EP1349232A2 - Mikrowellenresonator - Google Patents
Mikrowellenresonator Download PDFInfo
- Publication number
- EP1349232A2 EP1349232A2 EP03006616A EP03006616A EP1349232A2 EP 1349232 A2 EP1349232 A2 EP 1349232A2 EP 03006616 A EP03006616 A EP 03006616A EP 03006616 A EP03006616 A EP 03006616A EP 1349232 A2 EP1349232 A2 EP 1349232A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- layer
- microwave resonator
- resonator according
- resonator
- Prior art date
- 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
Links
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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)
Abstract
Description
- Fig. 3
- einen Kreisresonator in Draufsicht,
- Fig. 4
- den Kreisresonator gemäß Fig. 3 im Schnitt entlang der Linie IV-IV,
- Fig. 5
- einen Kreisresonator in Draufsicht mit einer separaten Ankopplungszunge und
- Fig. 6
- einen Kreisresonator in Draufsicht mit einer separaten Ankopplungszunge und einem Spalt zwischen Ankopplungszunge und Kreisresonator in Form eines Kreissegmentes.
- 1
- Kreisresonator
- 2
- Bohrung
- 3
- leitfähige Schicht
- 4
- Oberseite
- 5
- Unterseite
- 6
- Öffnung
- 7
- Kreisresonator
- 8
- Ankopplungszunge
- 9
- Spalt
- 10
- Kreisresonator
- 11
- Spalt
- 12
- Substrat
- 13
- Signaleingang
Claims (9)
- Mikrowellenresonator, bestehend aus einem plattenförmig ausgebildeten und elektrisch isolierenden Substrat (12),dass nahe einer Stirnseite der leitfähigen Schicht (3), Bohrungen (2) aufweist,dass beidseitig mit einer elektrisch leitfähigen Schicht (3) belegt ist,wobei die Schicht (3) die Innenflächen der Bohrungen (2) bedeckt und damit die auf den beiden Seiten des Substrates (12) aufgetragenen Schichten (3) elektrisch miteinander verbindet, undwobei derjenige Bereich des Substrates (12) als Signaleingang (13) verwendbar ist, an dem der Randbereiche eines Teiles der Schicht (3) vom Substrat (12) isoliert einem anderen Teil der Schicht (3) gegenüberliegt,
- Mikrowellenresonator nach Anspruch 1, dadurch gekennzeichnet, dass die leitfähige Schicht (3), bzw. die Anordnung der Bohrungen (2) die Form einer Kreisscheibe aufweist und das Substrat (12) auf der Oberseite (4) und der Unterseite (5) mit der Schicht (3) belegt sind,dass die Bohrungen (2) am Rand der Kreisscheibe angeordnet sind, unddass in der Mitte der auf der Oberseite (4) angebrachten Schicht (3) eine Öffnung (6) als Signaleingang (13) angeordnet ist.
- Mikrowellenresonator nach Anspruch 1, dadurch gekennzeichnet, dass die leitfähige Schicht (3), bzw. die Anordnung der Bohrungen (2) die Form einer Kreisscheibe aufweist und das Substrat (12) auf der Oberseite (4) und der Unterseite (5) mit der Schicht (3) belegt sind,dass die Bohrungen (2) am Rand der Kreisscheibe angeordnet sind, unddass die Kreisscheibe als Signaleingang (13) eine von deren zentralen Bereich radial nach außen gerichtete Ankopplungszunge (8) mit der Länge L aufweist, die seitlich über einen Spalt (9) mit der Breite S von der Kreisscheibe beabstandet ist.
- Mikrowellenresonator nach Anspruch 3, dadurch gekennzeichnet, dass der Spalt (11) zwischen Ankoppelzunge (8) und Kreisscheibe kreissegmentförmig ausgebildet ist.
- Mikrowellenresonator nach Anspruch 3 oder 4, gekennzeichnet durch mehr als eine Ankoppelzunge (8).
- Mikrowellenresonator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Substrat (12) aus verlustarmen dielektrischen Material besteht.
- Mikrowellenresonator nach Anspruch 6, dadurch gekennzeichnet, dass das Substrat (12) aus Aluminiumoxid, Saphir, Quarzglas, Teflon oder dergleichen besteht.
- Mikrowellenresonator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schicht (3) aus leitfähigen Material besteht.
- Mikrowellenresonator nach Anspruch 8, dadurch gekennzeichnet, dass die Schicht (3) aus Gold, Silber, Kupfer, Aluminium, Supraleiter oder dergleichen besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10213766 | 2002-03-27 | ||
DE10213766.8A DE10213766B4 (de) | 2002-03-27 | 2002-03-27 | Mikrowellenresonator |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1349232A2 true EP1349232A2 (de) | 2003-10-01 |
EP1349232A3 EP1349232A3 (de) | 2003-11-12 |
EP1349232B1 EP1349232B1 (de) | 2007-04-18 |
Family
ID=27798207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03006616A Expired - Lifetime EP1349232B1 (de) | 2002-03-27 | 2003-03-25 | Mikrowellenresonator |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1349232B1 (de) |
AT (1) | ATE360267T1 (de) |
DE (2) | DE10213766B4 (de) |
ES (1) | ES2286346T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017122809B3 (de) * | 2017-09-29 | 2019-01-10 | Christian-Albrechts-Universität Zu Kiel | Filtereinrichtung mit Mikrowellenresonator |
US20240322417A1 (en) * | 2023-03-24 | 2024-09-26 | Qualcomm Incorporated | Radio frequency oscillator with ceramic resonator and surface-mounted integrated circuit package |
Citations (5)
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 (de) * | 1990-11-21 | 1992-05-27 | Valtronic France | Passives Bandpassfilter |
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)
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 ES ES03006616T patent/ES2286346T3/es not_active Expired - Lifetime
- 2003-03-25 AT AT03006616T patent/ATE360267T1/de not_active IP Right Cessation
- 2003-03-25 DE DE50307048T patent/DE50307048D1/de not_active Expired - Lifetime
- 2003-03-25 EP EP03006616A patent/EP1349232B1/de not_active Expired - Lifetime
Patent Citations (5)
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 (de) * | 1990-11-21 | 1992-05-27 | Valtronic France | Passives Bandpassfilter |
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)
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 |
---|---|
DE50307048D1 (de) | 2007-05-31 |
ATE360267T1 (de) | 2007-05-15 |
DE10213766A1 (de) | 2003-10-16 |
DE10213766B4 (de) | 2017-01-12 |
EP1349232B1 (de) | 2007-04-18 |
EP1349232A3 (de) | 2003-11-12 |
ES2286346T3 (es) | 2007-12-01 |
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