CN203445217U - Satellite data transmission waveguide combiner - Google Patents
Satellite data transmission waveguide combiner Download PDFInfo
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- CN203445217U CN203445217U CN201320447090.XU CN201320447090U CN203445217U CN 203445217 U CN203445217 U CN 203445217U CN 201320447090 U CN201320447090 U CN 201320447090U CN 203445217 U CN203445217 U CN 203445217U
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- end filter
- data transmission
- satellite data
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- filter
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Abstract
The utility model provides a satellite data transmission waveguide combiner. The satellite data transmission waveguide combiner includes a T-shaped connector as well as a high-end filter and a low-end filter which are connected with the T-shaped connector. The high-end filter and the low-end filter respectively comprise a plurality of rectangular waveguide resonant cavities, wherein adjacent rectangular waveguide resonant cavities are connected with each other through inductive diaphragm coupling structures or elliptic function transmission zero coupling structures. High-frequency signals and low-frequency signals are respectively fed into the high-end filter and the low-end filter and are combined by the T-shaped connector and are outputted. According to a traditional rectangular waveguide combiner, the improvement of sideband suppression only relies on the increase of the number of the sections of filters, and as a result, the number of the sections of the filters in the traditional combiner is too large, and the size of the traditional combiner is large, whiled the design of the satellite data transmission waveguide combiner of the utility model is based on a Chebyshev function prototype, and elliptic function transmission zeros are led onto a diaphragm, and therefore, the above problems in the prior art can be solved, and the flexibility of combiner design is improved.
Description
Technical field
The utility model relates to mixer technical field, relates in particular to a kind of satellite data transmission waveguide combiner.
Background technology
At present, the filter in traditional X-band satellite data transmission waveguide combiner be take chebyshev function prototype conventionally as basis, uses inductance diaphragm coupled structure to realize.Traditional waveguide combiner has following shortcoming: the filter in conventional waveguide mixer is increased the joint number of resonant cavity or introduced transmission zero by extra resonance chamber by employing, realization reaches higher suppress sideband in narrower transition band, thereby make the volume of filter large, weight increases.
Utility model content
The utility model is a kind of satellite data transmission waveguide combiner, comprise: T shape connector, high end filter and low end filter, one end of described high end filter and described low end filter is all connected with one end of described T shape connector, described high end filter and the described low end filter other end be signal input port and receive respectively high and low frequency signal, and the described T shape connector other end is signal output port; It is characterized in that, described high end filter and described low end filter include some rectangular-wave resonant cavities, described rectangular-wave resonant cavity is along arranging on the length direction of described high end filter and described low end filter or according to the set positional alignment that reserved area and described signal input port and the described signal output port of described satellite data transmission waveguide combiner are set, being connected described in adjacent two between rectangular-wave resonant cavity two ends by inductance diaphragm coupled structure or elliptic function transmission zero coupled structure.
In some embodiment, described in each, inductance diaphragm coupled structure comprises two inductive iris, and described two inductive iris lay respectively at the both sides on the same cross section of described rectangular-wave resonant cavity, between described two inductive iris, forms resonant cavity.
In some embodiment, described elliptic function transmission zero coupled structure comprises polygon diaphragm, capacitive coupling window and inductive coupled window, described polygon diaphragm is positioned on the cross section of described rectangular-wave resonant cavity, described capacitive coupling window is positioned at the upper end of described polygon diaphragm, and described inductive coupled window is positioned at the lower end of described polygon diaphragm.
In some embodiment, on the one end being connected with low end filter with described high end filter on described T shape connector, be provided with bottom film sheet; On the both sides in the same cross section of the other end of described T shape connector, be respectively arranged with two output diaphragms, and the relative passage that forms of described two output diaphragms, described bottom film sheet is relative with described passage.
In some embodiment, on the signal input port of the signal output port of described T shape connector, described high end filter and described low end filter, be provided with standard flange.
In some embodiment, the model of described standard flange is WR112.
In some embodiment, the type of the waveguide of the rectangular-wave resonant cavity of described high end filter and described low end filter is WR112 waveguide.
The utility model, owing to adopting above technical scheme, makes it compared with prior art, and the advantage having and good effect are:
It is a kind of satellite data transmission waveguide combiner that the purpose of this utility model is to provide, by introduce elliptic function transmission zero coupled structure on coupling iris, make two sidebands up and down of each filter reach high inhibition by narrower transition band, retained waveguiding structure simple, firm, the feature such as handling ease and Insertion Loss are low simultaneously.Various performance requirements when Insertion Loss meets mixer communication in the band of the return loss of each port of the present utility model, suppress sideband, each passage.The utility model is simple for structure, firm, and under equal Out-of-band rejection, size is little, Insertion Loss is low, adapts to harsh mechanics, temperature environment, has solved the problem that mixer median filter joint number was many in the past, volume is larger.
Accompanying drawing explanation
By reference to the accompanying drawings, by the detailed description of stating below, can more clearly understand above-mentioned and other feature and advantage of the present utility model, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is high and low end waveguide filter inner-cavity structure figure;
Fig. 3 is inductive iris coupled structure figure;
Fig. 4 is elliptic function transmission zero coupled structure figure;
Fig. 5 is T shape connector construction figure;
Fig. 6 is frequency range distribution map of the present utility model
Fig. 7 is the transmission coefficient figure of low end filter;
Fig. 8 is the return loss plot of low end filter;
Fig. 9 is the transmission coefficient figure of high end filter;
Figure 10 is the return loss plot of low end filter.
Symbol description:
1-T shape connector
The low end filter of 2-
The high end filter of 3-
4-rectangular-wave resonant cavity
5-inductance diaphragm coupled structure
6-elliptic function transmission zero coupled structure
7-inductive iris
8-coupling window
9-polygon diaphragm
10-capacitive coupling window
The inductive coupled window of 11-
12-output diaphragm
13-bottom film sheet
1a, 2a, 3a-standard flange
Embodiment
Referring to the accompanying drawing that the utility model embodiment is shown, below the utility model will be described in more detail.Yet the utility model can be with many multi-form realizations, and should not be construed as the restriction of the embodiment being subject in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may amplify size and the relative size in layer and region.
With reference to figure 1-5, the utility model provides a kind of satellite data transmission waveguide combiner, after the signal of different frequency is closed to road, exports.This satellite data transmission waveguide combiner comprises T shape connector 1, high end filter 2 and low end filter 3, and one end of high end filter 2 and low end filter 3 is all connected with T shape connector 1, and the other end of high end filter 2 and low end filter 3 is signal input port.Wherein, the signal input port of high end filter 2 receives high-frequency data, and low end filter 3 receives low-frequency data.A kind of satellite data transmission waveguide combiner that the utility model provides, is applicable to the satellite data of different-waveband, below for the satellite data of X-band, is that example is elaborated.
In the present embodiment, high end filter 2 and low end filter 3 have included some rectangular-wave resonant cavities 4, some rectangular-wave resonant cavities 4 are along arranging on the length direction of high end filter 2 and low end filter 3 or according to the set positional alignment that reserved area and signal input port and the described signal output port of satellite data transmission waveguide combiner are set, being connected between adjacent two rectangular-wave resonant cavity 4 two ends by inductance diaphragm coupled structure 5 or elliptic function transmission zero coupled structure 6.And be respectively arranged with standard flange 2a, 3a on one end of high end filter 2 and low end filter 3, this end is the signal input port of high end filter 2 and low end filter 3, and high-frequency signal and low frequency signal are respectively in the signal input port feed-in rectangular-wave resonant cavity 4 of high end filter 2 and low end filter 3; The other end of high end filter 2 and low end filter 3 is connected on T shape connector 1.Concrete, between some rectangular-wave resonant cavities 4, be provided with some inductance diaphragm coupled structures 5 and elliptic function transmission zero coupled structure 6, arrangement mode as shown in Figure 2, between several inductance diaphragm coupled structures 5, be provided with an elliptic function transmission zero coupled structure 6, certainly putting in order between inductance diaphragm coupled structure 5 and elliptic function transmission zero coupled structure 6 is not restricted herein, can determine as the case may be.
In the present embodiment, with reference to figure 3, inductance diaphragm coupled structure 5 comprises two inductive iris 7 and coupling window 8, two inductive iris 7 arrange and lay respectively at the both sides in same cross section along the cross section of rectangular-wave resonant cavity 4, between the upper and lower end face of rectangular-wave resonant cavity 4 and two inductive iris 7, be coupling window 8.With reference to figure 4, elliptic function transmission zero coupled structure 6 comprises polygon diaphragm 9, capacitive coupling window 10 and inductive coupled window 11; Polygon diaphragm 9 arranges along the cross section of rectangular-wave resonant cavity 4, and polygon diaphragm 9 upper ends are provided with the first rectangular indentation, and the upper surface of this first rectangular indentation and rectangular-wave resonant cavity 4 forms capacitive coupling window 10; On the lower end of polygon diaphragm 9, be provided with the second breach, between this second breach and the lower surface of rectangular-wave resonant cavity 4, form inductive coupled window 11.The utility model by introducing elliptic function transmission zero coupled structure 6 on coupling iris, between adjacent two sense diaphragm coupled structures 5 and elliptic function transmission zero coupled structure 6, coupling window 8 forms a K converter with capacitive coupling window 10 and inductive coupled window 11, thereby makes two sidebands up and down of each filter reach high inhibition by narrower transition band (being capacitive coupling window 10 and inductive coupled window 11); Therefore make the utility model simple for structure, firm, under equal Out-of-band rejection, size is little, Insertion Loss is low, adapts to harsh mechanics, temperature environment.
In the present embodiment, on the link of T shape connector 1 and high end filter 2 and low end filter 3, be provided with bottom film sheet 13, on the both sides in the cross section of the other end of T shape connector, be respectively arranged with output diaphragm 12, and the output diaphragm of the both sides in the cross section of the other end of T shape connector forms a passage relatively, and bottom film sheet 13 is relative with this passage; On the other end of T shape connector, be provided with standard flange 1a, be the signal output port of T shape connector.High and low frequency signal is input in T shape connector 1 after filtering via high end filter 2 and low end filter 3 respectively, closes behind road successively through bottom film sheet 13 and output diaphragm 12, by the signal output port of T shape connector, is exported.
In the present embodiment, on the input port of the output port of T shape connector 1, high end filter 2 and low end filter 3, be provided with standard flange 1a, 2a, 3a, and the model of standard flange 1a, 2a, 3a is FB84.In addition, the type of the waveguide of the rectangular-wave resonant cavity 4 of high end filter 2 and low end filter 3 is WR112 waveguide.Certainly the model of above-mentioned each parts is a kind of embodiment, can adjust as the case may be, is not restricted herein.
In the present embodiment, the utility model provides a kind of size of satellite data transmission waveguide combiner to adopt corresponding theoretical acquisition according to performance requirement, the size of each parts is included in following scope: the wide a1 of rectangular-wave resonant cavity 4 is 28.5mm, and high b1 is 12.62mm, and long is 18mm-25mm; In inductance diaphragm coupled structure 5, the wide m1 of inductance diaphragm 7 is 3mm-8mm, and high b1 is 12.62mm; The wide o1 of coupling window 8 is 12mm-22mm, and high b1 is 12.62mm; In elliptic function transmission zero coupled structure 6, the wide o2 of capacitive coupling window 10 is 20mm-28.5mm, and high ob2 is 3mm-6mm; The wide o3 of inductive coupled window 11 is 5mm-12mm, and high ob3 is 3mm-6mm; The wide o4 of output diaphragm 12 is 0.4mm-3mm, and high mb1 is 1mm-5mm; The wide o5 of bottom film sheet 13 is 0.4mm-5mm, and high mb2 is 2mm-20mm.Certainly the size of above-mentioned each parts is to design for the satellite data transmission for X-band, and the number that the utility model also can be used for other wave band passes, and in the concrete process of using, corresponding size can be adjusted as the case may be.
When the utility model applies to the X-band of satellite data transmission, its frequency range distributes as shown in Figure 6, and wherein, the centre frequency of low end filter 3 is f
1o, bandwidth is W, excessively band is W
1; The centre frequency of high end filter 2 is f
2o, bandwidth is W, excessively band is W
1; Between two frequency ranges of low end filter and high end filter, excessively the centre frequency of frequency band is f
o; f
o, f
1o, f
2owith W, W
1correlation be:
the relative bandwidth of low side filter passband is
the relative bandwidth of high-end filter passband is
between two frequency ranges of low end filter and high end filter, excessively the relative bandwidth of band is
The relative performance of X-band waveguide combiner requires:
At f
1o± W/2 and f
2obe less than-20dB of return loss in ± W/2 frequency range;
At f
1o± W/2 ± W
1and f
2o± W/2 ± W
1be less than-40dB of inhibition outside frequency range.
Fig. 7-10th, transmission coefficient figure of the present utility model and return loss plot, wherein Fig. 7 and Fig. 9 are the transmission coefficients of low end filter and high end filter, at f
1o± W/2 ± W
1and f
2o± W/2 ± W
1all be less than-40dB of inhibition outside frequency range; Fig. 8 and Figure 10 are the return loss of low end filter and high end filter, at f
1o± W/2 and f
2oall be less than-20dB of return loss in ± W/2 frequency range, the utility model has reached the effect of reservation as can be seen here.And the utility model meets the electrical property technical requirement that signal post needs completely.Under given overall dimension condition, mixer, in the situation that other performances are constant, designs before volume and weight is all less than.
In sum, the utility model provides a kind of satellite data transmission waveguide combiner, comprises T shape connector and the high end filter being attached thereto and low end filter.Wherein, high end filter and low end filter have included some rectangular-wave resonant cavities, between adjacent rectangle waveguide resonant cavity, by inductive iris coupled structure or elliptic function transmission zero coupled structure, are connected.High and low frequency signal is the high and low end filter of feed-in respectively, after T shape connector closes road, exports.A kind of satellite data transmission waveguide combiner that the utility model provides, for traditional rectangular waveguide combiner, only rely on and increase joint number raising suppress sideband, thereby when design, take chebyshev function prototype as basis, by having introduced elliptic function transmission zero on diaphragm, solved that mixer median filter joint number was many in the past, volume is larger, has improved the flexibility of mixer design.
Those skilled in the art should be understood that the utility model can not depart from spirit or scope of the present utility model with many other concrete forms realizations.Although also described embodiment of the present utility model, the utility model should be understood and these embodiment should be restricted to, within the utility model spirit and scope that those skilled in the art can define as appended claims, make and change and revise.
Claims (7)
1. a satellite data transmission waveguide combiner, comprise: T shape connector, high end filter and low end filter, one end of described high end filter and described low end filter is all connected with one end of described T shape connector, described high end filter and the described low end filter other end be signal input port and receive respectively high and low frequency signal, and the described T shape connector other end is signal output port; It is characterized in that, described high end filter and described low end filter include some rectangular-wave resonant cavities, described some rectangular-wave resonant cavities are along arranging on the length direction of described high end filter and described low end filter or according to the set positional alignment that reserved area and described signal input port and the described signal output port of described satellite data transmission waveguide combiner are set, being connected described in adjacent two between rectangular-wave resonant cavity two ends by inductance diaphragm coupled structure or elliptic function transmission zero coupled structure.
2. satellite data transmission waveguide combiner according to claim 1, it is characterized in that, described in each, inductance diaphragm coupled structure comprises two inductive iris, described two inductive iris lay respectively at the both sides on the same cross section of described rectangular-wave resonant cavity, between described two inductive iris, form a resonant cavity.
3. satellite data transmission waveguide combiner according to claim 1 and 2, it is characterized in that, described elliptic function transmission zero coupled structure comprises polygon diaphragm, capacitive coupling window and inductive coupled window, described polygon diaphragm is positioned on the cross section of described rectangular-wave resonant cavity, described capacitive coupling window is positioned at the upper end of described polygon diaphragm, and described inductive coupled window is positioned at the lower end of described polygon diaphragm.
4. satellite data transmission waveguide combiner according to claim 1, is characterized in that, on the one end being connected, is provided with bottom film sheet on described T shape connector with described high end filter with low end filter; On the both sides in the same cross section of the other end of described T shape connector, be respectively arranged with two output diaphragms, and the relative passage that forms of described two output diaphragms, described bottom film sheet is relative with described passage.
5. satellite data transmission waveguide combiner according to claim 1, is characterized in that, on the signal input port of the signal output port of described T shape connector, described high end filter and described low end filter, is provided with standard flange.
6. satellite data transmission waveguide combiner according to claim 5, is characterized in that, the model of described standard flange is WR112.
7. satellite data transmission waveguide combiner according to claim 1, is characterized in that, the waveguide type of the rectangular-wave resonant cavity of described high end filter and described low end filter is WR112 waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447090.XU CN203445217U (en) | 2013-07-25 | 2013-07-25 | Satellite data transmission waveguide combiner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447090.XU CN203445217U (en) | 2013-07-25 | 2013-07-25 | Satellite data transmission waveguide combiner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713412A (en) * | 2018-12-20 | 2019-05-03 | 常州机电职业技术学院 | A kind of tunable face the E cutting face H waveguide bandpass filter and its design method |
| CN109755704A (en) * | 2019-01-09 | 2019-05-14 | 内蒙古大学 | The bimodulus rectangular waveguide filter and its multi-stage filter part of low structure depth-to-width ratio |
| CN115117581A (en) * | 2022-07-19 | 2022-09-27 | 电子科技大学 | High no-load Q value filtering power divider based on 3D printing |
-
2013
- 2013-07-25 CN CN201320447090.XU patent/CN203445217U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713412A (en) * | 2018-12-20 | 2019-05-03 | 常州机电职业技术学院 | A kind of tunable face the E cutting face H waveguide bandpass filter and its design method |
| CN109713412B (en) * | 2018-12-20 | 2024-03-29 | 常州机电职业技术学院 | Tunable E-plane cutting H-plane waveguide band-pass filter and design method thereof |
| CN109755704A (en) * | 2019-01-09 | 2019-05-14 | 内蒙古大学 | The bimodulus rectangular waveguide filter and its multi-stage filter part of low structure depth-to-width ratio |
| CN115117581A (en) * | 2022-07-19 | 2022-09-27 | 电子科技大学 | High no-load Q value filtering power divider based on 3D printing |
| CN115117581B (en) * | 2022-07-19 | 2023-08-22 | 电子科技大学 | Filtering power divider with high unloaded Q value based on 3D printing |
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| GR01 | Patent grant | ||
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Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |