CN206225507U - A kind of work(point filtering unit - Google Patents
A kind of work(point filtering unit Download PDFInfo
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- CN206225507U CN206225507U CN201621297811.3U CN201621297811U CN206225507U CN 206225507 U CN206225507 U CN 206225507U CN 201621297811 U CN201621297811 U CN 201621297811U CN 206225507 U CN206225507 U CN 206225507U
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- delay line
- phase
- work
- broadband
- power splitter
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Abstract
The utility model discloses a kind of work(point filtering unit, including the power splitter of the broadband two (10) for cascading successively, delay line phase (20) and duplexer filter (30), one of delay line phase input connection of two output ends of the wherein described power splitter of broadband two (10) delay line phase (20) each different from two respectively, microwave signal is divided into two-way identical signal after being input into the power splitter of broadband two (10), two-way identical signal after two different delay line phases (20) by being changed into the different signal of two-way phase, and each delay line phase (20) output end is connected with the wave filter in a duplexer filter (30) respectively, the different signal of two-way phase is used to be exported after being input into the filter filtering in each self-corresponding duplexer filter (30) respectively.Work(of the present utility model point filtering unit is designed using the power splitter of broadband two with the structure of delay line phase and duplexer filter group, and Insertion Loss is small compared with existing product, can be with transmitted in both directions.
Description
Technical field
The utility model belongs to work(point filtering field, and in particular to a kind of work(point filtering unit, is particularly suited for various small
Type jamming equipment.
Background technology
At this stage, work(point filtering unit all adds the pattern of wave filter group using power splitter mostly, will work(point and filtering work(
Two-part structure realization can be divided into.For four work(filter-divider components of passage, then need for power splitter to be designed as one
Divide two to divide four structure again, so cause the Insertion Loss of each passage of power splitter in theory very big, 6dB can be reached.In addition, in work(
After point device after cascading filter, the Insertion Loss of whole work(point filtering unit will be bigger so that the overall precision of work(point filtering unit
Cannot meet actual demand with energy loss.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model proposes a kind of work(point filtering unit, it leads to
The combination design of the power splitter of broadband two and delay line phase is crossed, its Insertion Loss very little, and the work(point filtering unit can be caused
Size is small, low cost, can transmitted in both directions.
To achieve these goals, the technical scheme of use is as follows for the utility model：
A kind of work(point filtering unit, including the power splitter of broadband two, delay line phase and the duplexer filter for cascading successively,
One of phase of two output ends of the wherein described power splitter of broadband two delay line phase each different from two respectively
Delay line input is connected, and microwave signal is divided into two-way identical signal after being input into the power splitter of broadband two, and two-way is identical
Signal by being changed into the different signal of two-way phase, and each phase delay line output terminal after two different delay line phases
It is connected with the wave filter in a duplexer filter respectively, the different signal of two-way phase is used to be input into each self-corresponding pair respectively
Exported after filter filtering in work wave filter.
As of the present utility model further preferred, the opposite in phase of two neighboring delay line phase.
As of the present utility model further preferred, two octaves of frequency coverage of the power splitter of broadband two.
As it is of the present utility model further preferably, each described duplexer filter includes two wave filters.
In general, by the contemplated above technical scheme of the utility model compared with prior art, have with following
Beneficial effect：
The utility model has that Insertion Loss is low, size is small, low cost, Out-of-band rejection degree are high, can transmitted in both directions the features such as, each
The Insertion Loss of passage is less than 5dB, and the outer 200MHz Out-of-band rejections degree of each passage band is more than 45dBc, can be with transmitted in both directions microwave signal.
Brief description of the drawings
Fig. 1 is the structural representation of the work(point filtering unit of the utility model embodiment.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model, is not used to limit the utility model.
As shown in figure 1, work(of the present utility model point filtering unit includes the power splitter 10 of broadband two, delay line phase 20 and double
Work wave filter 30.
Wherein, two output ends of the power splitter 10 of broadband two delay line phase 20 each different from two respectively is wherein
One input of delay line phase 20 connection, be by 10 points of two power splitter of width after the microwave signal input power splitter 10 of broadband two
Two-way identical signal.In the present embodiment, two octaves of frequency coverage of the power splitter 10 of broadband two.
Delay line phase 20 includes two different phase delays, and it connects with two output ends of the power splitter 10 of broadband two respectively
Connect, i.e., one output end connects a delay line phase 20, and another output end connects another delay line phase 20, two-way phase
Same signal is by being changed into the different signal of two-way phase after two different delay line phases 20.
In the present embodiment, delay line phase 20 is designed using the principle of two neighboring delay line phase opposite in phase,
Standing wave poor problem in PORT1 ports caused by being influenced each other between avoiding adjacent two-way filter.
In the present embodiment, duplexer filter 30 is preferably two groups, or three groups or more.As shown in figure 1, this implementation
Two duplexer filters 30 are preferably in example, each duplexer filter 30 preferably includes two wave filters 40.Each phase delay
Line output terminal is connected with a duplexer filter 30 respectively, specially with each wave filter 40 in corresponding duplexer filter 30
Connection, so, the different signal of two-way phase can be input into corresponding duplexer 30 respectively, be carried out by wave filter therein 40
Exported after filtering, i.e., output signal is changed into four ends.
The above-mentioned work(of the present embodiment point filtering unit, it passes through the power splitter of broadband two and the combination of delay line phase sets
Meter, can cause its Insertion Loss very little, and the work(point filtering unit size is small, low cost, can transmitted in both directions
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
It is used to limit the utility model, all any modifications made within spirit of the present utility model and principle, equivalent and changes
Enter, should be included within protection domain of the present utility model.
Claims (4)
1. a kind of work(point filtering unit, including the power splitter of broadband two (10), delay line phase (20) and the duplex for cascading successively
Wave filter (30), wherein two output ends in the power splitter of the broadband two (10) delay line phase each different from two respectively
(20) one of delay line phase input connection, microwave signal is divided into two after being input into the power splitter of broadband two (10)
Road identical signal, two-way identical signal after two different delay line phases (20) by being changed into the different letter of two-way phase
Number, and each delay line phase (20) output end is connected with the wave filter (40) in a duplexer filter (30) respectively, two-way
The different signal of phase is exported after being used for wave filter (40) filtering being input into respectively in each self-corresponding duplexer filter (30).
2. a kind of work(according to claim 1 divides filtering unit, wherein, the phase phase of two neighboring delay line phase (20)
Instead.
3. a kind of work(according to claim 1 and 2 divides filtering unit, wherein, the frequency coverage in the power splitter of broadband two (10)
Two octaves.
4. a kind of work(according to claim 1 and 2 divides filtering unit, wherein, bag in each described duplexer filter (30)
Include two wave filters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297811.3U CN206225507U (en) | 2016-11-30 | 2016-11-30 | A kind of work(point filtering unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297811.3U CN206225507U (en) | 2016-11-30 | 2016-11-30 | A kind of work(point filtering unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225507U true CN206225507U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621297811.3U Active CN206225507U (en) | 2016-11-30 | 2016-11-30 | A kind of work(point filtering unit |
Country Status (1)
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| CN (1) | CN206225507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497943A (en) * | 2021-12-16 | 2022-05-13 | 中国电子科技集团公司第二十九研究所 | Ultra-wideband reconfigurable routing network and frequency band allocation method |
-
2016
- 2016-11-30 CN CN201621297811.3U patent/CN206225507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497943A (en) * | 2021-12-16 | 2022-05-13 | 中国电子科技集团公司第二十九研究所 | Ultra-wideband reconfigurable routing network and frequency band allocation method |
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