CN109585984B - Broadband band-stop filter without RLC periodic structure - Google Patents
Broadband band-stop filter without RLC periodic structure Download PDFInfo
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- CN109585984B CN109585984B CN201811257571.8A CN201811257571A CN109585984B CN 109585984 B CN109585984 B CN 109585984B CN 201811257571 A CN201811257571 A CN 201811257571A CN 109585984 B CN109585984 B CN 109585984B
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- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
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Abstract
The invention discloses a broadband band-stop filter without an RLC periodic structure, which comprises: the two side surfaces of the mainboard are respectively provided with a first mainboard wire and a second mainboard wire which are symmetrical to each other; the two side surfaces of the head plugboard are respectively provided with a first head plugboard lead and a second head plugboard lead which are symmetrical to each other, and the head plugboard is connected to the mainboard; and the two side surfaces of the tail plugboard are respectively provided with a first tail plugboard wire and a second tail plugboard wire which are symmetrical to each other, the tail plugboard is connected to the mainboard, the length of the first head plugboard wire is smaller than that of the first tail plugboard wire, and the length of the second head plugboard wire is smaller than that of the second tail plugboard wire. The broadband band-stop filter provided by the invention can flexibly adjust the band-stop filtering range by controlling the lengths of the head plugboard lead of the head plugboard and the tail plugboard lead of the tail plugboard.
Description
Technical Field
The invention relates to the field of filters, in particular to a broadband band-stop filter without an RLC periodic structure.
Background
A filter is an electronic device that limits the operating frequency of a device. The band elimination filter can limit signals with a certain range of frequencies to pass through, and the frequency of the signals can be selected by utilizing the characteristics of the filter. Most of passive filters on the market at present are realized by resistors, capacitors and inductors. The quality of the capacitor inductor in the market is uneven, and if the input signal is a radio frequency signal, the capacitor and the inductor may lose the filtering characteristic due to the upper limit of the working frequency.
In addition, the bandwidth of a general passive band-stop filter is small, and only a small range of frequency bands can be effectively filtered.
Disclosure of Invention
The invention aims to provide a broadband band-stop filter without an RLC periodic structure, which can adjust the range of band-stop filtering.
To this end, the present invention provides a wideband band reject filter comprising:
the two side surfaces of the mainboard are respectively provided with a first mainboard wire and a second mainboard wire which are symmetrical to each other;
the head part plugboard is provided with a first head part plugboard lead and a second head part plugboard lead which are symmetrical to each other on two side surfaces respectively, the head part plugboard is connected to the mainboard, the first head part plugboard lead is electrically connected with the first mainboard lead, and the second head part plugboard lead is electrically connected with the second mainboard lead;
the both sides face of afterbody picture peg, both sides face are equipped with first afterbody picture peg wire and the second afterbody picture peg wire of mutual symmetry respectively, the afterbody picture peg connect in on the mainboard, and first afterbody picture peg wire with first mainboard wire electricity is connected, second afterbody picture peg wire with second mainboard wire electricity is connected, makes first prelude picture peg wire and first afterbody picture peg wire connect in parallel respectively in first mainboard wire, second prelude picture peg wire and second afterbody picture peg wire connect in parallel respectively in second mainboard wire, wherein, the length of first prelude picture peg wire is less than the length of first afterbody picture peg wire, the length of second prelude picture peg wire is less than the length of second afterbody picture peg wire.
Preferably, the method further comprises the following steps: and the shell is used for accommodating the mainboard, the head plugboard and the tail plugboard.
Preferably, the housing is made of aluminum material.
Preferably, the motherboard further comprises a first connection end and a second connection end, the first connection end and the second connection end are respectively located at two ends of the motherboard, the first connection end is electrically connected with one end of the first motherboard wire, and the second connection end is electrically connected with the other end of the first motherboard wire;
the shell is provided with a first through hole and a second through hole, a first joint is arranged in the first through hole, a second joint is arranged in the second through hole, the first joint and the second joint comprise a ground wire and a connecting wire, the connecting wire of the first joint is electrically connected with the first connecting end, and the ground wire is electrically connected with the second main board wire; and the connecting wire of the second joint is electrically connected with the second connecting end, and the ground wire is electrically connected with the second mainboard wire.
Preferably, the main board further comprises a plurality of groups of main board through holes, each group of main board through holes are positioned at two sides of the first main board lead and the second main board lead,
the first head part plug board lead is electrically connected with the first main board lead through the main board through hole, and the second head part plug board lead is electrically connected with the second main board lead through the main board through hole; the first tail plugboard wire is electrically connected with the first mainboard wire through the mainboard through hole, and the second tail plugboard wire is electrically connected with the second mainboard wire through the mainboard through hole.
Preferably, the socket further comprises a plurality of middle plug boards, wherein a first middle plug board wire and a second middle plug board wire which are symmetrical to each other are respectively arranged on two side faces of each middle plug board, the middle plug boards are connected to the main boards, the first middle plug board wire is electrically connected with the first main board wire, the second middle plug board wire is electrically connected with the second main board wire, so that the first middle plug board wire, the first head part plug board wire and the first tail part plug board wire are connected in parallel with the first main board wire, the second middle plug board wire, the second head part plug board wire and the second tail part plug board wire are connected in parallel with the second main board wire,
the lengths of the first intermediate plugboard wires of the intermediate plugboards are increased from the head plugboard to the tail plugboard in sequence, and the lengths of the first intermediate plugboard wires are greater than the lengths of the first head plugboard wires and less than the lengths of the first tail plugboard wires.
Preferably, the distance between the main board through holes of each group is equal, and the distance s between the main board through holes of each group is:
s＝l/n
wherein l is the length of the first mainboard wire, and n is the sum of the number of the middle plug board, the head plug board and the tail plug board.
Preferably, the head plugboard, the tail plugboard and the middle plugboard are all provided with connecting through holes, and the connecting through holes are electrically connected with the mainboard through holes.
Preferably, jacks are arranged at two ends of the mainboard, insertion ends are arranged on the head plugboard, the tail plugboard and the middle plugboard, and the head plugboard, the tail plugboard and the middle plugboard are inserted into the jacks through the insertion ends and are connected to the mainboard.
Preferably, the tail part plugboard is close to the central position of the end part of the mainboard is provided with a plugboard middle through hole electrically connected with the first tail part plugboard wire, the end part of the mainboard is provided with a mainboard middle through hole electrically connected with the first mainboard wire, the plugboard middle through hole is electrically connected with the mainboard middle through hole, so that the first tail part plugboard wire is electrically connected with the first mainboard wire.
Compared with the prior art, the broadband band-stop filter without the RLC periodic structure has the following advantages:
1) the invention can flexibly adjust the band elimination filtering range by controlling the lengths of the first head plugboard lead of the head plugboard and the first tail plugboard lead of the tail plugboard. Moreover, the broadband bandwidth filter removes the resistor, the capacitor and the inductor in a common passive filter, so that the filter can still work well in radio frequency.
2) In addition, the head plugboard, the tail plugboard and the middle plugboard of the filter are erected on the main board, so that the size of the filter is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a wideband band-stop filter without an RLC periodic structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a main board of the wideband band-stop filter without the RLC periodic structure according to the present invention.
Fig. 3 is a schematic structural diagram of a header board of a wideband band-stop filter without an RLC periodic structure according to the present invention.
Fig. 4 is a schematic structural diagram of a backplane of the wideband band-stop filter without the RLC periodic structure according to the present invention.
Fig. 5 is a schematic circuit diagram of a wideband band-stop filter without an RLC periodic structure according to the present invention.
Fig. 6 is a graph of simulation results of the wideband band reject filter shown in fig. 5.
The reference symbols in the drawings illustrate the following:
Detailed Description
The invention will be further explained with reference to the drawings.
Fig. 1 is a schematic structural diagram of the wideband band-stop filter without the RLC periodic structure according to an embodiment of the present invention. As shown in fig. 1, the wideband band elimination filter without the RLC periodic structure includes a motherboard 2, a header board 3, a middle board 5, a tail board 4 and a housing 1.
The shell 1 is made of aluminum material, and is hollow and substantially cubic. The mainboard 2 is tiled in the shell 1, and the head plugboard 3, the middle plugboard 5 and the tail plugboard 4 are perpendicular to the mainboard 2 and fixed on the mainboard 2. The shell 1 is provided with a first through hole 11 and a second through hole 12, a first joint is arranged in the first through hole 11, a second joint is arranged in the second through hole 12, the first joint is electrically connected with the first connecting end 21, and the second joint is electrically connected with the second connecting end 22. In this embodiment, the first joint and the second joint are SMA joints, and include a connection line and a ground line, the connection line of the first joint is connected to the first connection end, and the connection line of the second joint is connected to the second connection end. In this embodiment, the first connection end 21 and the second connection end 22 may be output ends or input ends, and both ends have no directivity.
Fig. 2 is a schematic diagram of the structure of the main board 2 of the broadband band-stop filter without the RLC periodic structure. As shown in fig. 2, the motherboard 2 is a flat circuit board, and at least one side surface of the circuit board is provided with a first connection end 21, a second connection end 22, a first motherboard wire 23, a second motherboard wire (not shown), a plurality of sets of motherboard through holes 24 and a jack 25. The first connection end 21 and the second connection end 22 are respectively disposed on a side surface of the motherboard 2 and located at two end portions of the motherboard 2. The first connection end 21 is electrically connected to one end of the first motherboard wire 23, and the second connection end 22 is electrically connected to the other end of the first motherboard wire 23. And the second main board wire is electrically connected with the first interface and the ground wire of the second joint. The first main board wires 23 and the second main board wires are symmetrical to each other (i.e. the first main board wires 23 and the second main board wires have the same wiring shape and length), and are respectively disposed on two side surfaces of the main board 2. The jacks 25 are located at two ends of the main board 2 and are used for connecting the head plug board 3, the middle plug board 5 and the tail plug board 4.
Mainboard through-hole 24 divide into the multiunit, and every group mainboard through-hole 24 is located first mainboard wire 23 and second mainboard wire both sides and with first mainboard wire 23 and second mainboard wire electricity are connected, first prelude picture peg wire 31 and first afterbody picture peg wire 41 pass through respectively mainboard through-hole 24 with first mainboard wire 23 electricity is connected, second prelude picture peg wire and second afterbody picture peg wire pass through respectively mainboard through-hole 24 with second mainboard wire electricity is connected. The distance between the main board through holes 24 of each group is equal, and the distance s between the main board through holes 24 of each group is:
s＝l/n
wherein l is the length of the first motherboard wire 23, and n is the sum of the number of the middle plug board 5, the head plug board 3 and the tail plug board 4.
Fig. 3 is a schematic structural diagram of a header board 3 of a wideband band-stop filter without an RLC periodic structure. As shown in fig. 3, the header board 3 is a flat circuit board, and two sides of the board are provided with a first header board wire 31, a second header board wire (not shown), and a connection via 32. The first head part board wire 31 and the second head part board wire are serpentine lines folded back and forth and are symmetrical to each other (that is, the first head part board wire 31 and the second head part board wire have the same shape and length), and a person skilled in the art can set the serpentine routing density of the first head part board wire 31 and the second head part board wire as required to adjust the lengths of the first head part board wire 31 and the second head part board wire. The connecting through hole 32 is electrically connected to the main board through hole 24, and in this embodiment, the connecting through hole 32 is welded to the main board through hole 24 through a pin header, so that the first head part socket wire 31 is electrically connected to the first main board wire 23, and the second head part socket wire is electrically connected to the second main board wire. An insertion end 33 is arranged at the end part of the head part insertion board 3, the insertion end 33 protrudes out of the edge of the head part insertion board 3, and the head part insertion board 3 is inserted into the insertion hole 25 through the insertion end 33 and is connected to the main board 2.
Fig. 4 is a schematic structural diagram of a backplane board 4 of a broadband band-stop filter without an RLC periodic structure. As shown in fig. 4, the rear board 4 is a flat circuit board, and two side surfaces of the rear board are provided with a first rear board lead 41, a second rear board lead (not shown in the figure) and a connection through hole 42. First afterbody picture peg wire 41, second afterbody picture peg wire are symmetrical each other (i.e. first afterbody picture peg wire 41 and second afterbody picture peg wire walk line shape and length the same), for the snakelike broken line of making a round trip to fold, and the density that the field of the art personnel can set up first afterbody picture peg wire 41, the snakelike line of second afterbody picture peg wire as required is in order to adjust the length of first afterbody picture peg wire 41 and second afterbody picture peg wire, wherein, the length of first picture peg prelude wire 31 is less than the length of first afterbody picture peg wire 41, the length of second prelude picture peg wire is less than the length of second afterbody picture peg wire. The connecting through hole 42 is electrically connected to the main board through hole 24, so that the first tail board wire 41 is electrically connected to the first main board wire 23, and the second tail board wire is electrically connected to the second main board wire. The tail inserting plate 4 is close to the central position of the end part of the main plate 2 and is provided with an inserting plate middle through hole 44 electrically connected with the midpoint of the first tail inserting plate lead wire 41, the end part of the main plate 2 is provided with a main plate middle through hole 26 electrically connected with the first main plate lead wire 23, the inserting plate middle through hole 44 is electrically connected with the main plate middle through hole 26, and the main plate middle through hole 26 is electrically connected with the second connecting end 22. In this embodiment, the main board middle through hole 26 and the second connection end 22 may be connected by pin header welding. The end part of the tail inserting plate 4 is provided with an inserting end 43, the inserting end 43 protrudes out of the edge of the tail inserting plate 4, and the tail inserting plate 4 is inserted into the inserting hole 25 through the inserting end 43 and is connected to the main plate 2.
In the present embodiment, one or more intermediate insert boards 5 are further provided in a stacked manner between the head insert board 3 and the tail insert board 4. And a first middle plugboard conducting wire, a second middle plugboard conducting wire and a connecting through hole are arranged on two side surfaces of the middle plugboard 5. The first middle flashboard conducting wire and the second middle flashboard conducting wire are mutually symmetrical, the shapes and the lengths are equal, and the shapes of the first middle flashboard conducting wire and the second middle flashboard conducting wire are serpentine folding lines which are folded back and forth. A person skilled in the art can set the serpentine routing density of the first and second intermediate board wires as required to adjust the lengths of the first and second intermediate board wires, wherein the lengths of the first intermediate board wires of the intermediate board 5 are sequentially increased from the head board 3 to the tail board 4, and the length of the first intermediate board wires of the intermediate board 5 is greater than the length of the first head board wires 31 and less than the length of the first tail board wires 41. Similarly, the lengths of the second intermediate board wires of the intermediate board 5 are sequentially increased from the head board 3 to the tail board 4, and the length of the second intermediate board wires of the intermediate board 5 is greater than that of the second head board wires and less than that of the second tail board wires.
Preferably, the lengths of the first head patch lead 31, the first middle patch lead and the first tail patch lead 41 are sequentially increased by the same length, and the lengths of the second head patch lead, the second middle patch lead and the second tail patch lead are sequentially increased by the same length to form a periodic structure. In this embodiment, the first head part board wire 31, the first middle board wire, the first tail part board wire 41 and the first main board wire 23, and the second head part board wire, the second middle board wire, the second tail part board wire and the second main board wire are implemented by tin spraying.
The connecting through hole is electrically connected with the main board through hole 24, so that the first middle plug board wire is electrically connected with the first main board wire 23, and the second middle plug board wire is electrically connected with the second main board wire. The middle plug board 5 is provided with an insertion end which protrudes out of the edge of the tail plug board 4, and the middle plug board 5 is inserted into the insertion hole 25 through the insertion end and is connected with the main board 2.
In this embodiment, the frequency range of the stop band of the wideband band-stop filter is related to the length of the first front board wire 31 and the length of the first tail board wire 41, and when the corresponding wavelength of the stop band frequency is equal to half of the sum of the length of the first front board wire 31 and the length of the first tail board wire 41, a stop band appears, that is, the stop band range is between 2C/L1 and 2C/L2, where C is the speed of light, L1 is the length of the first tail board wire 41, and L2 is the length of the first front board wire 31, and the stop band range can be adjusted by adjusting the lengths of the first front board wire and the first tail board wire, for example, L2 can be very short, and L1 can be very long.
The following describes the fabrication process of the broadband band-stop filter without the RLC periodic structure.
First, a case 1 of a broadband band-stop filter without an RLC periodic structure is prepared in an appropriate size.
Then, the main board 2, the head board 3, the tail board 4 and a plurality of different intermediate boards 5 are manufactured, the lengths of the wires of the head board 3, the tail board 4 and the intermediate boards 5 are different, and the tail board 4 is provided with a board intermediate through hole 44.
Then, welding the first connector and the second connector on the first connecting end 21 and the second connecting end 22 of the mainboard 2;
then, the head part plug board 3, the middle plug board 5 and the tail plug board 4 are respectively connected to the jack 25 of the mainboard 2 through the insertion ends so as to fix the head part plug board 3, the middle plug board 5 and the tail plug board 4 on the mainboard 2;
then, the connecting through holes of the head part board 3, the middle board 5 and the tail board 4 are respectively welded with the main board through holes 24 of the main board 2 through pin headers, so that the first head part board lead wire 31, the first middle board lead wire and the first tail board lead wire 41 are respectively connected in parallel with the first main board lead wire 23, and the second head part board lead wire, the second middle board lead wire and the second tail board lead wire are respectively connected in parallel with the second main board lead wire. Thus, the first mid, first nose and first tail patch conductors 31, 41 are connected to and in parallel with the first motherboard conductors 23, respectively, and the second mid, second nose and second tail patch conductors are connected to and in parallel with the second motherboard conductors, respectively.
And finally, the head plugboard 3, the middle plugboard 5, the tail plugboard 4 and the mainboard 2 are packaged into the shell 1, and the first connector and the second connector are led out through the first through hole 11 and the second through hole 12.
Fig. 5 is a schematic circuit diagram of a wideband band-stop filter. The wideband band-stop filter shown in fig. 5 includes 1 head card, 5 middle cards, and 1 tail card. In the figure, the first connection end is connected to the first motherboard wire, the second connection end is connected to the midpoint of the first tail board wire, and the first head board wire 31, the first middle board wire and the first tail board wire 41 are respectively connected in parallel to the first motherboard wire 23 (as shown in fig. 5). The second head patch board wire, the second middle patch board wire and the second tail patch board wire are respectively connected in parallel with the second main board wire (not shown in the figure).
When the signal input end is connected with the first connecting end, the signal output end is connected with the second connecting end, and the second head plugboard wire, the second middle plugboard wire and the second tail plugboard wire are respectively connected with the second mainboard wire in parallel and are grounded. Fig. 6 is a graph of simulation results of the wideband band reject filter shown in fig. 5. As can be seen from fig. 6, the head board 3, the middle board 5, and the tail board 4 are inserted into the motherboard 2, and the lengths of the wires of the head board 3, the middle board 5, and the tail board 4 are sequentially increased from the head board to the tail board, so as to implement a periodic structure, which may exhibit a distinct bragg band gap characteristic in some specific frequency bands, and may be used to implement a stop band performance.
The broadband band-stop filter without the RLC periodic structure can effectively filter from very high frequency to very low frequency, and a resistor, a capacitor and an inductor of a traditional passive filter are abandoned, so that the broadband band-stop filter is realized. The band elimination filter solves the problem that the capacitor and the inductor lose the filtering characteristic in a radio frequency range due to the upper limit of the working frequency to a great extent, and improves the filtering effect of the passive filter in the radio frequency range. In addition, the broadband band-stop filter adopts a vertical three-dimensional structure, so that the size of the filter is effectively reduced.
It is to be understood that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover such changes and modifications as fall within the scope of the appended claims and equivalents thereof.
Claims (9)
1. A wideband band reject filter without an RLC periodic structure, comprising:
the two side surfaces of the mainboard are respectively provided with a first mainboard wire and a second mainboard wire which are symmetrical to each other; the mainboard further comprises a first connecting end and a second connecting end, the first connecting end and the second connecting end are respectively positioned at two end parts of the mainboard, the first connecting end is electrically connected with one end of the first mainboard wire, and the second connecting end is electrically connected with the other end of the first mainboard wire;
the shell is provided with a first through hole and a second through hole, a first joint is arranged in the first through hole, a second joint is arranged in the second through hole, the first joint and the second joint comprise a ground wire and a connecting wire, the connecting wire of the first joint is electrically connected with the first connecting end, and the ground wire is electrically connected with the second mainboard wire; the connecting wire of the second joint is electrically connected with the second connecting end, and the ground wire is electrically connected with the second main board wire;
the head part plugboard is provided with a first head part plugboard lead and a second head part plugboard lead which are symmetrical to each other on two side surfaces respectively, the head part plugboard is connected to the mainboard, the first head part plugboard lead is electrically connected with the first mainboard lead, and the second head part plugboard lead is electrically connected with the second mainboard lead;
the two side surfaces of the tail plugboard are respectively provided with a first tail plugboard wire and a second tail plugboard wire which are symmetrical to each other, the tail plugboard is connected to the mainboard, the first tail plugboard wire is electrically connected with the first mainboard wire, the second tail plugboard wire is electrically connected with the second mainboard wire, so that the first head plugboard wire and the first tail plugboard wire are respectively connected in parallel with the first mainboard wire, the second head plugboard wire and the second tail plugboard wire are respectively connected in parallel with the second mainboard wire, wherein the length of the first head plugboard wire is smaller than that of the first tail plugboard wire, and the length of the second head plugboard wire is smaller than that of the second tail plugboard wire;
and when the corresponding wavelength of the stop band frequency of the broadband band-stop filter is equal to half of the sum of the length of the first head plugboard conducting wire and the length of the first tail plugboard conducting wire, a stop band appears.
2. The wideband band reject filter without the RLC periodic structure of claim 1, further comprising:
and the shell is used for accommodating the mainboard, the head plugboard and the tail plugboard.
3. The RLC periodic structure-free wideband band reject filter of claim 2, wherein: the shell is made of aluminum materials.
4. The RLC periodic structure-free wideband band reject filter of claim 1, wherein: the main board also comprises a plurality of groups of main board through holes, each group of main board through holes are positioned at two sides of the first main board lead and the second main board lead,
the first head part plug board lead is electrically connected with the first main board lead through the main board through hole, and the second head part plug board lead is electrically connected with the second main board lead through the main board through hole; the first tail plugboard wire is electrically connected with the first mainboard wire through the mainboard through hole, and the second tail plugboard wire is electrically connected with the second mainboard wire through the mainboard through hole.
5. The wideband band elimination filter without RLC periodic structure as claimed in claim 1, further comprising a plurality of middle plug boards, wherein two side faces of said middle plug board are respectively provided with a first middle plug board wire and a second middle plug board wire which are symmetrical to each other, said middle plug board is connected to said motherboard, and said first middle plug board wire is electrically connected to said first motherboard wire, said second middle plug board wire is electrically connected to said second motherboard wire, so that said first middle plug board wire, said first header plug board wire and said first tail plug board wire are connected in parallel to said first motherboard wire, said second middle plug board wire, said second header plug board wire and said second tail plug board wire are connected in parallel to said second motherboard wire,
the lengths of the first intermediate plugboard wires of the intermediate plugboards are increased from the head plugboard to the tail plugboard in sequence, and the lengths of the first intermediate plugboard wires are greater than the lengths of the first head plugboard wires and less than the lengths of the first tail plugboard wires.
6. The wideband band reject filter without the RLC periodic structure of claim 5, wherein: every group the distance between the mainboard through-hole equals to every group distance s between the mainboard through-hole is:
s＝l/n；
wherein l is the length of the first mainboard wire, and n is the sum of the number of the middle plug board, the head plug board and the tail plug board.
7. The wideband band reject filter without the RLC periodic structure of claim 6, wherein: the head part plugboard, the tail part plugboard and the middle plugboard are all provided with connecting through holes, and the connecting through holes are electrically connected with the mainboard through holes.
8. The RLC periodic structure-free wideband band reject filter of claim 7, wherein: the two ends of the mainboard are provided with jacks, the head plugboard, the tail plugboard and the middle plugboard are provided with insertion ends, and the head plugboard, the tail plugboard and the middle plugboard are inserted into the jacks through the insertion ends and are connected to the mainboard.
9. The RLC periodic structure-free wideband band reject filter of claim 8, wherein: the tail plugboard is close to the central position of the end part of the mainboard is provided with a plugboard middle through hole electrically connected with a first tail plugboard wire, the end part of the mainboard is provided with a mainboard middle through hole electrically connected with a first mainboard wire, the plugboard middle through hole is electrically connected with the mainboard middle through hole, so that the first tail plugboard wire is electrically connected with the first mainboard wire.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310802A (en) * | 1986-07-01 | 1988-01-18 | Mitsubishi Electric Corp | Branch waveguide type band stop filter |
| US4914407A (en) * | 1988-06-07 | 1990-04-03 | Board Of Regents, University Of Texas System | Crosstie overlay slow-wave structure and components made thereof for monolithic integrated circuits and optical modulators |
| CN202275913U (en) * | 2011-07-29 | 2012-06-13 | 深圳光启高等理工研究院 | Resonant cavity |
| CN202600185U (en) * | 2012-02-29 | 2012-12-12 | 浙江工业大学 | Photorefractive long-period waveguide grating filter |
| CN108376817A (en) * | 2018-02-06 | 2018-08-07 | 雄安华讯方舟科技有限公司 | Terahertz bandstop filter unit based on Meta Materials and Terahertz bandstop filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103877A (en) * | 2014-06-24 | 2014-10-15 | 中国电子科技集团公司第十研究所 | Impedance frequency select surface |
| CN107508017B (en) * | 2017-08-10 | 2020-08-11 | 杭州电子科技大学 | Band-suction type broadband frequency selection structure and application thereof |
-
2018
- 2018-10-26 CN CN201811257571.8A patent/CN109585984B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310802A (en) * | 1986-07-01 | 1988-01-18 | Mitsubishi Electric Corp | Branch waveguide type band stop filter |
| US4914407A (en) * | 1988-06-07 | 1990-04-03 | Board Of Regents, University Of Texas System | Crosstie overlay slow-wave structure and components made thereof for monolithic integrated circuits and optical modulators |
| CN202275913U (en) * | 2011-07-29 | 2012-06-13 | 深圳光启高等理工研究院 | Resonant cavity |
| CN202600185U (en) * | 2012-02-29 | 2012-12-12 | 浙江工业大学 | Photorefractive long-period waveguide grating filter |
| CN108376817A (en) * | 2018-02-06 | 2018-08-07 | 雄安华讯方舟科技有限公司 | Terahertz bandstop filter unit based on Meta Materials and Terahertz bandstop filter |
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| CN109585984A (en) | 2019-04-05 |
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