EP1349232A2 - Rèsonateur à micro ondes - Google Patents

Rèsonateur à micro ondes Download PDF

Info

Publication number: EP1349232A2
Authority: EP; European Patent Office
Prior art keywords: substrate; layer; microwave resonator; resonator according; resonator
Prior art date: 2002-03-27
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP03006616A

Other languages

German (de)

English (en)

Other versions

EP1349232B1 (fr

EP1349232A3 (fr

Inventor

Rolf Crelpke

Klaus Schieber

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Tesat Spacecom GmbH and Co KG

Original Assignee

Tesat Spacecom GmbH and Co KG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2002-03-27

Filing date

2003-03-25

Publication date

2003-10-01

2003-03-25 Application filed by Tesat Spacecom GmbH and Co KG filed Critical Tesat Spacecom GmbH and Co KG

2003-10-01 Publication of EP1349232A2 publication Critical patent/EP1349232A2/fr

2003-11-12 Publication of EP1349232A3 publication Critical patent/EP1349232A3/fr

2007-04-18 Application granted granted Critical

2007-04-18 Publication of EP1349232B1 publication Critical patent/EP1349232B1/fr

2023-03-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
- H01P7/065—Cavity resonators integrated in a substrate

Definitions

the invention is based on a microwave resonator after the Genus of the main claim.
resonators In the manufacture of high-quality RF oscillators, that is, with low phase noise, resonators are required also have a high quality. Such resonators must due to low resistive conduction losses, due to low dielectric Losses and be characterized by low radiation losses.
the disadvantage is that these resonators are relatively large, and that in this case a resonator chamber is required in which propagates the electric field.
the resonator represents an additional component.
a post-processing grinding may be required.
FIGS. 1 and 2 An example of such a resonator is shown in FIGS. 1 and 2 shown. It consists of a strip-shaped substrate 12, the is covered on both sides with a conductive layer 3, and close to the right end has holes 2. The inner surfaces of the Holes 2 are also covered with the layer 3, so that the Layer 3 of the top 4 and the layer 3 of the bottom 5 electrically connected to each other.
the ohmic resistance of the layer 3 am on the holes. 2 short-circuited, relatively narrow end of the large ohmic Line losses and the fairly large geometric ones Dimensions of the signal input 13 serving left open
the large radiation losses of the known stripline resonator Since the quality of the resonator depends on the size the line losses and the radiation losses, this results in the relatively low quality of the known resonator.
the microwave resonator according to the invention with the has characteristic features of the main claim In contrast, the advantage of reduced ohmic line losses and reduced radiation losses, so that it is a very high quality and is well suited to high quality RF oscillators to be installed.
the conductive layer, or the arrangement of the holes, the shape of a Circular disk on, the top and the bottom with the Layer are occupied, the holes are at the edge of the disc arranged, and is mounted in the middle of the top Layer an opening arranged as a signal input.
the Gap between coupling tongue and circular disc circular segment educated is the Gap between coupling tongue and circular disc circular segment educated.
microwave resonator more than a coupling tongue on. This allows the coupling of one of the number of coupling tongues corresponding number of lines and components.
the substrate consists of low-loss dielectric material, which material in ceramic form outstanding Has insulating properties.
the substrate consists of alumina, sapphire, quartz glass, Teflon or similar.
This material has a high electrical Conductivity on and is very resistant to corrosion, so it can be used for particularly suitable for the present purpose.
the layer consists of highly conductive metal, so it is suitable for the this purpose is particularly well suited.
the layer consists of gold, silver, copper, aluminum, superconductor or similar.
This material has a high electrical Conductivity on and is very resistant to corrosion, so it can be used for particularly suitable for the present purpose.
the circular resonator 1 consists of a disk of aluminum oxide (Al 2 O 3 ), ie, of a well electrically insulating substrate 12, which disc has at its edge through holes 2 and, as in particular.
Figure 4 shows, coated on both sides with a layer 3 is made of a highly conductive and non-corrosive material, which is particularly well suited to gold.
the inner surfaces of the bores 2 are also covered with the conductive layer 3, so that the layers 3 located on the upper side 4 and the lower side 5 are thereby short-circuited.
the layer 3 of the top 4 has a round opening 6, which is used as a signal input 13.
the circular resonator 1 shown in FIGS. 3 and 4 can be up to operate at a frequency of 20 GHz.
This particular has the Advantage that also one with the circular resonator 1 according to the invention equipped oscillator a high quality, that is, a low Has phase noise.
the coupling of the electrical oscillator components via the signal input 13 in that this in the middle of the top 4 through the opening. 6 and through-contacted by the alumina substrate.
FIG. 5 shows an embodiment of a circular resonator 7, instead of a central opening 6 on one side a Coupling tongue 8 as a signal input 13 having the length L has.
Their purpose is to oscillator components with the Circular resonator 7 electrically connect.
the circular resonator 7 also consists of an aluminum oxide disc, the two sides with Gold is coated. Both sides of the gold layer have the in FIG 5 illustrated form.
Q Quality of Q
FIG Circular resonator 10 whose structure except for the circular segment-shaped Gap 11 is identical to that of the circular resonator 7 according to FIG Figure 5.
the sides of the gap 11 close an angle of a size such that the circular resonator 10 a Tuning bandwidth of up to 15%.
a varactor diode For tuning, a varactor diode by means of another Line to be coupled.
This diode can be both outside as also be arranged within the structure of the Kreisresonators.

Landscapes

Control Of Motors That Do Not Use Commutators (AREA)
Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Constitution Of High-Frequency Heating (AREA)

EP03006616A 2002-03-27 2003-03-25 Résonateur à micro-ondes Expired - Lifetime EP1349232B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10213766.8A DE10213766B4 (de)	2002-03-27	2002-03-27	Mikrowellenresonator
DE10213766		2002-03-27

Publications (3)

Publication Number	Publication Date
EP1349232A2 true EP1349232A2 (fr)	2003-10-01
EP1349232A3 EP1349232A3 (fr)	2003-11-12
EP1349232B1 EP1349232B1 (fr)	2007-04-18

Family

ID=27798207

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP03006616A Expired - Lifetime EP1349232B1 (fr)	2002-03-27	2003-03-25	Résonateur à micro-ondes

Country Status (4)

Country	Link
EP (1)	EP1349232B1 (fr)
AT (1)	ATE360267T1 (fr)
DE (2)	DE10213766B4 (fr)
ES (1)	ES2286346T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102017122809B3 (de) *	2017-09-29	2019-01-10	Christian-Albrechts-Universität Zu Kiel	Filtereinrichtung mit Mikrowellenresonator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4727342A (en) *	1985-09-24	1988-02-23	Murata Manufacturing Co., Ltd.	Dielectric resonator
US4771291A (en) *	1985-08-30	1988-09-13	The United States Of America As Represented By The Secretary Of The Air Force	Dual frequency microstrip antenna
EP0487396A1 (fr) *	1990-11-21	1992-05-27	Valtronic France	Filtre passif passe-bande
US5208561A (en) *	1990-12-27	1993-05-04	Thomson-Csf	Load for ultrahigh frequency three-plate stripline with dielectric substrate
JPH10303618A (ja) *	1997-04-25	1998-11-13	Kyocera Corp	積層型共振器および積層型フィルタ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2868899A (en) *	1998-02-17	1999-08-30	Itron Inc.	Laser tunable thick film microwave resonator for printed circuit boards
JP2000174501A (ja) *	1998-12-07	2000-06-23	Nec Corp	マイクロストリップラインフィルタ
JP2001237620A (ja) *	2000-02-21	2001-08-31	Ngk Insulators Ltd	積層型誘電体共振器
JP4249376B2 (ja) *	2000-06-23	2009-04-02	京セラ株式会社	高周波フィルタ
JP2002026611A (ja) *	2000-07-07	2002-01-25	Nec Corp	フィルタ
JP3804407B2 (ja) *	2000-07-07	2006-08-02	日本電気株式会社	フィルタ

2002
- 2002-03-27 DE DE10213766.8A patent/DE10213766B4/de not_active Expired - Fee Related
2003
- 2003-03-25 DE DE50307048T patent/DE50307048D1/de not_active Expired - Lifetime
- 2003-03-25 ES ES03006616T patent/ES2286346T3/es not_active Expired - Lifetime
- 2003-03-25 EP EP03006616A patent/EP1349232B1/fr not_active Expired - Lifetime
- 2003-03-25 AT AT03006616T patent/ATE360267T1/de not_active IP Right Cessation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4771291A (en) *	1985-08-30	1988-09-13	The United States Of America As Represented By The Secretary Of The Air Force	Dual frequency microstrip antenna
US4727342A (en) *	1985-09-24	1988-02-23	Murata Manufacturing Co., Ltd.	Dielectric resonator
EP0487396A1 (fr) *	1990-11-21	1992-05-27	Valtronic France	Filtre passif passe-bande
US5208561A (en) *	1990-12-27	1993-05-04	Thomson-Csf	Load for ultrahigh frequency three-plate stripline with dielectric substrate
JPH10303618A (ja) *	1997-04-25	1998-11-13	Kyocera Corp	積層型共振器および積層型フィルタ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 02, 26. Februar 1999 (1999-02-26) & JP 10 303618 A (KYOCERA CORP), 13. November 1998 (1998-11-13) *

Also Published As

Publication number	Publication date
ES2286346T3 (es)	2007-12-01
EP1349232B1 (fr)	2007-04-18
ATE360267T1 (de)	2007-05-15
DE10213766A1 (de)	2003-10-16
DE50307048D1 (de)	2007-05-31
DE10213766B4 (de)	2017-01-12
EP1349232A3 (fr)	2003-11-12

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