 (de) | 1998-10-01 |
NO943192L (no) | 1994-10-28 |
ATE170346T1 (de) | 1998-09-15 |
US5525940A (en) | 1996-06-11 |
AU674375B2 (en) | 1996-12-19 |
NO943192D0 (no) | 1994-08-29 |
FI925956A0 (fi) | 1992-12-30 |
DE69320636T2 (de) | 1999-02-11 |
EP0647373B1 (en) | 1998-08-26 |
WO1994016497A1 (en) | 1994-07-21 |
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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 |