CN207504149U - Single ridged waveguides low-pass filter, waveguide duplexer - Google Patents
Single ridged waveguides low-pass filter, waveguide duplexer Download PDFInfo
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- CN207504149U CN207504149U CN201721559738.7U CN201721559738U CN207504149U CN 207504149 U CN207504149 U CN 207504149U CN 201721559738 U CN201721559738 U CN 201721559738U CN 207504149 U CN207504149 U CN 207504149U
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- waveguide
- ridge portion
- ridged waveguides
- single ridged
- pass filter
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- 238000007514 turning Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 3
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Abstract
The utility model discloses a kind of single ridged waveguides low-pass filters, form the rectangular waveguide of horizontal segment waveguide and vertical section waveguide along the vertical bending of broadside including one；Outside broadside center line is provided with the first ridge portion in the cavity of the horizontal segment waveguide；Outside broadside center line is provided with the second ridge portion in the cavity of the vertical section waveguide openend side, one group of column resonant body is provided on extended line of the second ridge portion towards the first ridge portion.The invention also discloses a kind of waveguide duplexers.Compared with prior art, the input and output of the utility model low-pass filter are single ridged waveguides and integrated 90 degree of turnings there are one single ridged waveguides, and the inhibition to far-end harmonic and the turning transmission of 90 degree of microwave signal can be achieved at the same time.It is applied in waveguide duplexer, can effectively reduces design difficulty, reduce small product size, reduces the cost of product.
Description
Technical field
The utility model is related to a kind of low-pass filter more particularly to a kind of single ridged waveguides low-pass filters.
Background technology
Compared with traditional rectangular waveguide, size possessed by ridge waveguide is small light-weight, and single-mode bandwidth is wide, main mould cut-off wave
The features such as long, causes ridge waveguide to have a wide range of applications in microwave engineering.Particularly in the relatively low microwave communication of some frequencies
In system, using the form of ridge waveguide compared to common rectangular waveguide, it can effectively reduce the volume and weight of system.
In point-to-point communication field, 6/7/8GHz is three common frequencies.It is more including Ericsson, Dragonwave etc.
Well-known microwave communication company of family requires that the waveguide duplexer of these three frequencies receives and emission port is using single ridged waveguides
Form.And the waveguide duplexer of these three frequency ranges has higher far-end harmonic to inhibit requirement.And common duplexer is in itself simultaneously
It cannot inhibit the harmonic wave of distal end, therefore the low-pass filter knot that can inhibit far-end harmonic must be integrated in duplexer design
Structure.Currently used ridge ripple waveguide lowpass, input and output are all standard rectangular waveguides, so if directly use, it must
It so also needs to increase primary standard rectangular waveguide to the transferring structure of ridge waveguide, the list of customer requirement is realized using conventional scheme
The port requirements of ridge waveguide.The volume size of duplexer will certainly be increased, cost can also increase.
Utility model content
The technical problem to be solved by the utility model is to overcome the shortage of prior art, a kind of single ridged waveguides low pass is provided
Wave filter, input and output are single ridged waveguides and integrated 90 degree of turnings there are one single ridged waveguides, be can be achieved at the same time to distal end
The inhibition of harmonic wave and the turning transmission of 90 degree of microwave signal.It is applied in waveguide duplexer, can effectively reduces design difficulty,
Reduce small product size, reduce the cost of product.
The utility model specifically solves above-mentioned technical problem using following technical scheme：
A kind of single ridged waveguides low-pass filter forms horizontal segment waveguide and vertical section including one along the vertical bending of broadside
The rectangular waveguide of waveguide；Outside broadside center line is provided with the first ridge portion in the cavity of the horizontal segment waveguide；Institute
It states in the cavity of vertical section waveguide openend side and outside broadside center line is provided with the second ridge portion, in second ridge
One group of column resonant body is provided on the extended line in the first ridge portion of direction of portion.
Preferably, between the first ridge portion and adjacent column resonant body and the second ridge portion and adjacent column are humorous
It is connected between vibration body by one for enhancing the stage portion of coupling.
Above-mentioned single ridged waveguides low-pass filter is applied in waveguide duplexer, can obtain following technical scheme：
A kind of waveguide duplexer, at least one port are single ridged waveguides low-pass filtering described in any of the above technical solution
Device.
Compared with prior art, technical solutions of the utility model have the advantages that：
The input and output of the utility model low-pass filter are single ridged waveguides and integrated 90 degree there are one single ridged waveguides
The inhibition to far-end harmonic and the turning transmission of 90 degree of microwave signal can be achieved at the same time in turning.It is applied to waveguide duplexer
In, design difficulty can be effectively reduced, reduces small product size, reduces the cost of product.
Description of the drawings
Fig. 1, Fig. 2 are that the 3-D solid structure of one specific embodiment of the utility model single ridged waveguides low-pass filter is illustrated
Figure；
Fig. 3 is the three-dimensional visible lines figure of one specific embodiment of the utility model single ridged waveguides low-pass filter；
Fig. 4 is the internal structure design ruler of a third-order filter example of the utility model single ridged waveguides low-pass filter
It is very little；
Fig. 5 is the frequency response chart of third-order filter shown in Fig. 4.
Reference numeral meaning is as follows in figure：
1st, vertical section waveguide, 2, horizontal segment waveguide, 3~5, column resonant body, 6, stage portion, 7, stage portion, 8, ridge
Type portion, 9 ridge portions.
Specific embodiment
The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings：
Fig. 1, Fig. 2 show the 3 D stereo knot of one specific embodiment of the utility model single ridged waveguides low-pass filter
Structure, Fig. 3 are the three-dimensional visible lines figure of the embodiment.As shown in Figures 1 to 3, the utility model single ridged waveguides low-pass filter packet
It includes one and forms horizontal segment waveguide 2 and vertical section waveguide 1 along the vertical bending of broadside（It should be noted that level herein
With vertical for relative concept, only two sections of waveguides of difference, therefore vice versa）Rectangular waveguide；The horizontal segment waveguide
Outside broadside center line is provided with ridge portion 9 in the cavity of pipe 2, therefore horizontal segment waveguide 2 is actually a single ridged waveguides；
As shown in Figures 1 to 3, outside broadside center line is provided with ridge portion 8 in the cavity of 1 openend side of vertical section waveguide, therefore
This section of vertical section waveguide with ridge portion 8 is actually also a single ridged waveguides, in ridge portion 8 towards ridge portion 9
One group of column resonant body 3~5 is provided on extended line.
Wave-guide cavity wave with column resonant body 3~5 constitutes low-pass filter, two sections of single ridged waveguides then conducts at both ends
The input/output port of the low-pass filter.Two sections of single ridged waveguides couple respectively with wave filter between the two, realize ridge waveguide
90 degree of turnings do not need to as traditional waveguide turning, need to increase matched step at turning.Column resonant body is filter
The resonator of wave device, coupling power between resonator resonator by control the distance between resonator or resonator it
Between connection step height realize.It, can be by between two resonators of control between coupling two weaker resonators
Distance controlling coupling, strong apart from small coupling, distance couples greatly weak.It is required between resonator and ridge portion for both ends
Coupling is most strong, thus the utility model set therebetween one for enhance coupling stage portion, i.e. 8 He of connection ridge portion
The stage portion 6 of adjacent column resonant body 3 and the stage portion 7 of connection ridge portion 9 and adjacent column resonant body 5.Using this
Kind stage portion enhances the purpose of coupling to realize, may be such that and necessary distance is kept between ridge portion and resonator, in order to add
Work；Otherwise to meet required close coupling, the distance between ridge portion and resonator can be excessively small so as to cause existing processing hand
Section is difficult to realize or realizes cost prohibitive.
The structural parameters of the single ridged waveguides low-pass filter of the utility model can be according to actual needs electric property use
The prior art（Such as the business softwares such as Couplefil, HFSS）It is designed.Fig. 4 shows third-order filter example
Internal structure design size.Fig. 5 shows the frequency response of third-order filter, it can be seen that the third-order filter has good electricity
Gas performance.
Above-mentioned single ridged waveguides low-pass filter is applied in waveguide duplexer, as the port of waveguide duplexer, can be had
Effect reduces design difficulty, reduces small product size, reduces the cost of product.The utility model single ridged waveguides low-pass filter is mainly transported
In duplexer for tri- relatively low frequency ranges of 6/7/8GHz, the harmonics restraint for realizing distal end while, also achieves single ridged waveguides
90 degree turning.
Claims (3)
1. a kind of single ridged waveguides low-pass filter, which is characterized in that form horizontal segment waveguide along the vertical bending of broadside including one
The rectangular waveguide of pipe and vertical section waveguide；Outside broadside center line is provided with first in the cavity of the horizontal segment waveguide
Ridge portion；Outside broadside center line is provided with the second ridge portion in the cavity of the vertical section waveguide openend side, in institute
It states and is provided with one group of column resonant body on the extended line in the first ridge portion of direction of the second ridge portion.
2. single ridged waveguides low-pass filter as described in claim 1, which is characterized in that the first ridge portion and adjacent column resonance
Connected between body and between the second ridge portion and adjacent column resonant body by a stage portion for enhancing to couple
It connects.
3. a kind of waveguide duplexer, which is characterized in that at least one port of the waveguide duplexer is described in claims 1 or 2
Single ridged waveguides low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559738.7U CN207504149U (en) | 2017-11-21 | 2017-11-21 | Single ridged waveguides low-pass filter, waveguide duplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559738.7U CN207504149U (en) | 2017-11-21 | 2017-11-21 | Single ridged waveguides low-pass filter, waveguide duplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504149U true CN207504149U (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721559738.7U Expired - Fee Related CN207504149U (en) | 2017-11-21 | 2017-11-21 | Single ridged waveguides low-pass filter, waveguide duplexer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749508A (en) * | 2017-11-21 | 2018-03-02 | 江苏贝孚德通讯科技股份有限公司 | Single ridged waveguides low pass filter, waveguide duplexer |
| CN109066045A (en) * | 2018-08-01 | 2018-12-21 | 中国航空工业集团公司雷华电子技术研究所 | Ridge waveguide wideband phase collocation structure |
-
2017
- 2017-11-21 CN CN201721559738.7U patent/CN207504149U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749508A (en) * | 2017-11-21 | 2018-03-02 | 江苏贝孚德通讯科技股份有限公司 | Single ridged waveguides low pass filter, waveguide duplexer |
| CN107749508B (en) * | 2017-11-21 | 2020-05-05 | 江苏贝孚德通讯科技股份有限公司 | Single ridge waveguide low pass filter and waveguide duplexer |
| CN109066045A (en) * | 2018-08-01 | 2018-12-21 | 中国航空工业集团公司雷华电子技术研究所 | Ridge waveguide wideband phase collocation structure |
| CN109066045B (en) * | 2018-08-01 | 2021-02-19 | 中国航空工业集团公司雷华电子技术研究所 | Ridge waveguide broadband phase compensation structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20211121 |