JP2009159609A - キャビティ・フィルタ結合システム - Google Patents
キャビティ・フィルタ結合システム Download PDFInfo
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- JP2009159609A JP2009159609A JP2008325390A JP2008325390A JP2009159609A JP 2009159609 A JP2009159609 A JP 2009159609A JP 2008325390 A JP2008325390 A JP 2008325390A JP 2008325390 A JP2008325390 A JP 2008325390A JP 2009159609 A JP2009159609 A JP 2009159609A
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- cavity
- cavities
- filter
- last
- loop
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- 230000008878 coupling Effects 0.000 title claims abstract description 33
- 238000010168 coupling process Methods 0.000 title claims abstract description 33
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 33
- 230000000295 complement effect Effects 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims description 7
- 230000000644 propagated effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 230000007704 transition Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Classifications
-
- 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
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
- H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
【解決手段】楕円応答を伴う電力帯域通過フィルタであって、複数N個、ここでNは偶数、の同軸キャビティと、フィルタ対象の入力信号が最初のキャビティの入力端子から入力され、最初のキャビティは、さらに、決定した周波数において伝達零を生成するために、相補的な位相反転結合ループにより最後のキャビティに接続されている。
【選択図】図6
Description
Claims (3)
- 複数N個、ここでNは偶数、の同軸キャビティと、
フィルタ対象の入力信号が最初のキャビティ(1)の入力端子から入力され、他のキャビティ(2、3)に伝搬され、最後のキャビティ(4)の出力端子から出力される様に、種々の関連するキャビティを直列に接続する従来の結合ループと、
により形成され、楕円応答を伴う電力帯域通過フィルタであって、
最初のキャビティと最後のキャビティ(1、4)、最初のキャビティの1つ後のキャビティと最後のキャビティの1つ前のキャビティ、又は、最初のキャビティの2つ後のキャビティと最後のキャビティの2つ前のキャビティを互いに接続する、相補的な位相反転結合ループを備えている、
フィルタ。 - 前記相補的な位相反転ループは、キャビティの内部導体に平行な軸で回転する、
請求項1に記載のフィルタ。 - 4、6又は8個のキャビティで形成されている、
請求項1に記載のフィルタ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0760404 | 2007-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009159609A true JP2009159609A (ja) | 2009-07-16 |
Family
ID=39475974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008325390A Withdrawn JP2009159609A (ja) | 2007-12-27 | 2008-12-22 | キャビティ・フィルタ結合システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US8143973B2 (ja) |
EP (1) | EP2077600A1 (ja) |
JP (1) | JP2009159609A (ja) |
CA (1) | CA2646837A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101900751B1 (ko) * | 2014-03-26 | 2018-09-21 | 노키아 상하이 벨 씨오., 엘티디 | 조정가능한 위상-반전 결합 루프 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8063723B2 (en) * | 2009-07-01 | 2011-11-22 | Spx Corporation | Filter apparatus and method |
WO2012025946A1 (en) * | 2010-08-25 | 2012-03-01 | Commscope Italy S.R.L. | Tunable bandpass filter |
EP3113281A1 (en) * | 2015-06-30 | 2017-01-04 | Alcatel- Lucent Shanghai Bell Co., Ltd | Coupling element and cavity resonator device with a coupling element |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1241007B (de) * | 1956-09-01 | 1967-05-24 | Siemens Ag | Abstimmbarer Filterkreis fuer sehr kurze elektromagnetische Wellen |
DE1045470B (de) | 1957-08-16 | 1958-12-04 | Telefonbau | Schaltungsanordnung zur Auswahl mehrerer ueber gemeinsame Anschlussleitungen an Kontakte eines Leitungswaehlers angeschlossene Sprechstellen |
DE2325401C3 (de) * | 1973-05-18 | 1985-05-15 | Georg Dr.-Ing. 8152 Feldkirchen-Westerham Spinner | Koppelanordnung zwischen Hochfrequenzkreisen |
JPS55134502A (en) | 1979-04-06 | 1980-10-20 | Oki Electric Ind Co Ltd | Microwave filter |
US4307357A (en) * | 1980-03-04 | 1981-12-22 | Tektronix, Inc. | Foreshortened coaxial resonators |
JPS5760703A (en) * | 1980-09-27 | 1982-04-12 | Nippon Dengiyou Kosaku Kk | Interdigital band pass filter |
JPS5789301A (en) | 1980-11-25 | 1982-06-03 | Nippon Dengiyou Kosaku Kk | Variable load q type filter |
JPS58170101A (ja) * | 1982-03-30 | 1983-10-06 | Nippon Dengiyou Kosaku Kk | 帯域通過ろ波器 |
DE3329057A1 (de) | 1983-08-11 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Koaxialleitungs-, kammleitungs- oder interdigitalfilter mit wenigstens vier resonatoren |
CA2186948C (en) * | 1994-04-01 | 1998-12-15 | Richard J. Cameron | A folded single mode dielectric resonator filter with couplings between adjacent resonators and cross diagonal couplings between non-sequential contiguous resonators |
US5781085A (en) * | 1996-11-27 | 1998-07-14 | L-3 Communications Narda Microwave West | Polarity reversal network |
DE69726407T2 (de) | 1997-05-13 | 2004-09-09 | Hughes Electronics Corp., El Segundo | Bandpassfilter mit gleichzeitiger Kopplung und Methode |
US6356171B2 (en) * | 1999-03-27 | 2002-03-12 | Space Systems/Loral, Inc. | Planar general response dual-mode cavity filter |
DE19916605C1 (de) * | 1999-04-13 | 2001-01-18 | Spinner Gmbh Elektrotech | Mehrkreisiges Bandfilter aus Topfkreisen |
ITSO20010002A1 (it) | 2001-05-18 | 2002-11-18 | Comtech S R L | Filtro di ordine minimo a cavita' accoppiate per canali televisivi uhf. |
EP1715544B1 (en) | 2005-04-20 | 2008-08-13 | Matsushita Electric Industrial Co., Ltd. | Block filter |
-
2008
- 2008-12-15 US US12/316,626 patent/US8143973B2/en not_active Expired - Fee Related
- 2008-12-16 CA CA002646837A patent/CA2646837A1/en not_active Abandoned
- 2008-12-22 JP JP2008325390A patent/JP2009159609A/ja not_active Withdrawn
- 2008-12-24 EP EP08172898A patent/EP2077600A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101900751B1 (ko) * | 2014-03-26 | 2018-09-21 | 노키아 상하이 벨 씨오., 엘티디 | 조정가능한 위상-반전 결합 루프 |
Also Published As
Publication number | Publication date |
---|---|
US20090261924A1 (en) | 2009-10-22 |
EP2077600A1 (en) | 2009-07-08 |
CA2646837A1 (en) | 2009-06-27 |
US8143973B2 (en) | 2012-03-27 |
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