CN209249656U - Micro-strip combiner with power dividing function - Google Patents
Micro-strip combiner with power dividing function Download PDFInfo
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- CN209249656U CN209249656U CN201822054468.5U CN201822054468U CN209249656U CN 209249656 U CN209249656 U CN 209249656U CN 201822054468 U CN201822054468 U CN 201822054468U CN 209249656 U CN209249656 U CN 209249656U
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Abstract
The utility model discloses a kind of micro-strip combiner with power dividing function, including medium substrate, it is characterized in that, it is connected again with microstrip power divider after having a high-pass filter, a low-pass filter and a microstrip power divider, high-pass filter and low-pass filter to be connected with micro-strip formal distribution on the medium substrate；Medium substrate is provided with the first signal port, second signal port, the first power distribution port and the second power distribution port, first signal port is set to the end of high-pass filter, second signal port is set to the end of low-pass filter, and the first power distribution port and the second power distribution port are divided into the both ends of microstrip power divider.In the utility model working frequency 1710MHZ -3600MHZ, return loss in -15dB hereinafter, Out-of-band rejection in -30db hereinafter, and device architecture it is simple, small volume is low in cost, easy for installation, is suitable for producing in enormous quantities.
Description
Technical field
The utility model relates to antenna and radio-frequency devices technical fields, are specifically related to a kind of with the micro- of power dividing function
Band combiner.
Background technique
Traditional combiner generallys use coaxial cavity structure, and its structure is complicated, and volume is big, and weight is big, and installation space is big
And it is not easy of integration.With the rapid development of 4G, 5G communication technology, civilian middle channel capacity constantly expands, communication equipment constantly becomes
In broadband.These new trends, so that modern wireless communication systems are to the broadband of antenna, miniaturization and the high property of low cost
The demand of energy is increasingly strong.In order to cooperate the market demand, the support device of all antennas requires miniaturization, low cost, Gao Xing
Can, traditional coaxial combiner has all been unable to satisfy requirement.
Summary of the invention
The purpose of this utility model be exactly in order to which the one kind for solving the deficiency of the prior art and providing is not only simple in structure, and
And the micro-strip combiner with power dividing function.
The utility model be attained in that using following technical solution it is a kind of with the micro- of power dividing function
Band combiner, including medium substrate, which is characterized in that have a high-pass filtering on the medium substrate with micro-strip formal distribution
Device, a low-pass filter and a microstrip power divider, high-pass filter and low-pass filter be connected after again with microstrip power divider
It is connected；Medium substrate is provided with the first signal port, second signal port, the first power distribution port and the second power distribution end
Mouthful, the first signal port is set to the end of high-pass filter, and second signal port is set to the end of low-pass filter, the first power
Distribution port and the second power distribution port are divided into the both ends of microstrip power divider.
As a further illustration of the above scheme, first signal port and second signal port at least access 3G, 4G,
One kind of 5G signal frequency range.
Further, high-pass filter includes a short-circuit minor matters and an open circuit minor matters, for generating band in low frequency
Outer zero point improves Out-of-band rejection.
Further, low-pass filter includes there are two minor matters of opening a way, for generating in high frequency with outer zero point, outside elevator belt
Inhibit.
Further, microstrip power divider use two section quarter-waves or the wave microstrip line of more piece N/mono-, N 8,
16 or 32, play the role of power distribution.
Further, high-pass filter and low-pass filter are directly linked together；High-pass filter and low-pass filter
After linking together, linked together by one section of microstrip line with power splitter.
Further, medium substrate can be fixed by four mounting hole installations.
The utility model is using the above-mentioned attainable beneficial effect of technical solution:
The utility model generates with outer zero point using open circuit and short-circuit minor matters is increased, promotes Out-of-band rejection；In addition using more
Short wavelength's technology is saved, reduces micro-strip line length, to realize broadband and miniaturization；The device working frequency
In 1710MHZ -3600MHZ, return loss in -15dB hereinafter, Out-of-band rejection in -30db hereinafter, and device architecture it is simple, body
Product is smaller, low in cost, easy for installation.
Detailed description of the invention
Fig. 1 is the planar structure schematic diagram of the utility model；
Description of symbols: 1, medium substrate 2, the first signal port 3, second signal port 4, the first power distribution port
5, the second power distribution port 6, low-pass filter 7, high-pass filter 8, one-to-two power divider 9, micro-strip connecting line 10, peace
Fill hole 11, short circuit grounding hole.
Specific embodiment
The technical program is explained in detail below in conjunction with specific embodiment.
As shown in Figure 1, the utility model is as shown in Figure 1, the utility model is a kind of micro-strip with power dividing function
Combiner can be applied to antenna for base station, it includes medium substrate 1, the first signal port 2, second signal port 3, the first function
Rate distributes port 4, the second power distribution port 5, low-pass filter 6, high-pass filter 7, one-to-two power divider 8, micro-strip
Connecting line 9, mounting hole 10, short circuit grounding hole 11.Medium substrate can be fixed by four mounting hole installations.First signal port
Set on the end of high-pass filter, second signal port is set to the end of low-pass filter, the first power distribution port and second
Power distribution port is divided into the both ends of microstrip power divider.3G, 4G, 5G are at least accessed in first signal port and second signal port
One kind of signal frequency range.In the present embodiment, high-pass filter and low-pass filter are directly linked together；High-pass filter and low
After bandpass filter links together, linked together by one section of micro-strip connecting line with power splitter.
In the present embodiment, high-pass filter 7 is generated in low frequency with outer zero using a short-circuit minor matters and an open circuit minor matters
Point promotes Out-of-band rejection.
Further, low-pass filter 6 is generated with outer zero point in high frequency using two sections open circuit minor matters, is promoted Out-of-band rejection.
The utility model compared with prior art, by the way that the technologies such as short-circuit minor matters of opening a way are used alternatingly, is not increasing product
Under conditions of size, the indexs such as Out-of-band rejection are effectively improved；Meanwhile it is theoretical with more piece short wavelength, effective control device
Lateral dimension, performance are more superior.
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (7)
1. a kind of micro-strip combiner with power dividing function, including medium substrate, which is characterized in that on the medium substrate with
Micro-strip formal distribution has a high-pass filter, a low-pass filter and a microstrip power divider, high-pass filter and low pass
Filter is connected with microstrip power divider again after being connected；Medium substrate is provided with the first signal port, second signal port, the first function
Rate distributes port and the second power distribution port, and the first signal port is set to the end of high-pass filter, and second signal port is set
In the end of low-pass filter, the first power distribution port and the second power distribution port are divided into the both ends of microstrip power divider.
2. the micro-strip combiner according to claim 1 with power dividing function, which is characterized in that first signal end
One kind of 3G, 4G, 5G signal frequency range is at least accessed in mouth and second signal port.
3. the micro-strip combiner according to claim 1 with power dividing function, which is characterized in that high-pass filter includes
There are a short-circuit minor matters and an open circuit minor matters, for generating in low frequency with outer zero point.
4. the micro-strip combiner according to claim 1 with power dividing function, which is characterized in that low-pass filter includes
There are two minor matters of opening a way, for generating in high frequency with outer zero point.
5. the micro-strip combiner according to claim 1 with power dividing function, which is characterized in that microstrip power divider uses
Two section quarter-waves or the wave microstrip line of more piece N/mono-, N 8,16 or 32.
6. the micro-strip combiner according to claim 1 with power dividing function, which is characterized in that high-pass filter and low
Bandpass filter is directly linked together；After high-pass filter and low-pass filter link together, pass through one section of microstrip line and function
Device is divided to link together.
7. the micro-strip combiner according to claim 1 with power dividing function, which is characterized in that medium substrate can lead to
Four mounting hole installations are crossed to fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822054468.5U CN209249656U (en) | 2018-12-08 | 2018-12-08 | Micro-strip combiner with power dividing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822054468.5U CN209249656U (en) | 2018-12-08 | 2018-12-08 | Micro-strip combiner with power dividing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209249656U true CN209249656U (en) | 2019-08-13 |
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ID=67532007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822054468.5U Active CN209249656U (en) | 2018-12-08 | 2018-12-08 | Micro-strip combiner with power dividing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209249656U (en) |
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2018
- 2018-12-08 CN CN201822054468.5U patent/CN209249656U/en active Active
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