CN204577545U - Bandpass filtering structure and radome - Google Patents
Bandpass filtering structure and radome Download PDFInfo
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- CN204577545U CN204577545U CN201520311913.5U CN201520311913U CN204577545U CN 204577545 U CN204577545 U CN 204577545U CN 201520311913 U CN201520311913 U CN 201520311913U CN 204577545 U CN204577545 U CN 204577545U
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Abstract
The utility model embodiment provides a kind of bandpass filtering structure and radome, and wherein bandpass filtering structure comprises: multilayer band pass wave filtering layer, and bandpass filtering layer comprises dielectric layer and is arranged at the conductive layer on dielectric layer; Every layer of conductive layer all has the hollow hole according to periodic array arrangement, in hollow hole, be provided with conduction geometry; Wherein, the geometry that conducts electricity comprises at least two connected buss.To realize the electromagnetic wave transparent to different frequency range scope, and wave transparent scope is larger; In addition, the utility model also makes the electromagnetic wave outside wave transparent scope suppressed, makes the scope of roll-offing lower than specific ripple frequently, while realizing wave transparent, also has lower loss, and provides more Frequency Band Selection, the sense of lifting Consumer's Experience for user.
Description
Technical field
The utility model relates to technical field of electronic components, in particular to a kind of bandpass filtering structure and radome.
Background technology
Bandpass filtering structure refers to by the frequency component in a certain frequency range but the frequency component within the scope of this is decayed to extremely low-level filter structure, current bandpass filtering structure can wave transparent frequency range mainly 8.2GHz ~ 9.2GHz, wave transparent scope is less, only has 1GHz; And, current band pass filter only for the electromagnetic wave wave transparent of this kind of band limits, there is no corresponding other can the bandpass filtering structure of wave transparent band limits.
Wave transparent scope for the band pass filter in correlation technique is little, and the problem that wave transparent frequency range is single not yet proposes effective solution at present.
Utility model content
The utility model embodiment provides a kind of bandpass filtering structure and radome, can according to the electromagnetic wave wave transparent of actual needs realization to different frequency range scope of user, and wave transparent scope is larger, thus provide more Frequency Band Selection for user, promote Consumer's Experience.
According to an aspect of the utility model embodiment, provide a kind of bandpass filtering structure, comprising: multilayer band pass wave filtering layer, described bandpass filtering layer comprises dielectric layer and is arranged at the conductive layer on described dielectric layer; Every layer of described conductive layer all has the hollow hole according to periodic array arrangement, in described hollow hole, be provided with conduction geometry; Wherein, described conduction geometry comprises at least two connected buss.
Alternatively, described conduction geometry and described conductive layer are positioned at same plane.
Alternatively, the hollow hole number on every layer of described conductive layer is identical.
Alternatively, described bus is straight-line conductive bar or plane curve bus.
Alternatively, described dielectric layer comprises: composite material base or ceramic base material.
Alternatively, described bandpass filtering structure also comprises: multilayer prepreg substrate, and every layer of described bandpass filtering layer is arranged between two-layer described prepreg substrate.
Alternatively, described bandpass filtering structure also comprises: multi-layer honeycomb substrate, and every layer of described honeycomb substrate is arranged between adjacent two-layer described prepreg substrate.
Alternatively, described bandpass filtering structure also comprises: multilayer laminate substrate, wherein, every layer of described glued membrane substrate is arranged between adjacent described prepreg substrate and described honeycomb substrate, and described prepreg substrate and described honeycomb substrate are bonded together by the glued membrane on described glued membrane substrate.
Alternatively, described conduction geometry is cross-shaped configuration or four branches have the cross distressed structure of capacitance structure or matrix pattern structure or polygonized structure.
According to another aspect of the utility model embodiment, provide a kind of radome, comprising: the bandpass filtering structure described in above-mentioned any one content.
The embodiment of above-mentioned utility model can reach following beneficial effect:
The bandpass filtering structure of the utility model embodiment, by arranging multilayer band pass wave filtering layer, the conductive layer of bandpass filtering layer arranges the hollow hole of periodic array arrangement, and arrange in hollow hole and conduct electricity geometry accordingly, achieve the electromagnetic wave transparent to different frequency range scope, and wave transparent scope is larger; In addition, the utility model also makes the electromagnetic wave outside wave transparent scope suppressed, makes the scope of roll-offing lower than specific ripple frequently, while realizing wave transparent, also has lower loss, and provides more Frequency Band Selection, the sense of lifting Consumer's Experience for user.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the first the conductive layer arrangement schematic diagram according to the optional bandpass filtering structure of the utility model preferred embodiment;
Fig. 2 is the second conductive layer arrangement schematic diagram according to the optional bandpass filtering structure of the utility model preferred embodiment;
Fig. 3 is the third conductive layer arrangement schematic diagram according to the optional bandpass filtering structure of the utility model preferred embodiment;
Fig. 4 is the 4th kind of conductive layer arrangement schematic diagram according to the optional bandpass filtering structure of the utility model preferred embodiment;
Fig. 5 is the dielectric layer package assembly schematic diagram according to the optional bandpass filtering structure of the utility model embodiment;
Fig. 6 is the CST simulation result schematic diagram of the first the bandpass filtering structure according to the utility model embodiment;
Fig. 7 is the CST simulation result schematic diagram of the second bandpass filtering structure according to the utility model embodiment;
Fig. 8 is the nearly figure of CST simulation result signal according to the second bandpass filtering structure of the utility model embodiment;
Fig. 9 is the CST simulation result schematic diagram of the third bandpass filtering structure according to the utility model embodiment;
Figure 10 is the nearly figure of CST simulation result signal according to the third bandpass filtering structure of the utility model embodiment;
Figure 11 is the CST simulation result schematic diagram of the 4th kind of bandpass filtering structure according to the utility model embodiment;
Figure 12 is the nearly figure of CST simulation result signal according to the 4th kind of bandpass filtering structure of the utility model embodiment.
Embodiment
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
As shown in Figures 1 to 4, the bandpass filtering structure of the utility model embodiment, comprising: multilayer band pass wave filtering layer, and bandpass filtering layer comprises dielectric layer and is arranged at the conductive layer 1 on dielectric layer; Every layer of conductive layer all has the hollow hole 11 according to periodic array arrangement, in hollow hole 11, be provided with conduction geometry 12; Wherein, the geometry 12 that conducts electricity comprises at least two connected buss 1202.
The bandpass filtering structure of the utility model embodiment, by arranging multilayer band pass wave filtering layer, the conductive layer of bandpass filtering layer arranges the hollow hole of periodic array arrangement, and arrange in hollow hole and conduct electricity geometry accordingly, achieve the electromagnetic wave transparent to different frequency range scope, and wave transparent scope is larger; In addition, the utility model also makes the electromagnetic wave outside wave transparent scope suppressed, makes the scope of roll-offing lower than specific ripple frequently, while realizing wave transparent, also has lower loss, and provides more Frequency Band Selection, the sense of lifting Consumer's Experience for user.
During concrete enforcement, alternatively, the thickness of conductive layer 1 is 0.0144-0.0216mm, and preferably, thickness can be 0.018mm, hollow hole 11 is square, conduction geometry 12 is positioned at same plane with conductive layer 1, and every layer of conductive layer has the hollow hole 11 of identical number on 1, bus 1202 adopts straight-line conductive bar or plane curve bus, such as, plane curve bus can be waveform, arc or setback shape.Conductive layer 1 and conduction geometry 12 can adopt metal material and/or nonmetallic materials, and preferably, conductive layer 1 and conduction geometry 12 all adopt copper cash to make.
The dielectric layer of the utility model embodiment comprises: composite material base or ceramic base material, in addition, also can select other non-conductive material dielectric layers.As shown in Figure 5, the dielectric layer of the utility model embodiment preferably adopts the soft board substrate 2 in composite material base, the bandpass filtering structure of the utility model embodiment also comprises, multilayer prepreg substrate 3, multi-layer honeycomb substrate 4 and multilayer laminate substrate 5, wherein, every layer of bandpass filtering layer is arranged between two-layer prepreg substrate 3, one deck honeycomb substrate 4 is provided with between adjacent two-layer prepreg substrate 3, one deck glued membrane substrate 5 is provided with between adjacent one deck prepreg substrate 3 and one deck honeycomb substrate 4, prepreg substrate 3 and honeycomb substrate 4 are bonded together by the glued membrane on glued membrane substrate 5.The number of plies of prepreg substrate 3, honeycomb substrate 4 and glued membrane substrate 5 is specifically determined by the number of bandpass filtering layer.
Alternatively, the span of the ε of soft board substrate 2 is 2.56-3.84, preferably, ε=3.2, the span of proportion of goods damageds loss is 0.0016-0.0024, preferably loss=0.002; The span of the DIELECTRIC CONSTANT ε of prepreg substrate 3 is 2.52-3.78, preferably, ε=3.15, the span of proportion of goods damageds loss is 0.004-0.006, preferably, loss=0.005; The span of the dielectric constant of honeycomb substrate 4 is 0.84-1.26, preferably, ε=1.05, the span of proportion of goods damageds loss is 0.0048-0.0072, preferably, loss=0.006; The span of the DIELECTRIC CONSTANT ε of glued membrane substrate 5 is 2.32-3.48, preferably, ε=2.9, the span of proportion of goods damageds loss is 0.0064-0.0096, preferably, loss=0.008.
Embodiment 1:
As shown in Figure 1, the conduction geometry 12 of the utility model embodiment is the cross distressed structure four branches with capacitance structure, and particularly, this cross distressed structure comprises the four first "T"-shaped buss 1202 be connected with hollow hole 11 4 limit respectively; And be positioned at four second "T"-shaped buss 1202 at hollow hole center, wherein, the afterbody of four second "T"-shaped buss 1202 is joined together to form " ten " shape, and the head of four first "T"-shaped buss 1202 is adjacent with the head of four second "T"-shaped buss 1202 respectively.
The length of side span of hollow hole 11 is 3.2-4.8mm, preferably, the length of side of hollow hole 11 is 4mm, spacing span between two hollow holes 11 is 1.6-2.4mm, preferably, spacing between two hollow holes 11 is 2mm, bus 1202 width span is 0.08-0.12mm, preferably, bus 1202 width is 0.1mm, the length span of the first "T"-shaped bus 1202 is 0.08-0.12mm, preferably, the length of the first "T"-shaped bus 1202 is 1mm, the length span of the second "T"-shaped bus 1204 is 0.64-0.96mm, preferably, the length of the second "T"-shaped bus 1204 is 0.8mm, first "T"-shaped bus 1202 head and the second "T"-shaped bus 1204 head width span are 0.32-0.48mm, preferably, first "T"-shaped bus 1202 head and the second "T"-shaped bus 1204 head width 0.4mm, the spacing span 0.8-1.2mm of the first "T"-shaped bus 1202 head and the second "T"-shaped bus 1204 head, preferably, the spacing of the first "T"-shaped bus 1202 head and the second "T"-shaped bus 1204 head is 0.1mm.
In the present embodiment, the Thickness scope of the first prepreg substrate 31 and the 6th prepreg substrate 36 is 0.64-0.96mm, be preferably 0.8mm, second prepreg substrate 32, 3rd prepreg substrate 33, the Thickness scope of the 4th prepreg substrate 34 and the 5th prepreg substrate 35 is 0.32-0.48mm, be preferably 0.4mm, the Thickness scope of the first honeycomb substrate 41 and the second honeycomb substrate 42 is 4.32-6.48mm, be preferably 5.4mm, first glued membrane substrate 51, second glued membrane substrate 52, the Thickness scope of the 3rd glued membrane substrate 53 and the 4th glued membrane substrate 54 is 0.8-1.2mm, be preferably 0.1mm.
Electromagnetic wave will be tested with the bandpass filtering structure of zero incidence angle (namely front is incident) through the utility model embodiment.Curve S 21 represents the relation of the electromagnetic wave transparent frequency of experiment and signal strength signal intensity, and as shown in Figure 6, the bandpass filtering structure of the utility model embodiment can wave transparent and low-loss at 13.7 to 15.4GHz wave band.
S21 at 13.7-15.4GHz wave band all higher than-1dB,
S21 at below 12.8GHz lower than-10dB,
S21 at below 12.0GHz lower than-20dB,
S21 at below 10.8GHz lower than-30dB,
S21 at more than 16.3GHz lower than-10dB,
S21 at more than 17.1GHz lower than-20dB,
S21 at more than 18.3GHz lower than-30dB.
Namely can beyond wave transparent segment limit 13.7 to 15.4GHz wavelength band 0.9GHz, S21 value lower than-10dB,
And can beyond wave transparent segment limit 13.7 to 15.4GHz wavelength band 1.7GHz, S21 value lower than-20dB,
And can beyond wave transparent segment limit 13.7 to 15.4GHz wavelength band 2.9GHz, S21 value be lower than-30dB.
That is can outside wave transparent segment limit, electromagnetic wave very soon can be suppressed, and from can wave transparent scope more away from signal attenuation faster.As can be seen from above-mentioned emulated data, the bandpass filtering structure wave transparent scope of the utility model embodiment is 13.7 to 15.4GHz, has the wider wave transparent scope of 1.7GHz.Simultaneously outside wave transparent scope, wave band is decayed rapidly, has good cut-off characteristics.Therefore, the bandpass filtering structure of the utility model preferred embodiment reaches good bandpass filtering effect.
Embodiment 2:
As shown in Figure 2, the conduction geometry 12 on the conductive layer 1 of the utility model embodiment comprises six roots of sensation bus 1202, and wherein, six roots of sensation bus 1202 forms sphere of movements for the elephants shape.The length of side span 6.56-9.84mm of hollow hole 11, be preferably 8.2mm, distance span between two hollow holes 11 is 3.04-4.56mm, be preferably 3.8mm, the equal span of length of bus 1202 is 4.56-6.84mm, is preferably 5.7mm, the distance span of the inner side edge of four side distance hollow holes 11 of conduction geometry 12 is 0.88-1.32mm, be preferably 1.1mm, the width of bus 1202 is 0.08-0.12mm, is preferably 0.1mm.
In the present embodiment, the Thickness scope of the first prepreg substrate 31 and the 6th prepreg substrate 36 is 0.64-0.96mm, be preferably 0.8mm, second prepreg substrate 32, 3rd prepreg substrate 33, the Thickness scope of the 4th prepreg substrate 34 and the 5th prepreg substrate 35 is 0.32-0.48mm, be preferably 0.4mm, the equal span of thickness of the first honeycomb substrate 41 and the second honeycomb substrate 42 is 8.8-13.2mm, be preferably 11.1mm, first glued membrane substrate 51, second glued membrane substrate 52, the Thickness scope of the 3rd glued membrane substrate 53 and the 4th glued membrane substrate 54 is 0.08-0.12, mm, be preferably 0.1mm.
Electromagnetic wave will be tested with the bandpass filtering structure of zero incidence angle (namely front is incident) through the utility model embodiment.Curve S 21 represents the relation of the electromagnetic wave transparent frequency of experiment and signal strength signal intensity, and as shown in Fig. 7 or Fig. 8, the bandpass filtering structure of the utility model embodiment can wave transparent and low-loss at 7.3 to 8.3GHz wave band.
S21 at 7.3-8.3GHz wave band all higher than-1dB,
S21 at below 6.7GHz lower than-10dB,
S21 at below 6.3GHz lower than-20dB,
S21 at below 5.5GHz lower than-30dB,
S21 at more than 8.9GHz lower than-10dB,
S21 at more than 9.3GHz lower than-20dB,
S21 at more than 10.1GHz lower than-30dB.
Namely can beyond wave transparent segment limit 7.3 to 8.3GHz wavelength band 0.6GHz, S21 value lower than-10dB,
And can beyond wave transparent segment limit 7.3 to 8.3GHz wavelength band 1.0GHz, S21 value lower than-20dB,
And can beyond wave transparent segment limit 7.3 to 8.3GHz wavelength band 1.8GHz, S21 value be lower than-30dB.
That is can outside wave transparent segment limit, electromagnetic wave very soon can be suppressed, and from can wave transparent scope more away from signal attenuation faster.As can be seen from above-mentioned emulated data, the bandpass filtering structure wave transparent scope of the utility model embodiment is 7.3 to 8.3GHz, has the wider wave transparent scope of 1GHz.Simultaneously outside wave transparent scope, wave band is decayed rapidly, has good cut-off characteristics.Therefore, the bandpass filtering structure of the utility model preferred embodiment reaches good bandpass filtering effect.
Embodiment 3:
As shown in Figure 3, the conduction geometry 12 of the utility model embodiment comprises two buss 1202, and wherein, two buss 1202 form " ten " font.The length of side span 7.2-10.8mm of hollow hole 11, be preferably 9mm, spacing span between two hollow holes 11 is 5.6-8.4mm, be preferably 7mm, the length span of bus 1202 is 5.6-8.4m, is preferably 7mm, the width span of bus 1202 is 0.32-0.48mm, be preferably 0.4mm, the distance span of the inner side edge of two distance hollow hole 11 of bus 1202 is 0.8-1.2mm, is preferably 1mm.
The first prepreg substrate 31 of the present embodiment and the Thickness scope of the 6th prepreg substrate 36 are 0.64-0.96mm, be preferably 0.8mm, second prepreg substrate 32, 3rd prepreg substrate 33, the Thickness scope of the 4th prepreg substrate 34 and the 5th prepreg substrate 35 is 0.32-0.48mm, be preferably 0.4mm, the Thickness scope of the first honeycomb substrate 41 and the second honeycomb substrate 42 is 8-12mm, be preferably 10mm, first glued membrane substrate 51, second glued membrane substrate 52, the Thickness scope of the 3rd glued membrane substrate 53 and the 4th glued membrane substrate 54 is 0.08-0.12, be preferably 0.1mm.
Electromagnetic wave will be tested with the bandpass filtering structure of zero incidence angle (namely front is incident) through the utility model embodiment.Curve S 21 represents the relation of the electromagnetic wave transparent frequency of experiment and signal strength signal intensity, and as shown in fig. 9 or 10, the bandpass filtering structure of the utility model preferred embodiment can wave transparent and low-loss at 8.2 to 9.2GHz wave band.
S21 at 8.2-9.2GHz wave band all higher than-1.2dB,
S21 at below 7.7GHz lower than-10dB,
S21 at below 7.4GHz lower than-20dB,
S21 at below 6.8GHz lower than-30dB,
S21 at more than 9.7GHz lower than-10dB,
S21 at more than 10.0GHz lower than-20dB,
S21 at more than 10.6GHz lower than-30dB.
Namely can beyond wave transparent segment limit 8.2 to 9.2GHz wavelength band 0.5GHz, S21 value lower than-10dB,
And can beyond wave transparent segment limit 8.2 to 9.2GHz wavelength band 0.8GHz, S21 value lower than-20dB,
And can beyond wave transparent segment limit 8.2 to 9.2GHz wavelength band 1.4GHz, S21 value be lower than-30dB.
That is can outside wave transparent segment limit, electromagnetic wave very soon can be suppressed, and from can wave transparent scope more away from signal attenuation faster.As can be seen from above-mentioned emulated data, the bandpass filtering structure wave transparent scope of the utility model embodiment is 8.2 to 9.2GHz, has the wider wave transparent scope of 1GHz.Simultaneously outside wave transparent scope, wave band is decayed rapidly, has good cut-off characteristics.Therefore, the bandpass filtering structure of the utility model preferred embodiment reaches good bandpass filtering effect.
Embodiment 4:
As shown in Figure 4, the conduction geometry 12 of the utility model embodiment is polygon, and be preferably quadrangle, comprise four buss 1202, wherein, four buss 1202 form " mouth " font.The length of side span of hollow hole 11 is 5.44-8.16mm, be preferably 6.8mm, spacing span between two hollow holes 11 is 4.16-6.24mm, be preferably 5.2mm, the length of side span of bus 1202 is 2.4-3.6mm, is preferably 3mm, the width span of bus 1202 is 0.08-0.12mm, be preferably 0.1mm, the distance span of the inner side edge of four back gauge hollow holes 11 of conduction geometry 12 is 1.52-2.28mm, is preferably 1.9mm.
The first prepreg substrate 31 of the present embodiment and the Thickness scope of the 6th prepreg substrate 36 are 0.64-0.96mm, be preferably 0.8mm, second prepreg substrate 32, 3rd prepreg substrate 33, the Thickness scope of the 4th prepreg substrate 34 and the 5th prepreg substrate 35 is 0.32-0.48mm, be preferably 0.4mm, the Thickness scope of the first honeycomb substrate 41 and the second honeycomb substrate 42 is 5.36-8.04mm, be preferably 6.7mm, first glued membrane substrate 51, second glued membrane substrate 52, the Thickness scope of the 3rd glued membrane substrate 53 and the 4th glued membrane substrate 54 is 0.08-0.12mm, be preferably 0.1mm.
Electromagnetic wave will be tested with the bandpass filtering structure of zero incidence angle (namely front is incident) through the utility model preferred embodiment.Curve S 21 represents the relation of the electromagnetic wave transparent frequency of experiment and signal strength signal intensity, and as seen in figures 11 or 12, the bandpass filtering structure of the utility model preferred embodiment can wave transparent and low-loss at 11.6 to 13.6GHz wave band.
S21 at 11.6-13.6GHz wave band all higher than-1.05dB,
S21 at below 10.9GHz lower than-10dB,
S21 at below 10.1GHz lower than-20dB,
S21 at below 8.7GHz lower than-30dB,
S21 at more than 14.3GHz lower than-10dB,
S21 at more than 15.1GHz lower than-20dB,
S21 at more than 16.5GHz lower than-30dB.
Namely can beyond wave transparent segment limit 11.6 to 13.6GHz wavelength band 0.7GHz, S21 value lower than-10dB,
And can beyond wave transparent segment limit 11.6 to 13.6GHz wavelength band 1.5GHz, S21 value lower than-20dB,
And can beyond wave transparent segment limit 11.6 to 13.6GHz wavelength band 2.9GHz, S21 value be lower than-30dB.
That is can outside wave transparent segment limit, electromagnetic wave very soon can be suppressed, and from can wave transparent scope more away from signal attenuation faster.As can be seen from above-mentioned emulated data, the bandpass filtering structure wave transparent scope of the utility model embodiment is 11.6 to 13.6GHz, has the wider wave transparent scope of 2GHz.Simultaneously outside wave transparent scope, wave band is decayed rapidly, has good cut-off characteristics.Therefore, the bandpass filtering structure of the utility model preferred embodiment reaches good bandpass filtering effect.
According to the bandpass filtering structure of the utility model embodiment 1 to 4, provide multiple frequency range realizing bandpass filtering such as 13.7 to 15.4GHz, 7.3 to 8.3GHz, 8.2 to 9.2GHz and 11.6 to 13.6GHz, thus can according to the electromagnetic wave wave transparent of actual needs realization to different frequency range scope of user.In addition, according to the change of the conductive layer in the bandpass filtering structure of the utility model embodiment with the shape and size of conduction geometry, the bandpass filtering frequency range of the bandpass filtering structure of the utility model embodiment also has a lot of changes, will not enumerate at this.
The utility model also has good cut-off characteristics, makes the electromagnetic wave outside wave transparent scope suppressed, makes the scope of roll-offing lower than specific ripple frequently, while realizing wave transparent, also has lower loss, promote Consumer's Experience sense.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a bandpass filtering structure, is characterized in that, comprising:
Multilayer band pass wave filtering layer, this bandpass filtering layer comprises dielectric layer and is arranged at the conductive layer on described dielectric layer; Every layer of described conductive layer all has the hollow hole according to periodic array arrangement, in described hollow hole, be provided with conduction geometry; Wherein, described conduction geometry comprises at least two connected buss.
2. bandpass filtering structure according to claim 1, is characterized in that,
Described conduction geometry and described conductive layer are positioned at same plane.
3. bandpass filtering structure according to claim 1, is characterized in that,
Hollow hole number on every layer of described conductive layer is identical.
4. bandpass filtering structure according to claim 1, is characterized in that,
Described bus is straight-line conductive bar or plane curve bus.
5. bandpass filtering structure according to claim 1, is characterized in that, described dielectric layer comprises:
Composite material base or ceramic base material.
6. bandpass filtering structure according to claim 1, is characterized in that, described bandpass filtering structure also comprises:
Multilayer prepreg substrate, every layer of described bandpass filtering layer is arranged between two-layer described prepreg substrate.
7. bandpass filtering structure according to claim 6, is characterized in that, described bandpass filtering structure also comprises:
Multi-layer honeycomb substrate, every layer of described honeycomb substrate is arranged between adjacent two-layer described prepreg substrate.
8. bandpass filtering structure according to claim 7, is characterized in that, described bandpass filtering structure also comprises:
Multilayer laminate substrate, wherein, every layer of described glued membrane substrate is arranged between adjacent described prepreg substrate and described honeycomb substrate, and described prepreg substrate and described honeycomb substrate are bonded together by the glued membrane on described glued membrane substrate.
9. the bandpass filtering structure according to any one of claim 1 to 8, is characterized in that, described conduction geometry is cross-shaped configuration or four branches have the cross distressed structure of capacitance structure or matrix pattern structure or polygonized structure.
10. a radome, is characterized in that, comprising: the bandpass filtering structure according to any one of claim 1 to 9.
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| CN110336129A (en) * | 2019-07-15 | 2019-10-15 | 上海矽杰微电子有限公司 | A kind of antenna house of millimetre-wave radar |
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| CN110336129A (en) * | 2019-07-15 | 2019-10-15 | 上海矽杰微电子有限公司 | A kind of antenna house of millimetre-wave radar |
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