NO310270B1 - Anordning og fremgangsmåte for avstemming av et båndpassfilter - Google Patents
Anordning og fremgangsmåte for avstemming av et båndpassfilter Download PDFInfo
- Publication number
- NO310270B1 NO310270B1 NO19952616A NO952616A NO310270B1 NO 310270 B1 NO310270 B1 NO 310270B1 NO 19952616 A NO19952616 A NO 19952616A NO 952616 A NO952616 A NO 952616A NO 310270 B1 NO310270 B1 NO 310270B1
- Authority
- NO
- Norway
- Prior art keywords
- signal
- bandpass filter
- frequency
- filter
- sample
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 14
- 238000012360 testing method Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 22
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- WNEODWDFDXWOLU-QHCPKHFHSA-N 3-[3-(hydroxymethyl)-4-[1-methyl-5-[[5-[(2s)-2-methyl-4-(oxetan-3-yl)piperazin-1-yl]pyridin-2-yl]amino]-6-oxopyridin-3-yl]pyridin-2-yl]-7,7-dimethyl-1,2,6,8-tetrahydrocyclopenta[3,4]pyrrolo[3,5-b]pyrazin-4-one Chemical compound C([C@@H](N(CC1)C=2C=NC(NC=3C(N(C)C=C(C=3)C=3C(=C(N4C(C5=CC=6CC(C)(C)CC=6N5CC4)=O)N=CC=3)CO)=O)=CC=2)C)N1C1COC1 WNEODWDFDXWOLU-QHCPKHFHSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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)
- Paper (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Fats And Perfumes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI925955A FI93064C (fi) | 1992-12-30 | 1992-12-30 | Laite ja menetelmä kaistanpäästösuodattimen, erityisesti kompainerisuodattimen säätämiseksi |
| PCT/FI1993/000566 WO1994016496A1 (fr) | 1992-12-30 | 1993-12-29 | Dispositif et procede d'accord d'un filtre passe-bande |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO952616D0 NO952616D0 (no) | 1995-06-29 |
| NO952616L NO952616L (no) | 1995-08-29 |
| NO310270B1 true NO310270B1 (no) | 2001-06-11 |
Family
ID=8536490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19952616A NO310270B1 (no) | 1992-12-30 | 1995-06-29 | Anordning og fremgangsmåte for avstemming av et båndpassfilter |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5757247A (fr) |
| EP (1) | EP0679297B1 (fr) |
| JP (1) | JPH08505495A (fr) |
| AT (1) | ATE178744T1 (fr) |
| AU (1) | AU679203B2 (fr) |
| DE (1) | DE69324379T2 (fr) |
| FI (1) | FI93064C (fr) |
| NO (1) | NO310270B1 (fr) |
| WO (1) | WO1994016496A1 (fr) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI94807C (fi) * | 1992-12-30 | 1995-10-25 | Nokia Telecommunications Oy | Menetelmä ja järjestely kompainerisuodattimen virittämiseksi |
| FI107766B (fi) * | 1998-01-28 | 2001-09-28 | Nokia Networks Oy | Viritysmenetelmä ja lähetinvastaanotinyksikkö |
| 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 (fr) * | 2010-05-31 | 2011-12-08 | Prism Microwave Oy | Système de syntonisation de filtres de résonateur |
| US8810331B2 (en) * | 2010-12-10 | 2014-08-19 | 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 |
| US9780756B2 (en) | 2013-08-01 | 2017-10-03 | Qorvo Us, Inc. | Calibration for a tunable RF filter structure |
| US9899133B2 (en) | 2013-08-01 | 2018-02-20 | Qorvo Us, Inc. | Advanced 3D inductor structures with confined magnetic field |
| US9685928B2 (en) | 2013-08-01 | 2017-06-20 | Qorvo Us, Inc. | Interference rejection RF filters |
| US9755671B2 (en) | 2013-08-01 | 2017-09-05 | Qorvo Us, Inc. | VSWR detector for a tunable filter structure |
| US9294045B2 (en) | 2013-03-15 | 2016-03-22 | Rf Micro Devices, Inc. | Gain and phase calibration for closed loop feedback linearized amplifiers |
| US9705478B2 (en) | 2013-08-01 | 2017-07-11 | Qorvo Us, Inc. | Weakly coupled tunable RF receiver architecture |
| US9628045B2 (en) | 2013-08-01 | 2017-04-18 | Qorvo Us, Inc. | Cooperative tunable RF filters |
| US9859863B2 (en) | 2013-03-15 | 2018-01-02 | Qorvo Us, Inc. | RF filter structure for antenna diversity and beam forming |
| US9774311B2 (en) * | 2013-03-15 | 2017-09-26 | Qorvo Us, Inc. | Filtering characteristic adjustments of weakly coupled tunable RF filters |
| US9455680B2 (en) | 2013-06-06 | 2016-09-27 | Qorvo Us, Inc. | Tunable RF filter structure formed by a matrix of weakly coupled resonators |
| US9871499B2 (en) | 2013-03-15 | 2018-01-16 | Qorvo Us, Inc. | Multi-band impedance tuners using weakly-coupled LC resonators |
| US9825656B2 (en) | 2013-08-01 | 2017-11-21 | Qorvo Us, Inc. | Weakly coupled tunable RF transmitter architecture |
| US9780817B2 (en) | 2013-06-06 | 2017-10-03 | Qorvo Us, Inc. | RX shunt switching element-based RF front-end circuit |
| US9966981B2 (en) | 2013-06-06 | 2018-05-08 | Qorvo Us, Inc. | Passive acoustic resonator based RF receiver |
| US9705542B2 (en) | 2013-06-06 | 2017-07-11 | Qorvo Us, Inc. | Reconfigurable RF filter |
| US9800282B2 (en) | 2013-06-06 | 2017-10-24 | Qorvo Us, Inc. | Passive voltage-gain network |
| 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)
| 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 |
| FI105958B (fi) * | 1991-01-18 | 2000-10-31 | Murata Manufacturing Co | Itsevirittyvä laite kaistanpäästösuodatinta varten |
| FI87864C (fi) * | 1991-05-09 | 1993-02-25 | Telenokia Oy | Anordning och foerfarande foer reglering av ett bandpassfilter, saerskilt ett kombinatorfilter |
| FI94690C (fi) * | 1992-12-30 | 1995-10-10 | Nokia Telecommunications Oy | Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi |
-
1992
- 1992-12-30 FI FI925955A patent/FI93064C/fi active
-
1993
- 1993-12-29 WO PCT/FI1993/000566 patent/WO1994016496A1/fr active IP Right Grant
- 1993-12-29 US US08/481,262 patent/US5757247A/en not_active Expired - Lifetime
- 1993-12-29 DE DE69324379T patent/DE69324379T2/de not_active Expired - Fee Related
- 1993-12-29 JP JP6515711A patent/JPH08505495A/ja active Pending
- 1993-12-29 EP EP94903898A patent/EP0679297B1/fr not_active Expired - Lifetime
- 1993-12-29 AU AU58165/94A patent/AU679203B2/en not_active Ceased
- 1993-12-29 AT AT94903898T patent/ATE178744T1/de not_active IP Right Cessation
-
1995
- 1995-06-29 NO NO19952616A patent/NO310270B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI93064B (fi) | 1994-10-31 |
| AU679203B2 (en) | 1997-06-26 |
| WO1994016496A1 (fr) | 1994-07-21 |
| EP0679297B1 (fr) | 1999-04-07 |
| FI925955A (fi) | 1994-07-01 |
| JPH08505495A (ja) | 1996-06-11 |
| DE69324379T2 (de) | 1999-09-30 |
| FI93064C (fi) | 1995-02-10 |
| NO952616L (no) | 1995-08-29 |
| NO952616D0 (no) | 1995-06-29 |
| DE69324379D1 (de) | 1999-05-12 |
| FI925955A0 (fi) | 1992-12-30 |
| AU5816594A (en) | 1994-08-15 |
| EP0679297A1 (fr) | 1995-11-02 |
| ATE178744T1 (de) | 1999-04-15 |
| US5757247A (en) | 1998-05-26 |
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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 |