CN2796133Y - Electromagnetic band gap structure substate integrated wave guide cavity filter - Google Patents
Electromagnetic band gap structure substate integrated wave guide cavity filter Download PDFInfo
- Publication number
- CN2796133Y CN2796133Y CNU2005200724160U CN200520072416U CN2796133Y CN 2796133 Y CN2796133 Y CN 2796133Y CN U2005200724160 U CNU2005200724160 U CN U2005200724160U CN 200520072416 U CN200520072416 U CN 200520072416U CN 2796133 Y CN2796133 Y CN 2796133Y
- Authority
- CN
- China
- Prior art keywords
- dielectric substrate
- integrated
- cavity
- wave
- substrate
- 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.)
- Expired - Lifetime
Links
Images
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
- H01P1/2005—Electromagnetic photonic bandgaps [EPB], or photonic bandgaps [PBG]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses an electromagnetic band gap structure substrate integrated waveguide cavity filter. The utility model comprises a dielectric substrate of which both sides are respectively provided with a metal patch and a metal patch which is used as a metal floor; a dielectric substrate integrated cavity is arranged on the dielectric substrate; periodic array openings are respectively arranged on the metal patch used as a metal floor and the inner area of the dielectric substrate integrated cavity; both ends of the metal patch is respectively provided with a feeding point; the dielectric substrate integrated cavity is formed by the encirclement of plated through openings on the dielectric substrate. The utility model has the advantages of small size, low cost, high quality factor, low insertion loss and easy integration.
Description
Technical field
The utility model relates to a kind of filter, relates in particular to a kind of electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter.
Background technology
The microwave and millimeter wave filter is at a critical component of microwave millimeter Radio Frequency Subsystem, and particularly in the microwave and millimeter wave integrated circuit, radio-frequency front-end need be used low insertion loss, filter that selectivity is good.The filter that utilizes traditional manufacturing high quality factor microwave and millimeter wave wave filter technology (as traditional metal waveguide) to make has high quality factor value, low-loss advantage, but have simultaneously bulky, cost is high, be difficult to integrated shortcoming.
Summary of the invention
The utility model provides a kind of electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter that can improve the outer suppression characteristic of band, and it is little to have a volume, and cost is low, high quality factor, and low insertion loss is easy to integrated advantage.
The utility model adopts following technical scheme:
A kind of electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter, the dielectric substrate that comprises the two-sided metal patch that is respectively equipped with metal patch and uses as metal floor, on dielectric substrate, be provided with the integrated cavity of dielectric substrate, on the metal patch of using as metal floor and the zone that is positioned at the integrated inside cavity of dielectric substrate be provided with the periodic arrangement hole, two ends at metal patch are respectively equipped with distributing point, and the integrated cavity of above-mentioned dielectric substrate surrounds and constitutes by being located at plated-through hole on the dielectric substrate.
Compared with prior art, the utlity model has following advantage:
The utility model utilizes substrate integration wave-guide to have high Q value, low-loss characteristics, with substrate integrated wave-guide cavity wave as base unit, and adopt periodic electromagnetic bandgap structure (the Electromagnetic Bandgap such as cross recess of periodic arrangement hole, periodic arrangement, EBG) technology has been improved the performance of filter.The utility model utilization is being slotted on the metal skin plates and is being beaten a series of metal throuth hole and realize on dielectric substrate, thereby help integrated in the microwave and millimeter wave circuit design, the utility model adopts direct lotus root to close mode, remove the lotus root in several metal throuth holes formation slit between the substrate integrated wave-guide cavity wave that promptly faces mutually and close mode, compare with the coupled modes of fluting, energy emission loss and electromagnetic interference (additional benefits) have been eliminated, with co-planar waveguide to the substrate integrated wave-guide cavity wave feed, can be easily and microstrip line, connections such as coaxial line, go up the cross bath of etching class period profile at each substrate integrated wave-guide cavity wave lower surface (being metal floor) of common substrate integrated wave-guide cavity wave filter, be criss-cross EBG structure, improve characteristics such as the outer inhibition of common substrate integrated wave-guide cavity wave filter band.Concrete advantage is as follows:
1) its transmission parameter has good squareness factor and selectivity, owing to adopt direct lotus root to close mode, can transmit high-power;
2) with microstrip line as input/output interface, can be easily and microstrip line, coaxial line connects;
3) in the design of microwave and millimeter wave circuit, be easy to integrated.Owing to this filter is realized on dielectric substrate fully, and utilize the dielectric constant of dielectric substrate can regulate this filter size size very easily, thereby realization preferably and other microwave and millimeter wave circuit is integrated;
4) has higher Q value, very low insertion loss.This is that so compare with microstrip circuit, its Q value is than higher because this structure has and the similar characteristic of rectangular metal waveguide, and loss ratio is lower;
5) cost is low.Dielectric substrate can adopt the various microwave-medium plates of type such as polytetrafluoroethylene pressing plate, polytetrafluoroethylene Ceramic Composite dielectric substrate, LTCC, and does not need the special process, so cost is low;
6) cross bath of etching class period profile on each substrate integrated wave-guide cavity wave lower surface (being metal floor) of common substrate integrated wave-guide cavity wave filter, be criss-cross EBG structure, improved characteristics such as outer inhibition of common substrate integrated wave-guide cavity wave filter band and upper sideband frequency-selecting.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a vertical view of the present utility model.
Fig. 3 is a upward view of the present utility model.
Fig. 4 is a plated-through hole structural representation of the present utility model.
Fig. 5 is emulation and the test result figure of the utility model embodiment.
Fig. 6 is the utility model simulation result comparison diagram under the situation of the cross bath that etches and do not etch the class period profile on the metal floor.
Embodiment
A kind of electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter, the dielectric substrate 1 that comprises the two-sided metal patch 3 that is respectively equipped with metal patch 2 and uses as metal floor, on dielectric substrate 1, be provided with the integrated cavity 4 of dielectric substrate, on the metal patch of using as metal floor 3 and the regional etching that is positioned at the integrated cavity of dielectric substrate 4 inside the groove 41 of periodic arrangement is arranged, be respectively equipped with distributing point 7 at the two ends of metal patch 2,8, the integrated cavity 4 of above-mentioned dielectric substrate surrounds and constitutes by being located at plated-through hole 6 on the dielectric substrate 1, in the present embodiment, periodic arrangement groove 41 in the integrated cavity 4 of dielectric substrate is the cross recess of periodic arrangement, on dielectric substrate 1, be provided with the integrated cavity 4 of dielectric substrate of 2 phase cascades at least, for example: can adopt 2,3,5 integrated cavity cascades of dielectric substrate, between the integrated cavity of adjacent dielectric substrate, be provided with coupling slit 5, distributing point 7,8 adopt the coplanar wave guide feedback structure, above-mentioned plated-through hole is to offer through hole on dielectric substrate, metallic sheath 61 is set on through-hole wall and metallic sheath and the metal patch that is overlying on the dielectric substrate bilateral are coupled together.。
The utility model to dielectric constant be 3, three chambeies cross electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter (as Fig. 1-4) of realizing on the thick 1.5 millimeters microwave-medium substrate have carried out emulation and test, have obtained the simulation result and the test result of scattering parameter as shown in Figure 2.Its centre frequency is 5.75GHz, and relative bandwidth is 3.66%, and minimum is inserted loss less than 2.05dB, band is outer to be suppressed at-and below the 35dB.
Claims (4)
1, a kind of electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter, the dielectric substrate (1) that comprises the two-sided metal patch (3) that is respectively equipped with metal patch (2) and uses as metal floor, it is characterized in that on dielectric substrate (1), being provided with the integrated cavity of dielectric substrate (4), go up and be positioned at the inner zone of the integrated cavity of dielectric substrate (4) at the metal patch of using as metal floor (3) and be provided with periodic arrangement groove (41), two ends at metal patch (2) are respectively equipped with distributing point (7,8), the integrated cavity of above-mentioned dielectric substrate (4) surrounds formation by the plated-through hole (6) that is located on the dielectric substrate (1).
2, electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter according to claim 1 is characterized in that the periodic arrangement groove (41) in the integrated cavity of dielectric substrate (4) is the cross recess of periodic arrangement.
3, electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter according to claim 1 and 2, it is characterized in that on dielectric substrate (1), being provided with at least the integrated cavity of dielectric substrate (4) of 2 phase cascades, between the integrated cavity of adjacent dielectric substrate, be provided with coupling slit (5).
4, electromagnetic bandgap structure substrate integrated wave-guide cavity wave filter according to claim 1 is characterized in that distributing point (7,8) adopts the coplanar wave guide feedback structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200724160U CN2796133Y (en) | 2005-06-08 | 2005-06-08 | Electromagnetic band gap structure substate integrated wave guide cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200724160U CN2796133Y (en) | 2005-06-08 | 2005-06-08 | Electromagnetic band gap structure substate integrated wave guide cavity filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2796133Y true CN2796133Y (en) | 2006-07-12 |
Family
ID=36813880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200724160U Expired - Lifetime CN2796133Y (en) | 2005-06-08 | 2005-06-08 | Electromagnetic band gap structure substate integrated wave guide cavity filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2796133Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359760B (en) * | 2008-09-18 | 2012-04-18 | 中国科学院光电技术研究所 | MEMS electromagnetic band gap adjustable band-stop filter applied to K wave band |
| CN103682534A (en) * | 2013-12-26 | 2014-03-26 | 航天恒星科技有限公司 | Dielectric waveguide filter with defected ground loaded on magnetic coupling structure |
| CN105048042A (en) * | 2015-07-23 | 2015-11-11 | 南京航空航天大学 | Filter with loaded parallel double-slit structure based on substrate integrated waveguide (SIW) |
| TWI648904B (en) * | 2017-07-31 | 2019-01-21 | 啓碁科技股份有限公司 | Band pass filter, signal transmission method, and outdoor unit |
| CN109687068A (en) * | 2018-07-17 | 2019-04-26 | 云南大学 | Broadband SIGW bandpass filter |
| CN111509350A (en) * | 2019-01-30 | 2020-08-07 | 嘉联益科技(苏州)有限公司 | Microwave circuit structure and electronic device |
| CN111755785A (en) * | 2020-07-02 | 2020-10-09 | 重庆邮电大学 | Substrate integrated waveguide band-pass filter loaded with novel electromagnetic band gap and coplanar waveguide structure |
| CN114824704A (en) * | 2022-04-12 | 2022-07-29 | 电子科技大学 | Electromagnetic protection assembly based on substrate integrated waveguide |
-
2005
- 2005-06-08 CN CNU2005200724160U patent/CN2796133Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359760B (en) * | 2008-09-18 | 2012-04-18 | 中国科学院光电技术研究所 | MEMS electromagnetic band gap adjustable band-stop filter applied to K wave band |
| CN103682534A (en) * | 2013-12-26 | 2014-03-26 | 航天恒星科技有限公司 | Dielectric waveguide filter with defected ground loaded on magnetic coupling structure |
| CN103682534B (en) * | 2013-12-26 | 2016-05-04 | 航天恒星科技有限公司 | A kind of defect ground loads the Medium Wave Guide wave filter of magnetic coupling structure |
| CN105048042A (en) * | 2015-07-23 | 2015-11-11 | 南京航空航天大学 | Filter with loaded parallel double-slit structure based on substrate integrated waveguide (SIW) |
| TWI648904B (en) * | 2017-07-31 | 2019-01-21 | 啓碁科技股份有限公司 | Band pass filter, signal transmission method, and outdoor unit |
| CN109687068A (en) * | 2018-07-17 | 2019-04-26 | 云南大学 | Broadband SIGW bandpass filter |
| CN109687068B (en) * | 2018-07-17 | 2023-09-01 | 云南大学 | Broadband SIGW band-pass filter |
| CN111509350A (en) * | 2019-01-30 | 2020-08-07 | 嘉联益科技(苏州)有限公司 | Microwave circuit structure and electronic device |
| CN111755785A (en) * | 2020-07-02 | 2020-10-09 | 重庆邮电大学 | Substrate integrated waveguide band-pass filter loaded with novel electromagnetic band gap and coplanar waveguide structure |
| CN114824704A (en) * | 2022-04-12 | 2022-07-29 | 电子科技大学 | Electromagnetic protection assembly based on substrate integrated waveguide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2796133Y (en) | Electromagnetic band gap structure substate integrated wave guide cavity filter | |
| CN1925211A (en) | Half-modular substrate integral wave guide filter | |
| CN106654497B (en) | Minimized wide-band slow wave half module substrate integrated wave guide coupler and its design method | |
| CN109301416B (en) | Suspended substrate integrated waveguide transmission line | |
| CN113270705B (en) | Microstrip line probe conversion structure of millimeter wave transceiver antenna | |
| JP7345952B2 (en) | HMCSIW dual bandpass filter with L-shaped stub added | |
| CN100418263C (en) | Hemi-membrane substrate integrated waveguide | |
| CN200956399Y (en) | Substrate integrated waveguide quasi-inductive window filter | |
| CN102709658A (en) | Half mode double-ridge substrate integrated waveguide with transitional balanced micro-strip lines | |
| CN1851974A (en) | Common-face wave-guide coupling-substrate integrated wave-guide circular cavity wave-filter | |
| CN2798332Y (en) | Integrated waveguide cavity filter with damaged bottom structure substrate | |
| CN2796130Y (en) | Low resistance-high resistance short microstrip line substrte integrated cavity filter | |
| CN103647123B (en) | Half mode substrate integration waveguide horizontal symmetrical filter | |
| CN2888662Y (en) | High-performance waveguide filter with integrated microwave/millimeter wave substrate | |
| CN1964131A (en) | A filter of direct coupling triangle substrate integral waveguide cavity | |
| CN2886828Y (en) | Millimeter wave positioning coupler | |
| CN1700513A (en) | Chip integrated waveguide broad-band multipath power distributor | |
| CN200950463Y (en) | Substrate integrated waveguide quasi-inductive through hole filter | |
| CN200950464Y (en) | Semi-module substrate integrated waveguide filter | |
| CN2879445Y (en) | Integrated wave-guide rounded cavity filter for coplanar wave-guide coupling substrate | |
| CN2877052Y (en) | Direct coupled substrate integrated waveguide spheric cavity filter | |
| CN1928598A (en) | Substrate integrated waveguide quasi-sensitive window filter | |
| CN200965912Y (en) | Seminorm substrate integral waveguide 90 degree 3-dB directional coupler | |
| CN104466316A (en) | 2X wave band defect joint structure-half mode substrate integrated waveguide filter | |
| CN1929192A (en) | Base-plate integrative waveguide pseudo inductive through-hole filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150608 Granted publication date: 20060712 |