CN205985282U - Metal resonant cavity wave filter of embedded H type metal strip - Google Patents
Metal resonant cavity wave filter of embedded H type metal strip Download PDFInfo
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- CN205985282U CN205985282U CN201620841422.6U CN201620841422U CN205985282U CN 205985282 U CN205985282 U CN 205985282U CN 201620841422 U CN201620841422 U CN 201620841422U CN 205985282 U CN205985282 U CN 205985282U
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- type bonding
- bonding jumper
- metal cavity
- conductor
- metal
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Abstract
The utility model discloses a metal resonant cavity wave filter of embedded H type metal strip, including metal resonant cavity, a conductor assembly and the 2nd conductor assembly, embedded one or more H type metal strip on metal resonant cavity's the axis, when embedded one H type metal strip, the left end of H type metal strip meets with metal resonant cavity's left side wall through a conductor assembly, and the right -hand member meets with metal resonant cavity's right side wall through the 2nd conductor assembly, when embedded a plurality of H type metal strips, a plurality of H type metal strips are from left to right arranged in proper order, meet through the annular metallic strip between per two adjacent H type metal strips, and the left end of first H type metal strip meet with metal resonant cavity's left side wall through a conductor assembly on the left, and the right -hand member of first H type metal strip of the right meets with metal resonant cavity's right side wall through the 2nd conductor assembly. The utility model discloses an adjust the size of H type metal strip and annular metallic strip, come control filter multimode resonant frequency and transmission zero frequency.
Description
Technical field
This utility model is related to a kind of Metal cavity wave filter, the metal resonance of especially a kind of embedded H type bonding jumper
Cavity filter, belongs to wireless communication field.
Background technology
Microwave filter is transmitting terminal and the requisite device of receiving terminal in Modern Communication System, and it rises to signal and separates
Effect, allows useful signal is as zero-decrement as possible to be passed through, and to useless signal, decay as big as possible suppresses it to pass through.With
The development of wireless communication technology, the frequency band between signal is more and more narrow, this just the specification to wave filter and reliability propose higher
Requirement.Rectangular cavities wave filter has that high frequency selectivity, filter with low insertion loss, power capacity be big, steady performance and have
There is very high using value.The passband that many scholars produce multimode to cavity body filter is studied, by adjusting resonator
Between coupling come to change separate multimode, produce transmission zero, further improve band logical performance.
According to investigations with understanding, disclosed prior art is as follows：
Nineteen ninety, F.Arnd proposes the concept of wave filter disresonance mould first.In the exploratory development of follow-up scholar, profit
With the concept of disresonance mould, multimode in transmission characteristic for the metallic cavity wave filter and transmission zero are realized.Existing rank
The multimode of Duan Zhilie type Metal cavity and the main implementation method of transmission zero, in source motivation model TE10, the chamber of source
Body is coupled by aperture with filter cavity, changes the position in aperture and the size of Metal cavity, to encourage resonance
Mould TM120, TM210 mould and disresonance mould TM11, because disresonance mould has transmission effect to energy so that in energy transfer process
There is multipath, and achieve transmission zero.Meanwhile, the presence of resonant mode makes to transmit has multiple transmission modes in passband.
Utility model content
The purpose of this utility model is the defect in order to solve above-mentioned prior art, there is provided a kind of embedded H type metal
The Metal cavity wave filter of bar, this wave filter has the advantages that structure is simple, handling ease, performance are good, disclosure satisfy that communication
The requirement of system, and applied range.
The purpose of this utility model can be reached by adopting the following technical scheme that：
The Metal cavity wave filter of embedded H type bonding jumper, including Metal cavity, the first conductor assembly and the second conductor
Assembly, the axis of described Metal cavity embeds one or more H type bonding jumpers, and described first conductor assembly and second is led
Body assembly is left and right symmetrical；
In an embedded H type bonding jumper, the left end of H type bonding jumper passes through a left side for the first conductor assembly and Metal cavity
Side wall connects, and right-hand member is connected with the right side wall of Metal cavity by the second conductor assembly；
When embedding multiple H type bonding jumper, multiple H type bonding jumpers are from left to right arranged successively, the adjacent H type gold of each two
Belong to and being connected by endless metal bar between bar, and the left end of first left H type bonding jumper passes through the first conductor assembly and metal
The left side wall of resonator cavity connects, and the right-hand member of the first H type bonding jumper in the right passes through the right side of the second conductor assembly and Metal cavity
Side wall connects.
As a kind of preferred version, the left side wall of described Metal cavity has first through hole, right side wall has
Two through holes；Described first conductor assembly is made up of the first coaxial outer conductor and the first coaxial inner conductor, and described first coaxially leads outward
Body is fixed on the left side outer wall of Metal cavity, and as the first input/output end port, described first coaxial inner conductor is as
One probe, one end of this first coaxial inner conductor is from first through hole stretches out Metal cavity, and connects with the first coaxial outer conductor
Connect；Described second conductor assembly is made up of the second coaxial outer conductor and the second coaxial inner conductor, and described second coaxial outer conductor is solid
It is scheduled in the outer right wall of Metal cavity, as the second input/output end port, described second coaxial inner conductor is as the second spy
Pin, one end of this second coaxial inner conductor is stretched out Metal cavity from the second through hole, and is connected with the second coaxial outer conductor；
In an embedded H type bonding jumper, the other end of described first coaxial inner conductor is connected with the left end of H type bonding jumper
Connect, the other end of described second coaxial outer conductor is connected with the right-hand member of H type bonding jumper；
When embedding multiple H type bonding jumper, the other end of described first coaxial inner conductor and first left H type bonding jumper
Left end connect, the other end of described second coaxial inner conductor is connected with the right-hand member of the first H type bonding jumper in the right.
As a kind of preferred version, described first coaxial outer conductor adopts the first sub-miniature A connector, described first coaxial inner conductor
Using the first coupling bar, described second coaxial outer conductor adopts the second sub-miniature A connector, and described second coaxial inner conductor adopts the second coupling
Close bar；One end welding of the end of described first sub-miniature A connector and the first coupling bar, the end and second of described second sub-miniature A connector
One end welding of coupling bar；
In an embedded H type bonding jumper, the other end of described first coupling bar is welded with the left end of H type bonding jumper, institute
State the other end of the second coupling bar and the right-hand member welding of H type bonding jumper；
When embedding multiple H type bonding jumper, a left side for the other end of described first coupling bar and first left H type bonding jumper
End welding, the other end of described second coupling bar is welded with the right-hand member of the first H type bonding jumper in the right.
As a kind of preferred version, described first sub-miniature A connector is provided with four third through-holes, a left side for described Metal cavity
Side has four first screw holes corresponding with third through-hole, and described first sub-miniature A connector passes through four first screws and passes through four
It is fixed on the left side outer wall of Metal cavity with four the first screw hole cooperations after individual third through-hole；Described second sub-miniature A connector
It is provided with four fourth holes, the right side of described Metal cavity has four second screw holes corresponding with fourth hole,
Described second sub-miniature A connector is fixed on gold with four the second screw hole cooperations after four second screws pass through four fourth holes
Belong in the outer right wall of resonator cavity.
As a kind of preferred version, in embedded three or more H type bonding jumpers, three or more H type bonding jumpers are from a left side
Equidistantly arrange successively to the right side.
As a kind of preferred version, described Metal cavity is rectangular metal resonator cavity.
This utility model has following beneficial effect with respect to prior art：
1st, wave filter of the present utility model embeds one or more H type bonding jumpers on the axis of Metal cavity,
During an embedded H type bonding jumper, by adjusting the size of H type bonding jumper, to control wave filter multimode resonant frequency and transmission zero
Dot frequency, when embedding multiple H type bonding jumper, is connected by endless metal bar between the adjacent H type bonding jumper of each two, passes through
Adjust the size of H type bonding jumper and the size of endless metal bar, to control wave filter multimode resonant frequency and transmission zero frequency,
Whole wave filter has the advantages that structure is simple, handling ease, performance are good, disclosure satisfy that the requirement of communication system, and applies model
Enclose wide.
2nd, wave filter of the present utility model is in the frequency range of 3.7～3.76GHz, the value of | S11 | all -10dB with
Under, and have two or more (being determined by the quantity of H type bonding jumper) significantly resonance point it is seen that being the multimode with transmission zero
Metallic cavity wave filter, the features such as disclosure satisfy that high selectivity, high q-factor, design and process simple；Additionally, wave filter is in structure
Upper symmetrical, reduce the complexity in bandpass filter structures encapsulation.
Brief description
Fig. 1 is the Metal cavity filter construction schematic diagram of this utility model embodiment 1.
Fig. 2 is the Metal cavity wave filter front view of this utility model embodiment 1.
Fig. 3 is the Metal cavity wave filter left side view of this utility model embodiment 1.
Fig. 4 is the Metal cavity wave filter top view of this utility model embodiment 1.
Fig. 5 is the Electromagnetic Simulation curve chart of the Metal cavity filter freguency response of this utility model embodiment 1.
Fig. 6 is the machining sketch chart of the Metal cavity wave filter of this utility model embodiment 1.
Wherein, 1- Metal cavity, 2- the H type bonding jumper, 3- the 2nd H type bonding jumper, 4- endless metal bar, 5- first
Coaxial outer conductor, 6- first coaxial inner conductor, 7- second coaxial outer conductor, 8- second coaxial inner conductor, 9- first cavity, 10-
Second cavity, 11- bonding jumper connector, 12- first through hole, 13- first screw hole, 14- second through hole, 15- second screw hole,
16- groove, 17- the 3rd screw hole, 18- the 4th screw hole, 19- the 5th screw hole, 20- the 6th screw hole, 21- first is uneven
Straight bonding jumper, the uneven straight bonding jumper of 22- second, 23- the 7th screw hole, 24- the 8th screw hole, 25- first screw, 26- the
Three screws.
Specific embodiment
With reference to embodiment and accompanying drawing, this utility model is described in further detail, but enforcement of the present utility model
Mode not limited to this.
Embodiment 1：
As shown in Figure 1 to 4, the Metal cavity wave filter of the present embodiment includes Metal cavity 1, the first conductor assembly
With the second conductor assembly, described Metal cavity 1 is rectangular metal resonator cavity, and the axis of this Metal cavity 1 embeds two
Individual H type bonding jumper, described first conductor assembly and the second conductor assembly are left and right symmetrical.
Described two H type bonding jumpers are respectively a H type bonding jumper 2 and the 2nd H type bonding jumper 3, a described H type metal
The left side that bar 2 is located in Metal cavity 1, the right that described 2nd H type bonding jumper 3 is located in Metal cavity 1；In this enforcement
In example, a H type bonding jumper 2 and the 2nd H type bonding jumper 3 are left and right symmetrical, and a H type bonding jumper 2 and the 2nd H type bonding jumper 3
Between connected by endless metal bar 4, the left end of a H type bonding jumper 2 passes through a left side for the first conductor assembly and Metal cavity 1
Side wall connects, and the 2nd H type bonding jumper 3 is connected with the right side wall of Metal cavity 1 by the second conductor assembly；A described H type
The size relation proportional to the wavelength under center resonant frequency of bonding jumper 2 and the 2nd H type bonding jumper 3, described endless metal bar 4
Size indefinite, by adjusting the size of two H type bonding jumpers and the size of endless metal bar 4, to control wave filter multimode humorous
Vibration frequency and transmission zero frequency.
Have first through hole (not shown) on the left side wall of described Metal cavity 1, right side wall has second and leads to
Hole (not shown)；Described first conductor assembly is made up of the first coaxial outer conductor 5 and the first coaxial inner conductor 6, and described
One coaxial outer conductor 5 is fixed on the left side outer wall of Metal cavity 1, and as the first input/output end port, described first is coaxial
Inner wire 6 as the first probe, one end of this first coaxial inner conductor 6 from first through hole stretches out Metal cavity 1, and with
One coaxial outer conductor 5 connects；Described second conductor assembly is made up of the second coaxial outer conductor and 7 second coaxial inner conductors 8, described
Second coaxial outer conductor 7 is fixed in the outer right wall of Metal cavity 1, and as the second input/output end port, described second is same
Axle inner wire 8 as the second probe, one end of this second coaxial inner conductor 8 from the second through hole stretches out Metal cavity 1, and with
Second coaxial outer conductor 7 connects.
In the present embodiment, described first coaxial outer conductor 5 adopts the first sub-miniature A connector, and described first coaxial inner conductor 6 is adopted
Use the first coupling bar, described second coaxial outer conductor 7 adopts the second sub-miniature A connector, described second coaxial inner conductor 8 adopts the second coupling
Close bar；One end welding, the other end of the first coupling bar and a H type of the end of described first sub-miniature A connector and the first coupling bar
Bonding jumper 2 welds, one end welding of the end of described second sub-miniature A connector and the second coupling bar, the other end of the second coupling bar with
2nd H type bonding jumper 3 welds；Described first sub-miniature A connector is provided with four third through-hole (not shown)s, described metal resonance
The left side in chamber 1 has four first screw hole (not shown)s corresponding with third through-hole, and described first sub-miniature A connector passes through
Four first screw (not shown)s are fixed on metal resonance with four the first screw hole cooperations after passing through four third through-holes
On the left side outer wall in chamber 1；Described second sub-miniature A connector is provided with four fourth hole (not shown)s, described Metal cavity 1
Right side have four second screw hole (not shown)s corresponding with fourth hole, described second sub-miniature A connector pass through four
Root the second screw (not shown) is fixed on Metal cavity 1 with four the second screw hole cooperations after passing through four fourth holes
Outer right wall on.
The Electromagnetic Simulation curve of the Metal cavity filter freguency response of the present embodiment is as shown in figure 5, in figure dotted line table
Show | S11 |, be the return loss of input port；Solid line represents | S21 |, is the positive transmission system to output port for the input port
Number it can be seen that in the frequency range of 3.7～3.76GHz, the value of | S11 | all below -10dB, and have two significantly humorous
Shake point (constituting dual-mode resonator by two H type bonding jumpers and an endless metal bar).
As shown in fig. 6, the Metal cavity wave filter course of processing of the present embodiment is as follows：
1) a rectangular metal resonator cavity is cut and be divided into the first cavity 9 and the second cavity 10, whole Metal cavity filter
Ripple device is made up of the first cavity 9, the second cavity 10 and bonding jumper connector 11；
2) the first cavity 9 is a part for rectangular metal resonator cavity, outputs first through hole 12 in the left side wall of the first cavity 9
With two the first screw holes 13, right side wall outputs the second through hole 14 and two the second screw holes 15, and first through hole 12 is used for accommodating
The inner wire (i.e. the first coupling bar) of the first sub-miniature A connector (the first coaxial outer conductor 5), the second through hole 14 is used for accommodating the 2nd SMA
The inner wire (i.e. the second coupling bar) of joint (the second coaxial outer conductor 7), the first screw hole 13 is used for fixing a SMA head, the
Two-screw hole 15 is used for fixing the 2nd SMA head；Respectively output a groove 16, described groove 16 in the upper and lower side wall of the first cavity 9
For fixing bonding jumper connector 11, output two the 3rd screw holes 17 in the upper side wall in the first cavity 9, lower wall is opened simultaneously
Go out two the 4th screw holes 18, the 3rd screw hole 17 and the 4th screw hole 18 are used for assembling and fix whole Metal cavity filtering
Device；
3) the second cavity 10 is another part of rectangular metal resonator cavity, outputs two the in the left side wall of the second cavity 10
One screw hole 13 (fixing the first sub-miniature A connector together with the first screw hole 13 of the first cavity 9), right side wall outputs two the second spiral shells
Silk hole 15 (fixing the second sub-miniature A connector together with the second screw hole 15 of the first cavity 9)；Output in the upper side wall of the second cavity 10
Two the 5th screw holes 19, lower wall outputs two the 6th screw holes 20, and the 5th screw hole 19 and the 6th screw hole 20 are opened, and uses
In assembling and fixing whole Metal cavity wave filter；
4) two uneven straight bonding jumpers and two H type bonding jumpers are designed, two uneven straight bonding jumpers are respectively first
Uneven straight bonding jumper 21 and the second uneven straight bonding jumper 22, the first uneven straight bonding jumper 21 has two the 7th screws
Hole 23, the second uneven straight bonding jumper 22 has two the 8th screw holes 24；Two H type bonding jumpers are respectively a H type gold
Genus article 2 and the 2nd H type bonding jumper 3, it is uneven that a H type bonding jumper 2 short circuit is connected to the first uneven straight bonding jumper 21 and second
On straight bonding jumper 22, similarly, the 2nd H type bonding jumper 3 also short circuit to be connected to the first uneven straight bonding jumper 21 and second uneven
On straight bonding jumper 22, form bonding jumper connector 11；It can be seen that bonding jumper connector 11 has two H after the completion of connecting
Corresponding to endless metal bar between type bonding jumper and two H type bonding jumpers, the wherein size of H type bonding jumper and mid frequency
The proportional relation of wavelength, the size of described endless metal bar is indefinite；
5) bonding jumper connector 11 is embedded on the groove 16 of the first cavity 9, by the 7th screw hole 23 and the 3rd screw hole
17 alignment, and the 8th screw hole 24 is alignd with the 4th screw hole 18；By a SMA head the first screw 25 and the first cavity
9 the first screw hole 13 cooperation fix, as the first input/output end port, and by the 2nd SMA head with the second screw (with first
Screw is located in opposite direction, and in figure is not shown) fix with the cooperation of second screw hole 15 of the first cavity 9, as the second input/defeated
Exit port, the inner wire (i.e. the first coupling bar) of the first sub-miniature A connector is welded on a H type bonding jumper 2, the second sub-miniature A connector
Inner wire (i.e. the second coupling bar) is welded on the 2nd H type bonding jumper 3；
6) the second cavity 10 is covered, the 5th screw hole 19 is alignd with the 7th screw hole 23, the 3rd screw hole 17, and
6th screw hole 20 is alignd with the 8th screw hole 24, the 4th screw hole 18, with the 3rd screw 26 by the second cavity 10, bonding jumper
Connector 11 and the first cavity 9 are fixing；
7) with the first screw 25, a SMA head is fixed on the first screw hole 13 of the second cavity 10, uses the second screw
2nd SMA head is fixed on the second screw hole 15 of the second cavity 10 by (in opposite direction with the first screw place, in figure is not shown)
On, whole Metal cavity wave filter group installs complete, is finally tested.
Embodiment 2：
It is in place of the present embodiment and the difference of embodiment 1：One H type is embedded on the axis of described Metal cavity 1
Bonding jumper, due to only one of which H type bonding jumper, need not arrange endless metal bar, and the left end of this H type bonding jumper passes through the first conductor
Assembly is connected with the left side wall of Metal cavity 1, and right-hand member is connected with the right side wall of Metal cavity 1 by the second conductor assembly.
Embodiment 3：
It is in place of the present embodiment and the difference of embodiment 1：On the axis of described Metal cavity 1 embedded three or with
Upper H type bonding jumper, three or more H type bonding jumpers are from left to right equidistantly arranged successively, the adjacent H type bonding jumper of each two it
Between connected by endless metal bar, and the left end of first left H type bonding jumper passes through the first conductor assembly and Metal cavity 1
Left side wall connect, the right-hand member of the first H type bonding jumper in the right passes through the right side wall phase of the second conductor assembly and Metal cavity 1
Connect.
In above-described embodiment 1～3, the metal that described Metal cavity 1, the first conductor assembly and the second conductor assembly adopt
Material can for aluminum, ferrum, stannum, copper, silver, gold and platinum any one, or can be aluminum, ferrum, stannum, copper, silver, gold and platinum any one
The alloy planted.
In sum, wave filter of the present utility model has the advantages that structure is simple, handling ease, performance are good, Neng Gouman
The requirement of sufficient communication system, and applied range.
The above, only this utility model patent preferred embodiment, but the protection domain of this utility model patent is simultaneously
It is not limited to this, in scope disclosed in this utility model patent for any those familiar with the art, according to this
The technical scheme of utility model patent and its utility model design in addition equivalent or change, broadly fall into this utility model patent
Protection domain.
Claims (7)
1. embed the Metal cavity wave filter of H type bonding jumper, including Metal cavity, the first conductor assembly and the second conductor group
Part it is characterised in that：One or more H type bonding jumpers, described first conductor group are embedded on the axis of described Metal cavity
Part and the second conductor assembly are left and right symmetrical；
In an embedded H type bonding jumper, the left end of H type bonding jumper passes through the left side wall of the first conductor assembly and Metal cavity
Connect, right-hand member is connected with the right side wall of Metal cavity by the second conductor assembly；
When embedding multiple H type bonding jumper, multiple H type bonding jumpers are from left to right arranged successively, the adjacent H type bonding jumper of each two
Between connected by endless metal bar, and the left end of first left H type bonding jumper passes through the first conductor assembly and metal resonance
The left side wall in chamber connects, and the right-hand member of the first H type bonding jumper in the right passes through the right side wall of the second conductor assembly and Metal cavity
Connect.
2. embedded H type bonding jumper according to claim 1 Metal cavity wave filter it is characterised in that：Described metal
First through hole is had on the left side wall of resonator cavity, right side wall has the second through hole；Described first conductor assembly is coaxial by first
Outer conductor and the first coaxial inner conductor composition, described first coaxial outer conductor is fixed on the left side outer wall of Metal cavity, makees
For the first input/output end port, as the first probe, one end of this first coaxial inner conductor is from for described first coaxial inner conductor
One through hole stretches out outside Metal cavity, and is connected with the first coaxial outer conductor；Described second conductor assembly is coaxially led outward by second
Body and the second coaxial inner conductor composition, described second coaxial outer conductor is fixed in the outer right wall of Metal cavity, as the
Two input/output end ports, as the second probe, one end of this second coaxial inner conductor is logical from second for described second coaxial inner conductor
Hole is stretched out outside Metal cavity, and is connected with the second coaxial outer conductor；
In an embedded H type bonding jumper, the other end of described first coaxial inner conductor is connected with the left end of H type bonding jumper, institute
The other end stating the second coaxial outer conductor is connected with the right-hand member of H type bonding jumper；
When embedding multiple H type bonding jumper, a left side for the other end of described first coaxial inner conductor and first left H type bonding jumper
End connects, and the other end of described second coaxial inner conductor is connected with the right-hand member of the first H type bonding jumper in the right.
3. embedded H type bonding jumper according to claim 2 Metal cavity wave filter it is characterised in that：Described first
Coaxial outer conductor adopts the first sub-miniature A connector, and described first coaxial inner conductor adopts the first coupling bar, described second coaxial outer conductor
Using the second sub-miniature A connector, described second coaxial inner conductor adopts the second coupling bar；The end and first of described first sub-miniature A connector
One end welding of coupling bar, one end welding of the end of described second sub-miniature A connector and the second coupling bar；
In an embedded H type bonding jumper, the left end welding of the other end of described first coupling bar and H type bonding jumper, described the
The other end of two coupling bars is welded with the right-hand member of H type bonding jumper；
When embedding multiple H type bonding jumper, the other end of described first coupling bar is welded with the left end of first left H type bonding jumper
Connect, the other end of described second coupling bar is welded with the right-hand member of the first H type bonding jumper in the right.
4. embedded H type bonding jumper according to claim 3 Metal cavity wave filter it is characterised in that：Described first
Sub-miniature A connector is provided with four third through-holes, and the left side of described Metal cavity has four first corresponding with third through-hole
Screw hole, described first sub-miniature A connector is coordinated with four the first screw holes after four first screws pass through four third through-holes
It is fixed on the left side outer wall of Metal cavity；Described second sub-miniature A connector is provided with four fourth holes, described Metal cavity
Right side have four second screw holes corresponding with fourth hole, described second sub-miniature A connector is worn by four second screws
It is fixed in the outer right wall of Metal cavity with four the second screw hole cooperations after crossing four fourth holes.
5. the embedded H type bonding jumper according to any one of claim 1-4 Metal cavity wave filter it is characterised in that：
The size relation proportional to the wavelength under center resonant frequency of described H type bonding jumper.
6. the embedded H type bonding jumper according to any one of claim 1-4 Metal cavity wave filter it is characterised in that：
In embedded three or more H type bonding jumpers, three or more H type bonding jumpers are from left to right equidistantly arranged successively.
7. the embedded H type bonding jumper according to any one of claim 1-4 Metal cavity wave filter it is characterised in that：
Described Metal cavity is rectangular metal resonator cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841422.6U CN205985282U (en) | 2016-08-03 | 2016-08-03 | Metal resonant cavity wave filter of embedded H type metal strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841422.6U CN205985282U (en) | 2016-08-03 | 2016-08-03 | Metal resonant cavity wave filter of embedded H type metal strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486726A (en) * | 2016-08-03 | 2017-03-08 | 华南理工大学 | The Metal cavity wave filter of embedded H type bonding jumper |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486726A (en) * | 2016-08-03 | 2017-03-08 | 华南理工大学 | The Metal cavity wave filter of embedded H type bonding jumper |
| CN106486726B (en) * | 2016-08-03 | 2019-08-20 | 华南理工大学 | The Metal cavity filter of embedded H-type metal strip |
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