CN2888662Y - High-performance waveguide filter with integrated microwave/millimeter wave substrate - Google Patents
High-performance waveguide filter with integrated microwave/millimeter wave substrate Download PDFInfo
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- CN2888662Y CN2888662Y CN 200620068927 CN200620068927U CN2888662Y CN 2888662 Y CN2888662 Y CN 2888662Y CN 200620068927 CN200620068927 CN 200620068927 CN 200620068927 U CN200620068927 U CN 200620068927U CN 2888662 Y CN2888662 Y CN 2888662Y
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- millimeter wave
- integrated waveguide
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- filter
- metal
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Abstract
The utility model discloses a microwave millimeter wave substrate integrated waveguide high performance wave filter for microwave millimeter wave circuit, which comprises double sided medium substrate with metal patch, medium substrate is provided with integrated waveguide, the integrated waveguide comprises at least two rows of metal through hole, one surface of medium substrate is provided with input terminal and output terminal, input terminal and output terminal are connected with both ends of metal patch on medium substrate surface respectively, E -plane inductive band is provided in center line position of integrated waveguide, the E -plane inductive band is metal through hole. The utility model utilizes traditional PCB or LTCC process realize, so as to facilitate integration of such wave filter in microwave millimeter wave circuit design, the wave filter has simple structural form, is easy to design at low cost, almost free of parasitic radiation, has good frequency selectivity.
Description
Technical field
The utility model relates to a kind of substrate integral wave guide filter that is applied to the microwave and millimeter wave circuit, relates in particular to a kind of micro-wave milimeter substrate integrated wave-guide high performance filter.
Background technology
Along with the fast development of Modern Communication System, more and more higher to the requirement of whole radio system, low to production cost, performance is high, production technology is simple, requirement in light weight, radio system that volume is little is more and more urgent.As one of critical component in the radio system, the microwave and millimeter wave filter plays important effect in radio system.It can limit system signal is transmitted and received within certain frequency range in radio system, can be used for the duplexer of radio system, as a critical component of the feed system of microwave and millimeter wave antenna.Utilize micro-band technique can design little, the lightweight filter of volume, but in the high-frequency microwave frequency range, this filter parasitic radiation is bigger, inserts loss and also be difficult to satisfy system requirements.Therefore in the system of high frequency microwave frequency bands such as millimeter wave, usually utilize metal waveguide to realize optionally filter of high Q value, low-loss, high-frequency, but this rectangular waveguide filter is difficult to processing, particularly at millimeter wave band, making this filter needs very high machining accuracy; Secondly the production cost of this filter is relatively more expensive; The 3rd this filter volume ratio is huger, is difficult to be applied among the design of microwave, millimetre integrated circuit.Therefore, press for that a kind of frequency selectivity height, volume are little, in light weight, the high and low loss of Q value, low cost, be easy to integrated microwave and millimeter wave filter, be beneficial to the design of microwave and millimeter wave integrated circuit.
Summary of the invention
The utility model provides a kind of and is easy to processing and has good frequency selective characteristic micro-wave milimeter substrate integrated wave-guide high performance filter.
The utility model adopts following technical scheme:
A kind of micro-wave milimeter substrate integrated wave-guide high performance filter that is applied to the microwave and millimeter wave circuit, comprise the two-sided dielectric substrate that is provided with metal patch, on dielectric substrate, be provided with integrated waveguide, this integrated waveguide is made of 2 row metal through holes at least, on a surface of dielectric substrate, be provided with input and output, input is connected with the two ends that are positioned at the lip-deep metal patch of this dielectric substrate respectively with output, be provided with E face perception band on the position of center line of integrated waveguide, this E face perception band is metal throuth hole.
Compared with prior art, the utlity model has following advantage:
The utility model is to utilize substrate integrated waveguide technology, has realized filter on dielectric substrate.Whole filter utilizes traditional PCB or LTCC technology to realize, thereby helps this filter integrated in the microwave and millimeter wave circuit design.This filter construction form is simple, is easy to design.Specifically have following advantage:
1) whole filter mainly is made of metal throuth hole, metal patch and E face perception band, and total can utilize traditional PCB or LTCC technology to realize.
2) this filter does not almost have parasitic radiation, has good frequency selective characteristic, smaller insertion loss.
3) this Design of Filter design cost is cheap, does not need extra debugging after machining.
4) this filter can work in high frequency (greater than the 10GHz) microwave circuit, and the size of filter is little, in light weight, simple in structure simultaneously.
5) the utility model is easy to processing.Its reason is that at millimeter wave frequency band, device volume is less.When utilizing conventional art to carry out the design of device, need very high machining accuracy.When utilizing dielectric substrate design millimetric wave device, in order to reduce the loss of device, use thin dielectric substrate usually, this softer, therefore realizing that processing is the processing that destroys medium easily or be difficult to realize device.Total of the present utility model is formed by less metal throuth hole, when forming device on dielectric substrate, can not destroy dielectric substrate, can utilize traditional PCB technology to realize the processing of higher accuracy simultaneously.
6) filter upper and lower surface of the present utility model covers by metal, thereby make that energy can be to space radiation, also make device that higher Q value is arranged, less Insertion Loss, it can realize that zero-clearance is integrated with other substrate integration wave-guide device on the other hand, utilizes traditional microwave and millimeter wave Design of Filter technology can realize having the filter of good frequency selective characteristic simultaneously.
Description of drawings
Fig. 1 is the utility model structural front view.
Fig. 2 is the utility model structure rearview.
Fig. 3 is the partial enlarged drawing of the utility model structure A-A cutaway view.
Fig. 4 is to test result figure of the present utility model.
Embodiment
A kind of micro-wave milimeter substrate integrated wave-guide high performance filter that is applied to the microwave and millimeter wave circuit, comprise the two-sided metal patch 52 that is provided with, 51 dielectric substrate 5, on dielectric substrate 5, be provided with integrated waveguide, this integrated waveguide is at least by 2 row (present embodiments optional 2,3,4 or multirow more) metal throuth hole 1 constitutes, on a surface of dielectric substrate 5, be provided with input 2 and output 3, input 2 is connected with the two ends that are positioned at these dielectric substrate 5 lip-deep metal patches 52 respectively with output 3, be provided with E face perception and be with 7 on the position of center line of integrated waveguide, this E face perception is with 7 to be metal throuth hole.Above-mentioned E face perception can be 1,3,4 or 6 etc. with 7 quantity, constituting E face perception can be 1,2,3,5 or 6 etc. with the quantity of 7 metal throuth hole, in the present embodiment, on the position of center line of integrated waveguide, be provided with 4 E face perception and be with 7, two E face perception that are positioned at the outside are all selected 1 with the quantity of 7 metal throuth hole, are positioned at two inboard E face perception and all select 3 with the quantity of 7 metal throuth hole.Test result of the present utility model is as shown in Figure 4: the object of test is three rank substrate integration wave-guides perception through hole band filters, and it is of a size of 2.7cm * 1.1cm.This filter works in the 30.0GHz frequency range, and bandwidth is 30.0GHz-31.0GHz, and test result shows that in band it reflects less than-15dB, and its Insertion Loss is-1.98dB.
Claims (2)
1, a kind of micro-wave milimeter substrate integrated wave-guide high performance filter, comprise the two-sided metal patch (52 that is provided with, 51) dielectric substrate (5), on dielectric substrate (5), be provided with integrated waveguide, this integrated waveguide is made of 2 row metal through holes (1) at least, on a surface of dielectric substrate (5), be provided with input (2) and output (3), input (2) is connected with the two ends that are positioned at the lip-deep metal patch of this dielectric substrate (5) (52) respectively with output (3), it is characterized in that being provided with on the position of center line of integrated waveguide E face perception band (7), this E face perception band (7) is a metal throuth hole.
2, micro-wave milimeter substrate integrated wave-guide high performance filter according to claim 1 is characterized in that being provided with 4 E face perception bands (7) on the position of center line of integrated waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620068927 CN2888662Y (en) | 2006-01-26 | 2006-01-26 | High-performance waveguide filter with integrated microwave/millimeter wave substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620068927 CN2888662Y (en) | 2006-01-26 | 2006-01-26 | High-performance waveguide filter with integrated microwave/millimeter wave substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2888662Y true CN2888662Y (en) | 2007-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620068927 Expired - Lifetime CN2888662Y (en) | 2006-01-26 | 2006-01-26 | High-performance waveguide filter with integrated microwave/millimeter wave substrate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834339A (en) * | 2010-04-23 | 2010-09-15 | 电子科技大学 | Substrate integrated wave guide structure delay line |
| CN103138031A (en) * | 2011-11-30 | 2013-06-05 | 西安电子科技大学 | Duplexer |
| CN104134835A (en) * | 2014-08-01 | 2014-11-05 | 南京邮电大学 | Novel filter based on substrate integration non-radiative dielectric waveguide |
| CN105206903A (en) * | 2015-09-06 | 2015-12-30 | 哈尔滨工业大学 | Folding type half-mode substrate integrated waveguide broadband band-pass filter |
| CN107579318A (en) * | 2017-08-31 | 2018-01-12 | 电子科技大学 | Millimeter wave tunable filter |
| CN110336105A (en) * | 2019-06-05 | 2019-10-15 | 华中科技大学 | A kind of SIW bandpass filter loading square plate type SSPP structure |
-
2006
- 2006-01-26 CN CN 200620068927 patent/CN2888662Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834339A (en) * | 2010-04-23 | 2010-09-15 | 电子科技大学 | Substrate integrated wave guide structure delay line |
| CN103138031A (en) * | 2011-11-30 | 2013-06-05 | 西安电子科技大学 | Duplexer |
| CN104134835A (en) * | 2014-08-01 | 2014-11-05 | 南京邮电大学 | Novel filter based on substrate integration non-radiative dielectric waveguide |
| CN104134835B (en) * | 2014-08-01 | 2016-03-23 | 南京邮电大学 | A kind of Novel Filter based on the integrated non-radiative dielectric waveguide of substrate |
| CN105206903A (en) * | 2015-09-06 | 2015-12-30 | 哈尔滨工业大学 | Folding type half-mode substrate integrated waveguide broadband band-pass filter |
| CN105206903B (en) * | 2015-09-06 | 2018-06-12 | 哈尔滨工业大学 | Folded form half module substrate integrated wave guide broadband band-pass filter |
| CN107579318A (en) * | 2017-08-31 | 2018-01-12 | 电子科技大学 | Millimeter wave tunable filter |
| CN110336105A (en) * | 2019-06-05 | 2019-10-15 | 华中科技大学 | A kind of SIW bandpass filter loading square plate type SSPP structure |
| CN110336105B (en) * | 2019-06-05 | 2020-08-04 | 华中科技大学 | SIW band-pass filter loaded with square-disc SSPP structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070411 |
|
| EXPY | Termination of patent right or utility model |