SE520112C2 - Metod samt system för att avstämma ett radiofilter - Google Patents
Metod samt system för att avstämma ett radiofilterInfo
- Publication number
- SE520112C2 SE520112C2 SE0004863A SE0004863A SE520112C2 SE 520112 C2 SE520112 C2 SE 520112C2 SE 0004863 A SE0004863 A SE 0004863A SE 0004863 A SE0004863 A SE 0004863A SE 520112 C2 SE520112 C2 SE 520112C2
- Authority
- SE
- Sweden
- Prior art keywords
- resonator
- signal
- filter
- input
- tuning
- Prior art date
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
- H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
-
- 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
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004863A SE520112C2 (sv) | 2000-12-27 | 2000-12-27 | Metod samt system för att avstämma ett radiofilter |
PCT/SE2001/002888 WO2002052673A1 (en) | 2000-12-27 | 2001-12-21 | Method for tuning a radio filter and a system for tuning a radio filter |
DE60140765T DE60140765D1 (de) | 2000-12-27 | 2001-12-21 | Verfahren zum abstimmen eines funkfilters und system zum abstimmen eines funkfilters |
CNB01820757XA CN100411242C (zh) | 2000-12-27 | 2001-12-21 | 调谐无线电滤波器的方法和系统 |
US10/451,142 US7092685B2 (en) | 2000-12-27 | 2001-12-21 | Method for tuning a radio filter and a system for tuning a radio filter |
EP01272437A EP1346430B1 (de) | 2000-12-27 | 2001-12-21 | Verfahren zum abstimmen eines funkfilters und system zum abstimmen eines funkfilters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004863A SE520112C2 (sv) | 2000-12-27 | 2000-12-27 | Metod samt system för att avstämma ett radiofilter |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0004863D0 SE0004863D0 (sv) | 2000-12-27 |
SE0004863L SE0004863L (sv) | 2002-06-28 |
SE520112C2 true SE520112C2 (sv) | 2003-05-27 |
Family
ID=20282442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0004863A SE520112C2 (sv) | 2000-12-27 | 2000-12-27 | Metod samt system för att avstämma ett radiofilter |
Country Status (6)
Country | Link |
---|---|
US (1) | US7092685B2 (de) |
EP (1) | EP1346430B1 (de) |
CN (1) | CN100411242C (de) |
DE (1) | DE60140765D1 (de) |
SE (1) | SE520112C2 (de) |
WO (1) | WO2002052673A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7761067B1 (en) * | 2003-05-15 | 2010-07-20 | Marvell International Ltd. | Iterative filter circuit calibration |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3710150A (en) * | 1970-10-29 | 1973-01-09 | Univ Ohio State | Power conversion means |
FI110148B (fi) * | 1993-09-10 | 2002-11-29 | Filtronic Lk Oy | Useita resonaattoreita käsittävä radiotaajuussuodatin |
SE507698C2 (sv) * | 1996-07-10 | 1998-07-06 | Allgon Ab | Förfarande och system för avstämning resonansmoduler |
US6246727B1 (en) * | 1996-07-10 | 2001-06-12 | Allgon Ab | Method and system for tuning resonance modules |
US6760079B2 (en) * | 1998-09-22 | 2004-07-06 | Funai Electric Co., Ltd. | TV tuner unit having a resonance network |
-
2000
- 2000-12-27 SE SE0004863A patent/SE520112C2/sv unknown
-
2001
- 2001-12-21 WO PCT/SE2001/002888 patent/WO2002052673A1/en not_active Application Discontinuation
- 2001-12-21 DE DE60140765T patent/DE60140765D1/de not_active Expired - Lifetime
- 2001-12-21 EP EP01272437A patent/EP1346430B1/de not_active Expired - Lifetime
- 2001-12-21 US US10/451,142 patent/US7092685B2/en not_active Expired - Fee Related
- 2001-12-21 CN CNB01820757XA patent/CN100411242C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE0004863D0 (sv) | 2000-12-27 |
SE0004863L (sv) | 2002-06-28 |
EP1346430B1 (de) | 2009-12-09 |
EP1346430A1 (de) | 2003-09-24 |
US20040097203A1 (en) | 2004-05-20 |
US7092685B2 (en) | 2006-08-15 |
CN100411242C (zh) | 2008-08-13 |
WO2002052673A1 (en) | 2002-07-04 |
CN1481594A (zh) | 2004-03-10 |
DE60140765D1 (de) | 2010-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4651089A (en) | Frequency counting arrangement | |
US4820991A (en) | Apparatus for determination of the location of a fault in communications wires | |
KR101856756B1 (ko) | 신호 발생기 및 신호 발생기를 포함하는 측정 시스템 | |
EP3130930A1 (de) | Synchronisation von instabilen signalquellen zur verwendung in einem phasenstabilen instrument | |
US8368382B2 (en) | Frequency characteristics measuring device | |
Sarkas et al. | A fundamental frequency 143-152 GHz radar transceiver with built-in calibration and self-test | |
SE507698C2 (sv) | Förfarande och system för avstämning resonansmoduler | |
Subburaj et al. | Monitoring architecture for a 76-81ghz radar front end | |
CN107192473A (zh) | 基于相控阵天线的声表面波温度检测系统及检测方法 | |
SE520112C2 (sv) | Metod samt system för att avstämma ett radiofilter | |
Lurz et al. | A low-cost 2.4 GHz frequency measurement system for microsecond time domain pulses based on six-port technology | |
US6246727B1 (en) | Method and system for tuning resonance modules | |
RU2276377C1 (ru) | Устройство для измерения амплитудно-частотных и фазочастотных характеристик четырехполюсников с преобразователем частоты | |
US6198436B1 (en) | Integrated interferometer and instantaneous frequency measurement device and method | |
JP4046293B2 (ja) | 電波レーダ装置 | |
Scheiner et al. | Low-cost six-port for high-volume frequency measurement systems in the 2.4 GHz ISM-band | |
CN104485945B (zh) | 采用精确相位控制实现射频频率无缝隙倒换的装置 | |
JPS59183379A (ja) | スペクトラル純度の測定方法および装置 | |
US3571702A (en) | Apparatus for the wide-band impedance measurement of micro-wave circuits in micro-wave multiple-pole arrangements | |
RU2097775C1 (ru) | Датчик-преобразователь сдвига фаз в код | |
SU439766A1 (ru) | Устройство дл поверки фазометров | |
US3568076A (en) | Receiver phase shift stabilizer | |
JPH07229793A (ja) | 弾性表面波温度計 | |
SU169587A1 (ru) | Устройство для разбраковки конденсаторов по тангенсу угла диэлектрических потерь | |
SU1075195A2 (ru) | Устройство дл измерени амплитудно-частотной и фазочастотной характеристик четырехполюсника |