CN207338591U - A kind of one wave filter of the C-band ultra wide band LC types six directions - Google Patents
A kind of one wave filter of the C-band ultra wide band LC types six directions Download PDFInfo
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- CN207338591U CN207338591U CN201721380567.1U CN201721380567U CN207338591U CN 207338591 U CN207338591 U CN 207338591U CN 201721380567 U CN201721380567 U CN 201721380567U CN 207338591 U CN207338591 U CN 207338591U
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- wave filter
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Abstract
It the utility model is related to a kind of one wave filter of the C-band ultra wide band LC types six directions, include the metal shell of rectangular or trapezoidal cavity-like, the arranged on left and right sides of metal shell has been arranged symmetrically 6 groups of SMA connectors, circuit ceramic wafer is provided between every group of SMA connector, air core inductor and ATC capacitances have been sequentially connected in series on circuit ceramic wafer, SMA connectors positioned at left side connect 6 road signal input parts, and the SMA connectors positioned at right side connect 6 road signal output parts.Integration, small, suppression index height are optimized to traditional LC bandpass filter, and is attached using joint style, is welded to by series inductance on the plate in component, adds the reliability of wave filter.
Description
Technical field
The utility model belongs to microwave radio field, and in particular to a kind of one wave filter of the C-band ultra wide band LC types six directions.
Background technology
Existing C-band LC wave filters product pass band width is 2700MHz~6200MHz and the suppression frequency point of closest approach is
Deviate at side frequency 350MHz >=50dBc ,≤1.8 are required for voltage standing wave ratio user, it is existing to take in order to meet the requirements
Measure is exactly to increase the series of wave filter as far as possible in limited size, enables to obtain the sideband attenuation of bigger, with
This meets the requirement of local suppression >=50dB at inclined sideband 200MHz.But the problem of so bringing, is exactly, the loss of sideband
Become larger, so wanting continuous adjusted design bandwidth in emulation, sideband loss is met customer requirement, the requirement for suppression,
We just need to do proper transformation in former topology, add a transmission zero in low side, are wanted with this come meet symmetrically to suppress
Ask；Voltage standing wave ratio is bigger than normal, and logical sample is that circuit is constantly optimized, to improve the matching between component, so as to reach
Required to user.In order to solve the problems, such as that these just need to optimize integration to C-band LC wave filters, to meet the requirements.
The content of the invention
The utility model aim is to provide a kind of one wave filter of the C-band ultra wide band LC types six directions, to traditional LC bandpass filtering
Device optimizes integration, small, suppression index height, and is attached using joint style, and group is welded to by series inductance
On plate in part, the reliability of wave filter is added.
In order to realize the above object the technical solution adopted in the utility model is：A kind of C-band ultra wide band LC types six directions one
Wave filter, includes the metal shell of rectangular or trapezoidal cavity-like, and the arranged on left and right sides of metal shell has been arranged symmetrically 6 groups of SMA and has connected
Device is connect, circuit ceramic wafer is provided between every group of SMA connector, air core inductor and ATC electricity have been sequentially connected in series on circuit ceramic wafer
Hold, the SMA connectors positioned at left side connect 6 road signal input parts, and the SMA connectors positioned at right side connect 6 road signal output parts.
Further, the trapezoidal cavity-like of the metal shell, the metal shell include component outer cover plate, outside component
Cover board built in being set in cover board, the circuit ceramic wafer, air core inductor and ATC capacitances are placed in below built-in cover board, described
It is connected between built-in cover board and component outer cover plate by cover screw, soldering and sealing between built-in cover board and component outer cover plate.
Further, the SMA connectors are screwed on component outer cover plate, on the inside of component outer cover plate with SMA connectors
Between be provided with soldering-tin layer.
Further, the outside of component outer cover plate is coated with graphite radiating glue.
The utility model has technical effect that：The LC bandpass filters of 6 different frequencies are placed in one by the utility model
In a module, using a metal shell, after required signal carries out 6 road signals inputs by 6 road signal input parts, due to
The air core inductor and ATC capacitances being sequentially connected in series are completed complete to intra-system communication signal processing, then by 6 road signal output parts in intracavitary
Into 6 tunnel signal outputs.The utility model is applied in C-band missile-borne product, and signal is filtered according to different applications, and
Decay to the signal of other frequency points or frequency range, be allowed to decay to the level for not influencing system worked well.The utility model
The joint style for 6 groups of SMA connectors being arranged symmetrically using arranged on left and right sides is attached, and is connect by series inductance and is welded to group
On plate in part, the reliability of wave filter is added.
Brief description of the drawings
Fig. 1 is the partial cutaway structure chart of the utility model；
Fig. 2 is the structural front view of the utility model.
Embodiment
Referring to the drawings, a kind of one wave filter of the C-band ultra wide band LC types six directions, includes the metal of rectangular or trapezoidal cavity-like
Housing 7, the arranged on left and right sides of metal shell 7 have been arranged symmetrically 6 groups of SMA connectors 1, electricity are provided between every group of SMA connector 1
Road ceramic wafer 4, has been sequentially connected in series air core inductor 3 and ATC capacitances 5 on circuit ceramic wafer 4, the SMA connectors 1 positioned at left side connect
6 road signal input parts 9, the SMA connectors 1 positioned at right side connect 6 road signal output parts 10.
The LC bandpass filters of 6 different frequencies are placed in a module by the utility model, using a metal shell
7, after required signal carries out 6 road signals inputs by 6 road signal input parts 9, due to 3 He of air core inductor being sequentially connected in series
ATC capacitances 5 are completed to complete 6 tunnel signal outputs to intra-system communication signal processing, then by 6 road signal output parts 10 in intracavitary.This
Utility model is applied in C-band missile-borne product, and signal is filtered according to different applications, and to other frequency points or frequency range
Signal decay, be allowed to decay to the level for not influencing system worked well.The utility model is symmetrical using arranged on left and right sides
The joint style of 6 groups of SMA connectors 1 of arrangement is attached, and is connect by series inductance on the plate being welded in component, is increased
The reliability of wave filter.
Further, the 7 trapezoidal cavity-like of metal shell, the metal shell 7 include component outer cover plate 8, group
Cover board 6 built in being set in part outer cover plate 8, the circuit ceramic wafer 4, air core inductor 3 and ATC capacitances 5 are placed under built-in cover board 6
Side, is connected by cover screw 2 between the built-in cover board 6 and component outer cover plate 8, built-in cover board 6 and component outer cover plate 8 it
Between soldering and sealing.
Further, the SMA connectors 1 are screwed on component outer cover plate 8, and the inner side of component outer cover plate 8 is connected with SMA
Soldering-tin layer is provided between device 1.
Further, the outside of component outer cover plate 8 is coated with graphite radiating glue.
The circuit ceramic wafer 4 of the utility model is fitted closely by scolding tin and metal shell 7, air core inductor 3 and ATC capacitances
5 are welded on circuit ceramic wafer 4 according to topology diagram, and SMA connectors 1 thread directly into the cavity of metal shell 7 and with welding
Soldering is dead, its scolding tin is to carry out welding in both junctions of the inside of metal shell 7 and input/output terminal, it is filtered in the utility model
Covered with built-in cover board 6 plus M1.6 cover screws 2 inside ripple device, then put down by built-in cover board 6 with component outer cover plate 8 using laser
Row soldering and sealing, forms a closed inner-cavity structure.It is further ensured that the reliability of wave filter.
Claims (4)
- A kind of 1. one wave filter of the C-band ultra wide band LC types six directions, it is characterised in that：Include the metal of rectangular or trapezoidal cavity-like Housing (7), the arranged on left and right sides of metal shell (7) have been arranged symmetrically 6 groups of SMA connectors (1), between every group of SMA connector (1) Circuit ceramic wafer (4) is provided with, air core inductor (3) and ATC capacitances (5) have been sequentially connected in series on circuit ceramic wafer (4), positioned at left side SMA connectors (1) connect 6 road signal input parts (9), positioned at right side SMA connectors (1) connect 6 road signal output parts (10)。
- A kind of 2. one wave filter of the C-band ultra wide band LC types six directions according to claim 1, it is characterised in that：The gold Belong to housing (7) trapezoidal cavity-like, the metal shell (7) includes component outer cover plate (8), in component outer cover plate (8) in setting Cover board (6) is put, the circuit ceramic wafer (4), air core inductor (3) and ATC capacitances (5) are placed in below built-in cover board (6), described Built-in cover board (6) and component outer cover plate (8) between be connected by cover screw (2), built-in cover board (6) and component outer cover plate (8) soldering and sealing between.
- A kind of 3. one wave filter of the C-band ultra wide band LC types six directions according to claim 1, it is characterised in that：The SMA Connector (1) is screwed on component outer cover plate (8), and scolding tin is provided between SMA connectors (1) on the inside of component outer cover plate (8) Layer.
- A kind of 4. one wave filter of the C-band ultra wide band LC types six directions according to claim 1, it is characterised in that：Component outer cover The outside of plate (8) is coated with graphite radiating glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380567.1U CN207338591U (en) | 2017-10-24 | 2017-10-24 | A kind of one wave filter of the C-band ultra wide band LC types six directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380567.1U CN207338591U (en) | 2017-10-24 | 2017-10-24 | A kind of one wave filter of the C-band ultra wide band LC types six directions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338591U true CN207338591U (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721380567.1U Active CN207338591U (en) | 2017-10-24 | 2017-10-24 | A kind of one wave filter of the C-band ultra wide band LC types six directions |
Country Status (1)
| Country | Link |
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| CN (1) | CN207338591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493535A (en) * | 2018-05-21 | 2018-09-04 | 合肥本源量子计算科技有限责任公司 | A kind of filter construction |
-
2017
- 2017-10-24 CN CN201721380567.1U patent/CN207338591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493535A (en) * | 2018-05-21 | 2018-09-04 | 合肥本源量子计算科技有限责任公司 | A kind of filter construction |
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