CN112073016B - Biquadratic active band-pass filter - Google Patents
Biquadratic active band-pass filter Download PDFInfo
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- CN112073016B CN112073016B CN202010775635.4A CN202010775635A CN112073016B CN 112073016 B CN112073016 B CN 112073016B CN 202010775635 A CN202010775635 A CN 202010775635A CN 112073016 B CN112073016 B CN 112073016B
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
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Abstract
The invention discloses a double-quadratic active band-pass filter, which comprises an integrated module and a shell used for wrapping the integrated module, wherein two ends of the integrated module are respectively provided with a mounting seat protruding out of the shell, the mounting seat is provided with a plurality of mounting areas, an electric connecting block electrically connected with the integrated module is arranged in the mounting seat, the electric connecting block is connected with a plurality of first conductive posts extending to each mounting area, when in use, a cable joint can be mounted in any one mounting area through a connecting clamping piece, the cable joint can be taken as a cable tap, and simultaneously, the cable joint can be detached, so that the two cable joints are fixed together through the connecting clamping piece, an expansion joint for extending a connecting cable can be formed, the applicability is stronger, and when the cable joint is fixed, liquid metal can be taken as a filling medium for connecting the cable joint and the mounting seat through an auxiliary connecting piece, the problem of poor contact can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a biquadratic active band-pass filter.
Background
The filter is a frequency selection component, which mainly allows the signal of the designated frequency band to pass through smoothly, while the signals of other frequency bands play the role of attenuation, for example, the low-pass filter allows the low-frequency signal to pass through smoothly, while the high-frequency signal is suppressed.
The current filter can be divided into a passive filter and an active filter according to whether an active device is adopted or not, the active filter does not use an inductance element, so the volume is small, the weight is light, and the magnetic shielding is not needed to be added, the integrated operational amplifier in the active filter can add voltage to be connected in series for feedback, the input impedance is high, the output impedance is high, and the input and the output have good isolation, so that the high-order filter can be obtained only by connecting a plurality of low-order filters in series.
The two-type band-pass filter in the active filter is a high-grade circuit, its performance is very stable, its regulation is convenient, and it is not difficult to obtain Q as high as 100PThe (extremely-even quality factor) value is particularly suitable for a high-quality high-order filter realized by multi-section cascade, but when the high-order filter is arranged in a smaller space through cables in series, the positions of the input end and the output end of the high-order filter are fixed, so that the connected cables need to be bent by a great amplitude to be arranged in the smaller space for a long timeIn the past, the wrapping layer of the cable is easy to age, and the normal work of the filter is influenced.
Disclosure of Invention
The invention aims to provide a biquadratic active band-pass filter, which aims to solve the technical problem that in the prior art, when a plurality of active band-pass filters connected in series are arranged in a small space, a connected cable needs to be bent by a large amplitude due to the fixed positions of an output end and an input end, so that the cable is easy to damage and the normal work of the filter is influenced when the cable is used for a long time.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a biquadratic active band-pass filter comprises an integrated module and a shell for wrapping the integrated module, the two ends of the integrated module are respectively provided with a mounting seat protruding out of the shell, a plurality of mounting areas are arranged on the mounting seats, an electrical connection block electrically connected with the integrated module is arranged in the mounting seat, a plurality of first conductive posts extending to each mounting area are connected on the electrical connection block, a cable joint opposite to the first conductive column is arranged in the mounting area, the cable joint is fixed in the mounting area through a connecting fastener and is electrically connected with the first conductive column, the first conductive column is further provided with an auxiliary connecting piece, when the cable joint is fixed in the installation area and electrically connected with the first conductive column, the auxiliary connecting piece follows up, and the auxiliary cable joint is electrically connected with the first conductive column.
As a preferable scheme of the present invention, the mounting seat is in a triangular prism structure, and the mounting areas are respectively located on a side wall of the mounting seat and an end of the mounting seat away from the integrated module.
As a preferable aspect of the present invention, the cable joint includes a connection shell and a second conductive pillar disposed in the connection shell, and one end of the second conductive pillar facing the mounting area is provided with a contact in contact with the first conductive pillar;
the contact piece comprises a first contact pressing sheet and a plurality of connecting elastic sheets arranged around the side wall of the second conductive column, and one ends, far away from the second conductive column, of the connecting elastic sheets are connected with the first contact pressing sheet.
In a preferred embodiment of the present invention, the first contact pad is provided for a protruding connection shell.
As a preferred aspect of the present invention, the connection elastic piece has an arc-shaped structure facing the central axis of the second conductive pillar.
As a preferable scheme of the invention, the connection clamping piece comprises a control ring which is rotatably connected to the connection shell through threads, one side of the control ring facing the installation area is rotatably connected with a connection ring which is sleeved on the connection shell, one side of the connection ring far away from the control ring is provided with a plurality of hooks in an annular array around the central axis of the connection ring, the installation area is provided with a snap ring which slides along the axial direction of the first conductive column and corresponds to the hooks, the hooks are clamped with the snap ring, and the control ring gradually drives the connection ring to far away from the installation area to generate extrusion force, so that the connection shell is fixed in the installation area through the extrusion force.
In a preferred embodiment of the present invention, the hook has a T-shaped structure.
As a preferable scheme of the present invention, the end of the connecting shell facing the mounting region has a plurality of positioning grooves and positioning blocks arranged alternately with respect to the annular array of the central axis of the second conductive column, and the mounting region has a plurality of fixing grooves matched with the positioning blocks with respect to the annular array of the central axis of the first conductive column.
As a preferable scheme of the present invention, the auxiliary connecting member includes a piston hole formed in the first conductive column, a control plate protruding out of a side wall of the first conductive column is slidably connected in the piston hole through a tension spring, the control plate is connected to the snap ring through a connecting rod, a piston block disposed in the piston hole is slidably connected to the control plate through a spring, a second contact pressing plate having a plurality of through holes and used for sealing the piston hole is disposed at one end of the first conductive column away from the connecting block, a storage cavity for storing the liquid metal is formed between the second contact pressing plate and the piston block, and the control plate is driven by the snap ring to push the piston block to place the liquid metal between the first contact pressing plate and the second contact pressing plate.
In a preferred embodiment of the present invention, the second contact pressing piece is provided with an annular mounting groove surrounding the plurality of through holes, and a sealing ring protruding from a surface of the second contact pressing piece is disposed in the annular mounting groove.
Compared with the prior art, the invention has the following beneficial effects:
when the cable joint is used, the cable joint can be installed in any installation area through the arranged connecting clamping piece, the cable joint can be detached while serving as a cable tap, so that the two cable joints are fixed together through the connecting clamping piece, an extended joint for extending a connecting cable can be formed, the applicability is stronger, and when the cable joint is fixed, liquid metal can serve as a filling medium for connecting the cable joint and the installation seat through the auxiliary connecting piece, so that the problem of poor contact can be effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of a cable connector and a mounting base according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a mounting base according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection of two cable connectors according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a control board according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a snap ring according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a connection module according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a hook according to an embodiment of the present invention;
fig. 9 is an enlarged view of a portion of a structure shown in fig. 1.
The reference numerals in the drawings denote the following, respectively:
1-mounting a base; 2-an installation area; 3-an electrical connection block; 4-a first conductive post; 5-a cable joint; 6-connecting the clamping piece; 7-auxiliary connections; 8-positioning grooves; 9-positioning blocks; 10-a fixed groove;
501-connecting shell; 502-a second conductive post; 503-a contact; 504-first contact pad; 505-connecting spring plate;
601-control loop; 602-a connecting ring; 603-hook; 604-a snap ring;
701-the piston bore; 702-a control panel; 703-a connecting rod; 704-a piston block; 705-a via; 706-second contact pad; 707-annular mounting groove; 708-sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, the present invention provides a biquadratic active band pass filter, which includes an integrated module and a housing for wrapping the integrated module, wherein mounting seats 1 protruding out of the housing are respectively disposed at two ends of the integrated module, a plurality of mounting areas 2 are disposed on the mounting seats 1, an electrical connection block 3 electrically connected to the integrated module is disposed in the mounting seats 1, the mounting seats 1 are triangular prism structures, and the mounting areas 2 are respectively located on a side wall of the mounting seats 1, and a tip of the mounting seats 1 away from the integrated module.
Installing zone 2 here divides according to the shape of mount pad 1, also can be in actual use, set up it into other shapes as required, guarantee in the use, can come to be connected with external cable at each angle, it is nearer to avoid two adjacent wave filter mounted positions, lead to being used for connecting two external cables that the wave filter is established ties together can be crooked with great range, not only make its epidermis age easily, and also have a power of recovering to initial condition because of receiving external cable self easily, lead to the easy not hard up problem that appears of joint.
Be connected with a plurality of first conductive columns 4 that extend to every installing zone 2 on the electric connection block 3, be provided with in installing zone 2 with first conductive column 4 relative cable joint 5, cable joint 5 is fixed in installing zone 2 through connecting fastener 6 and is led first conductive column 4 electric connection, still is provided with auxiliary connecting piece 7 on first conductive column 4, when cable joint 5 fixes in installing zone 2 and leads first conductive column 4 electric connection, auxiliary connecting piece 7 follow-up, auxiliary cable joint 5 carries out electric connection with first conductive column 4.
When all installing cable joint 5 in every installing zone 2, can make mount pad 1 cooperate cable joint 5 to form the structure of a cable adapter, can increase substantially the portability when accessing its circuit, the suitability is wider.
As shown in fig. 1 to 4, the cable connector 5 includes a connecting shell 501 and a second conductive pillar 502 disposed in the connecting shell 501, and one end of the second conductive pillar 502 facing the mounting area 2 is provided with a contact 503 contacting the first conductive pillar 4.
The contact 503 includes a first contact pad 504 and a plurality of connection resilient tabs 505 disposed around the sidewall of the second conductive post 502, and ends of the connection resilient tabs 505 away from the second conductive post 502 are connected to the first contact pad 504.
The first contact pad 504, the second conductive post 502 and the connecting spring 505 are of an integrated structure and are made of copper alloy with excellent conductivity, so as to prevent the problem that the contact failure is easily caused by more connecting parts during use,
the first contact pressing piece 504 is disposed to protrude the connection housing 501, and is mainly used to reserve a certain contact buffering space to prevent the problem of poor contact caused by loose when connecting with the mounting base 1,
the connection spring plate 505 is an arc-shaped structure facing the central axis of the second conductive column 502, the connection spring plate 505 is a main buffering part, and the first contact pressing plate 504 protrudes out of the connection shell 501, so that when contacting the first conductive column 4, a force can be exerted, the first contact pressing plate 504 can be in close contact with the first conductive column 4, and the connection stability of the first contact pressing plate is improved.
Connecting fastener 6 includes control ring 601 of connecting on connecting shell 501 through the screw rotation, and control ring 601 rotates towards one side of installing zone 2 and is connected with the go-between 602 that the cover was established on connecting shell 501, and go-between 602 and control ring 601 are the coaxial setting, guarantee that go-between 602 can be normal carry out the adjustment position on connecting shell 501, because of control ring 601 rotates through the screw and connects on connecting shell 501, consequently can control the position of go-between 602 through connecting shell 501 at the position change of connecting shell 501.
As shown in fig. 1, 2, 4 and 8, a side of the connection ring 602 away from the control ring 601 is annularly arrayed with respect to a central axis of the connection ring 602, the hooks 603 are T-shaped, a gap between two adjacent hooks 603 can accommodate one hook 603, that is, a connection between two cable connectors 5 can be realized by mutual engagement of the hooks 603, and the principle is as follows:
the hooks 603 on the two cable connectors 5 are engaged in a staggered manner, and at this time, the control rings 601 on the two cable connectors 5 are synchronously rotated to drive the connecting rings 602 to move away from each other, so that the connecting shell 501 can move in a pressing manner, and the hooks 603 are gradually tightened to be engaged with each other, so that the two cable connectors are tightly connected together to form an expansion connector capable of expanding the length of the external cable.
The connection between the first conductive posts 4 inside the first conductive posts makes the first contact pads 504 tightly attached by bending the connection elastic pieces 505, so as to avoid the problem of poor contact easily occurring when forming the expansion joints.
The mounting area 2 is provided with a snap ring 604 which slides along the axial direction of the first conductive post 4 and corresponds to the snap hook 603, the snap hook 603 is engaged with the snap ring 604, and the control ring 601 gradually drives the connection ring 602 to move away from the mounting area 2 to generate an extrusion force, so that the connection shell 501 is fixed in the mounting area 2 by the extrusion force.
The inner side of the snap ring 604 is provided with a plurality of protrusions for matching with the hooks 603, when the cable connector 5 is fixed in the installation area 2, the connecting ring 602 is firstly moved to a position where the snap ring 604 can be clamped with the hooks 603, the connecting ring 602 is rotated to clamp the hooks 603 with the snap ring 604, then the connecting ring 602 is gradually far away from the installation area 2, in the process, the snap ring 604 is firstly pulled to move for a certain distance, then the snap ring 604 is fixed, and the cable connector 5 is applied with a force of propping against the installation base 1 by clamping the hooks 603 with the snap ring 604, so that the installation of the cable connector 5 is completed.
As shown in fig. 1 and 7, an end of the connecting shell 501 facing the mounting area 2 has a plurality of positioning slots 8 and positioning blocks 9 in an annular array with respect to a central axis of the second conductive pillar 502, the positioning slots 8 and the positioning blocks 9 are arranged alternately, and a plurality of fixing slots 10 matching with the positioning blocks 9 are arranged in the mounting area 2 in an annular array with respect to a central axis of the first conductive pillar 4.
When two cable joint 5 are connected, can realize two cable joint 5 spacing each other through the gomphosis of constant head tank 8 with locating piece 9 to improve its stability of connecting, when cable joint 5 was fixed in on mount pad 1, locating piece 9 then with constant head tank 8 looks gomphosis, in order to realize the location installation of cable joint 5 on mount pad 1, improve the stability of cable joint 5 installation.
As shown in fig. 1, 2, 5, 6 and 9, the auxiliary connecting member 7 includes a piston hole 701 formed in the first conductive pillar 4, a control plate 702 protruding from a side wall of the first conductive pillar 4 is slidably connected to the piston hole 701 through a tension spring, the control plate 702 is connected to the snap ring 604 through a connecting rod 703, a piston block 704 disposed in the piston hole 701 is slidably connected to the control plate 702 through a spring, a plurality of through holes 705 are formed at an end of the first conductive pillar 4 away from the connecting block, a second contact pad 706 for sealing the piston hole 701 is formed between the second contact pad 706 and the piston block 704, and the control plate 702 is driven by the snap ring 604 to push the piston block 704 to dispose the liquid metal between the first contact pad 504 and the second contact pad 706.
The piston block 704 is used for controlling liquid metal to be extruded from the through hole 705 to fill a gap between the second contact pressing piece 706 and the first contact pressing piece 504, so that the electrical stability of the piston block is improved, the piston block 704 slides on the control plate 702 through a spring, and mainly plays a role in buffering the movement of the piston block 704, so that the problem that the piston block 704 is damaged easily due to the fact that the first contact pressing piece 504 and the second contact pressing piece 706 are connected too tightly, the liquid metal cannot be extruded from the through hole 705, and therefore a large force is generated on the piston block 704.
When the device is used, after the hook 603 is clamped with the snap ring 604, the connecting ring 602 is gradually far away from the mounting area 2, the snap ring 604 can be moved a distance in advance, which is an initial force for driving the movement of the control plate 702, namely, the movement of the snap ring 604 can drive the movement of the control plate 702 through the connecting rod 703, the movement of the control plate 702 can drive the piston block 704 connected with the piston block to move through a spring, and the space of the storage cavity can be reduced when the piston block 704 moves, so that liquid metal in the storage cavity can be extruded out through the through hole 705, and the liquid metal is filled in a gap between the first contact pressing piece 504 and the second contact pressing piece 706, thereby enhancing the connection stability.
When the cable joint 5 is separated from the fixing of the mounting base 1, the control plate 702 can be restored to the original position under the action of the tension spring, and further the movement of the piston block 704 can be driven, overflowed liquid metal can be recovered, and the service life of the whole cable joint can be effectively prolonged.
It should be noted that, in order to prevent the liquid metal from being squeezed out when the first contact pressing piece 504 and the second contact pressing piece 706 are not tightly adhered, thereby causing a waste problem, a fixed force needs to be manually applied to the cable connector 5 when the cable connector 5 is fixed on the mounting base 1, so that the first contact pressing piece 504 and the second contact pressing piece 706 are stably connected, and further, the pressure can be adaptively applied to the piston block 704 under the action of the spring during gradual fixing, so as to prevent the liquid metal from being meaninglessly spilled.
The second contact pressing sheet 706 is provided with an annular mounting groove 707 surrounding the plurality of through holes 705, a sealing ring 708 protruding out of the surface of the second contact pressing sheet 706 is arranged in the annular mounting groove 707, and the sealing ring 708 is mainly used for avoiding the problem that when liquid metal is extruded, the liquid metal is completely overflowed due to a large gap between the first contact pressing sheet 504 and the second contact pressing sheet 706, wherein when the first contact pressing sheet 504 and the second contact pressing sheet 706 are contacted, a closed cavity with a small gap is formed by matching the sealing ring 708, so that the liquid metal can enter the closed cavity to enhance the connection stability between the closed cavity and the closed cavity, and the problem that the liquid metal is easily and completely overflowed can be prevented.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. A biquadratic active band-pass filter comprises an integrated module and a shell used for wrapping the integrated module, and is characterized in that two ends of the integrated module are respectively provided with a mounting seat (1) protruding out of the shell, a plurality of mounting areas (2) are arranged on the mounting seats (1), an electric connecting block (3) electrically connected with the integrated module is arranged in each mounting seat (1), a plurality of first conductive columns (4) extending to each mounting area (2) are connected on each electric connecting block (3), a cable joint (5) opposite to the first conductive columns (4) is arranged in each mounting area (2), the cable joint (5) is fixed in each mounting area (2) through a connecting clamp (6) and electrically connected with the first conductive columns (4), an auxiliary connecting piece (7) is further arranged on each first conductive column (4), when the cable connector (5) is fixed in the mounting area (2) and electrically connected with the first conductive column (4), the auxiliary connecting piece (7) follows up to assist the cable connector (5) to be electrically connected with the first conductive column (4);
the cable joint (5) comprises a connecting shell (501) and a second conductive column (502) arranged in the connecting shell (501), and a contact piece (503) which is in contact with the first conductive column (4) is arranged at one end, facing the mounting area (2), of the second conductive column (502);
the contact piece (503) comprises a first contact pressing sheet (504) and a plurality of connecting elastic sheets (505) arranged around the side wall of the second conductive post (502), and one ends, far away from the second conductive post (502), of the connecting elastic sheets (505) are connected with the first contact pressing sheet (504).
2. A biquad active bandpass filter according to claim 1, wherein: the mounting seat (1) is of a triangular prism structure, and the mounting area (2) is respectively located on the side wall of the mounting seat (1) and one end of the mounting seat (1) far away from the integrated module.
3. A biquad active bandpass filter according to claim 1, wherein: the first contact pad (504) is provided for the protruding connection housing (501).
4. A biquad active bandpass filter according to claim 1, wherein: the connecting elastic sheet (505) is of an arc-shaped structure facing the central axis of the second conductive column (502).
5. A biquad active bandpass filter according to claim 1, wherein: connect fastener (6) including rotating control ring (601) of connection on connecting shell (501) through the screw thread, control ring (601) rotate towards one side of installing zone (2) and are connected with go-between (602) of cover on connecting shell (501), one side of keeping away from control ring (601) on go-between (602) has a plurality of pothooks (603) about go-between (602) the central axis annular array be provided with on installing zone (2) and slide along first leading electrical pillar (4) axis direction, and with pothook (603) corresponding snap ring (604), pothook (603) and snap ring (604) block are progressively driven go-between (602) by control ring (601) and are kept away from installing zone (2) and produce the extrusion force, make connecting shell (501) fix in installing zone (2) through the extrusion force.
6. A biquad active bandpass filter according to claim 5, wherein: the hook (603) is of a T-shaped structure.
7. A biquad active bandpass filter according to claim 5, wherein: connect shell (501) and have a plurality of constant head tanks (8) and locating piece (9) towards the one end of installing zone (2) about second conductive post (502) central axis annular array, constant head tank (8) and locating piece (9) are alternate setting, and in installing zone (2) about first conductive post (4) central axis annular array have with a plurality of with locating piece (9) assorted fixed slot (10).
8. A biquad active bandpass filter according to claim 7, wherein: the auxiliary connection (7) comprises a piston bore (701) opening in the first conductive post (4), a control plate (702) protruding out of the side wall of the first conductive column (4) is connected in the piston hole (701) in a sliding way through a tension spring, the control panel (702) is connected with the snap ring (604) through a connecting rod (703), a piston block (704) arranged in the piston hole (701) is connected on the control plate (702) in a sliding way through a spring, a plurality of through holes (705) are arranged at one end of the first conductive column (4) far away from the connecting block, and a second contact pad (706) for closing the piston bore (701), said second contact pad (706) forming a reservoir for liquid metal between the piston block (704) and the second contact pad (706), the control plate (702) is driven by the snap ring (604) to push the piston block (704) to place the liquid metal between the first contact pad (504) and the second contact pad (706).
9. A biquad active bandpass filter according to claim 8, wherein: an annular mounting groove (707) surrounding the through holes (705) is formed in the second contact pressing piece (706), and a sealing ring (708) protruding out of the surface of the second contact pressing piece (706) is arranged in the annular mounting groove (707).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010775635.4A CN112073016B (en) | 2020-08-05 | 2020-08-05 | Biquadratic active band-pass filter |
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| CN202010775635.4A CN112073016B (en) | 2020-08-05 | 2020-08-05 | Biquadratic active band-pass filter |
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| CN112073016B true CN112073016B (en) | 2021-06-11 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1407664A (en) * | 2001-08-21 | 2003-04-02 | 艾默生网络能源有限公司 | Hot plug on/off connector |
| CN101553952A (en) * | 2006-11-30 | 2009-10-07 | 凯瑟雷恩工厂两合公司 | Circuit for the separation or combination of high frequency power |
| WO2010132101A2 (en) * | 2009-05-11 | 2010-11-18 | Shoap Steven D | Method and system for fluid transmission along significant distances |
| CN203574083U (en) * | 2013-07-15 | 2014-04-30 | 深圳市鑫达通信材料有限公司 | 4G cavity three-way power divider |
| CN208062232U (en) * | 2018-04-25 | 2018-11-06 | 南京华脉科技股份有限公司 | A kind of multichannel chamber power divider |
| CN109659649A (en) * | 2018-12-26 | 2019-04-19 | 南京大劲精密机械有限公司 | A kind of multiband bandpass filter |
| CN208939119U (en) * | 2018-12-17 | 2019-06-04 | 光古(成都)微波科技有限公司 | A kind of waveguide assemblies attachment device |
| CN209133653U (en) * | 2018-11-21 | 2019-07-19 | 合肥威科电子技术有限公司 | 4.3-10 connector for high band |
| CN209487882U (en) * | 2019-03-12 | 2019-10-11 | 广东通宇通讯股份有限公司 | A test connector for PAD port test of PCB board |
| CN210006996U (en) * | 2019-07-26 | 2020-01-31 | 江苏腾煜电子科技有限公司 | three-way adapter for communication cable |
| CN110880633A (en) * | 2019-10-12 | 2020-03-13 | 深圳市诺信博通讯有限公司 | Power divider and electronic equipment with same |
| CN210671072U (en) * | 2019-08-06 | 2020-06-02 | 江苏天晟电磁兼容技术有限公司 | Filter shell convenient for sufficient heat dissipation |
| CN111430850A (en) * | 2020-03-31 | 2020-07-17 | 北京无线电计量测试研究所 | Coaxial microstrip-to-coaxial connector applicable to cavity filter and assembling method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8228136B2 (en) * | 2009-03-05 | 2012-07-24 | Powerwave Technologies, Inc. | Micro P-coupler |
-
2020
- 2020-08-05 CN CN202010775635.4A patent/CN112073016B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1407664A (en) * | 2001-08-21 | 2003-04-02 | 艾默生网络能源有限公司 | Hot plug on/off connector |
| CN101553952A (en) * | 2006-11-30 | 2009-10-07 | 凯瑟雷恩工厂两合公司 | Circuit for the separation or combination of high frequency power |
| WO2010132101A2 (en) * | 2009-05-11 | 2010-11-18 | Shoap Steven D | Method and system for fluid transmission along significant distances |
| CN203574083U (en) * | 2013-07-15 | 2014-04-30 | 深圳市鑫达通信材料有限公司 | 4G cavity three-way power divider |
| CN208062232U (en) * | 2018-04-25 | 2018-11-06 | 南京华脉科技股份有限公司 | A kind of multichannel chamber power divider |
| CN209133653U (en) * | 2018-11-21 | 2019-07-19 | 合肥威科电子技术有限公司 | 4.3-10 connector for high band |
| CN208939119U (en) * | 2018-12-17 | 2019-06-04 | 光古(成都)微波科技有限公司 | A kind of waveguide assemblies attachment device |
| CN109659649A (en) * | 2018-12-26 | 2019-04-19 | 南京大劲精密机械有限公司 | A kind of multiband bandpass filter |
| CN209487882U (en) * | 2019-03-12 | 2019-10-11 | 广东通宇通讯股份有限公司 | A test connector for PAD port test of PCB board |
| CN210006996U (en) * | 2019-07-26 | 2020-01-31 | 江苏腾煜电子科技有限公司 | three-way adapter for communication cable |
| CN210671072U (en) * | 2019-08-06 | 2020-06-02 | 江苏天晟电磁兼容技术有限公司 | Filter shell convenient for sufficient heat dissipation |
| CN110880633A (en) * | 2019-10-12 | 2020-03-13 | 深圳市诺信博通讯有限公司 | Power divider and electronic equipment with same |
| CN111430850A (en) * | 2020-03-31 | 2020-07-17 | 北京无线电计量测试研究所 | Coaxial microstrip-to-coaxial connector applicable to cavity filter and assembling method |
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