CN107528107A - A kind of across several times sound interval transmitting-receiving multiplexers - Google Patents
A kind of across several times sound interval transmitting-receiving multiplexers Download PDFInfo
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- CN107528107A CN107528107A CN201710039833.2A CN201710039833A CN107528107A CN 107528107 A CN107528107 A CN 107528107A CN 201710039833 A CN201710039833 A CN 201710039833A CN 107528107 A CN107528107 A CN 107528107A
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- cavity
- input
- spiral winding
- supporting media
- transmitting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
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Abstract
The invention belongs to technical field of communication equipment, specifically provide a kind of across several times sound interval transmitting-receiving multiplexers, it is characterized in that, include cavity, the cavity top and bottom are each configured with lid and lower cover, the side chamber of the upper lid and cavity is provided with tuning screw and coupling screws, input and output joint is provided with the outside of the cavity, 6 resonators arranged in parallel and equidistantly distributed are fixedly installed in the cavity, each resonator is fixed on the Supporting Media of cavity bottom including one and one is set around the spiral winding of Supporting Media outer surface, the upper end of the Supporting Media offers the hole being engaged with tuning screw, described spiral winding one end is configured to open a way, the other end is grounded；Spiral winding in the cavity in the resonator at both ends is configured with input and output tap, is connected by input and output tap with input and output joint.It is transmitting-receiving multiplexer across 5 octaves to invent it, and it has small size, and wide waveband is high-power, the branch and combining function of any passage transmitting-receiving.
Description
Technical field
The present invention relates to technical field of communication equipment, is a kind of across several times sound interval transmitting-receiving multiplexers, and in particular to one kind tool
There is the high-power transmitting-receiving multiplexer across several times sound interval.
Background technology
By the key point that transmitting-receiving multiplexer is faced is that all channels are likely to receive and launch at any time, therefore such as
What adjustment structure, the problems such as to resolve the realization of harmonics restraint and regulation, it is various that microwave engineering teachers devise species, work(
The different microwave transmitting and receiving multiplexer of energy, but the existing advantage of each structure has shortcoming again.Screw-filter has corpusculum with it
The characteristics of product, high q-factor, and the fields such as forces station communication, frequency modulation communication, television broadcasting are widely used in excellent performance.
But on the one hand existing screw-filter is mostly arrowband screw-filter, on the other hand because the harmonic wave of broadband helical wave filter is special
Different property and complexity so as to design the transmitting-receiving multiplexer of broader bandwidth becomes difficult, its general low-limit frequency and most high frequency
The ratio between rate is 1~2 or so, and prior art lacks using screw-filter to realize the skill of across several times frequency transmitting-receiving multiplexers
Art.
The content of the invention
In view of this, the main object of the present invention is to provide a kind of across several times sound interval transmitting-receiving multiplexers.
The technical solution adopted by the present invention is：
A kind of across several times sound intervals transmitting-receiving multiplexers, include cavity, the cavity top and bottom be each configured with lid and
Lower cover, the side chamber of the upper lid and cavity are provided with tuning screw and coupling screws, input and output are provided with the outside of the cavity
Joint, 6 resonators arranged in parallel and equidistantly distributed are fixedly installed in the cavity, each resonator, which includes one, to be fixed
The spiral winding of Supporting Media outer surface is set around in the Supporting Media of cavity bottom and one, the upper end of the Supporting Media opens up
There is the hole being engaged with tuning screw, described spiral winding one end is configured to open a way, other end ground connection；It is located at two in the cavity
Spiral winding in the resonator at end is configured with input and output tap, is connected by input and output tap with input and output joint
Connect.
Further, the Supporting Media side of being configured as or cylinder, the spiral winding are close to the support and are situated between
Table winding outside matter.
It is transmitting-receiving multiplexer across 5 octaves to the present invention, and it has small size, and wide waveband is high-power, and any passage is received
The branch and combining function of hair.Band internal loss is less than 1.5dB, and band standing internal wave ratio is less than 1.3, and interport isolation is more than 18dB, work(
Rate capacity is more than 100W.
Brief description of the drawings
Fig. 1 carries out analysis schematic diagram using Frequency Simulation Software logarithm frequency multiplication transmitting-receiving multiplexer；
Fig. 2 is to carry out analysis schematic diagram using circuit simulating software and logarithm frequency multiplication transmitting-receiving multiplexer；
Fig. 3 is overall performance design curve of the present invention；
Fig. 4 is VHF channel embodiments electric performance test curve map of the present invention；
Fig. 5 is UHF channel embodiments electric performance test curve map of the present invention；
Fig. 6 is electric performance test curve map of the embodiment of the present invention；
Accompanying drawing and mark are as follows：
1st, cavity；2nd, upper cover plate；3rd, lower cover；4th, tuning screw；5th, coupling screws；6th, input and output joint；7th, support
Medium；8th, spiral winding；9th, input and output tap；10th, output cable component；11st, input cable component.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment, herein illustrative examples of the invention
And explanation is used for explaining the present invention, but it is not as a limitation of the invention.
Reference picture 1, the invention discloses one kind across several times sound intervals transmitting-receiving multiplexers, include cavity 1, the upper end of cavity 1 and
Lower end is each configured with lid 2 and lower cover 3, and upper lid 2 and side chamber are provided with tuning screw 4 and coupling screws 5, and the outside of cavity 1 is set
Input and output joint 6 is equipped with, 6 resonators arranged in parallel and equidistantly distributed, each resonator bag are fixedly installed in cavity 1
The spiral winding 8 that a Supporting Media 7 and one for being fixed on the bottom of cavity 1 is set around Supporting Media outer surface is included, wherein support is situated between
Matter 7 is square column type, and the cross section of square column type is square, and the upper end of Supporting Media 7 offers what is be engaged with tuning screw 3
Hole, the one end of spiral winding 8 are configured to open a way, other end ground connection；Spiral winding 8 in cavity 1 in the resonator at both ends
Input and output tap 9 is configured with, connecing 6 with input and output by input and output tap 9 is connected, to realize that the input of signal is defeated
Go out.Fully harmonic wave is completed when the present invention passes through debugging using coupling screws 5, input and output joint 6, output cable component 10 to move
It is dynamic, avoid harmonic wave interference high channel.
Reference picture 2, the harmonic wave of several times frequency transmitting-receiving multiplexer is analyzed using circuit simulating software combination Fig. 1 high frequencies simulation model
Component, so as to optimize each parameter of path filter and output cable component 10, Fig. 3 is final overall performance optimization Simulation knot
Fruit, demonstrate the correctness of design method；Fig. 4 is VHF channel embodiments electric performance test curve map of the present invention, it can be deduced that
VHF channels realize the small Insertion Loss of the passage, little standing wave and high power requirements；Fig. 5 surveys for UHF channel embodiments electrical property of the present invention
Try curve map, it can be deduced that UHF channels realize the small Insertion Loss of the passage, standing wave and powerful requirement；Fig. 6 is implemented for the present invention
Example full frequency band electric performance test curve map, demonstrate the correctness of frequency multiplication transmitting-receiving multiplexer design method.
Provided by the invention to be somebody's turn to do across several times sound intervals transmitting-receiving multiplexers, its channel model joint number is generally 3-6, even more
It is high；The ratio between its low-limit frequency and highest frequency can reach 3~5, even more high；Described across several times sound intervals transmitting-receiving multiplexer its
Can across wave band number reach 2~5, even more high.It has small size, and wide waveband is high-power, the branch of any passage transmitting-receiving and conjunction
Road function.Band internal loss is less than 1.5dB, and band standing internal wave ratio is less than 1.3, and interport isolation is more than 18dB, and power capacity is more than
100W。
Implement as one kind, can be the non-adjoining type multiplexer for connecting or connecting of passage.
Implement as one kind, its way of realization can be star-like or branching type.
The technical scheme disclosed in the embodiment of the present invention is described in detail above, specific implementation used herein
Example is set forth to the principle and embodiment of the embodiment of the present invention, and the explanation of above example is only applicable to help and understood
The principle of the embodiment of the present invention；Meanwhile for those of ordinary skill in the art, according to the embodiment of the present invention, it is being embodied
There will be changes in mode and application, in summary, this specification content should not be construed as the limit to the present invention
System.
Claims (2)
1. a kind of across several times sound interval transmitting-receiving multiplexers, it is characterised in that include cavity, the cavity top and bottom are respectively configured
There are upper lid and lower cover, the side chamber of the upper lid and cavity is provided with tuning screw and coupling screws, is provided with the outside of the cavity
Input and output joint, 6 resonators arranged in parallel and equidistantly distributed, each resonator bag are fixedly installed in the cavity
Include a Supporting Media for being fixed on cavity bottom and one be set around the spiral winding of Supporting Media outer surface, the Supporting Media
Upper end offers the hole being engaged with tuning screw, and described spiral winding one end is configured to open a way, other end ground connection；The cavity
The interior spiral winding in the resonator at both ends is configured with input and output tap, is connect by input and output tap with input and output
Head is connected.
2. across several times sound interval transmitting-receiving multiplexers according to claim 1, it is characterised in that the Supporting Media is configured as
Side or cylinder, the spiral winding are close to table winding outside the Supporting Media.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039833.2A CN107528107A (en) | 2017-01-19 | 2017-01-19 | A kind of across several times sound interval transmitting-receiving multiplexers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039833.2A CN107528107A (en) | 2017-01-19 | 2017-01-19 | A kind of across several times sound interval transmitting-receiving multiplexers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107528107A true CN107528107A (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039833.2A Pending CN107528107A (en) | 2017-01-19 | 2017-01-19 | A kind of across several times sound interval transmitting-receiving multiplexers |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202282437U (en) * | 2011-11-10 | 2012-06-20 | 深圳市德沃器件技术有限公司 | Four-cavity spiral filter |
| CN203406400U (en) * | 2013-01-21 | 2014-01-22 | 合肥科尚电子科技有限公司 | Screw-filter |
| CN105428764A (en) * | 2015-12-10 | 2016-03-23 | 西安市索飞微波技术有限公司 | Broad-band large-power spiral filter |
| CN106025466A (en) * | 2016-06-08 | 2016-10-12 | 上海华为技术有限公司 | Filter and duplexer |
-
2017
- 2017-01-19 CN CN201710039833.2A patent/CN107528107A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202282437U (en) * | 2011-11-10 | 2012-06-20 | 深圳市德沃器件技术有限公司 | Four-cavity spiral filter |
| CN203406400U (en) * | 2013-01-21 | 2014-01-22 | 合肥科尚电子科技有限公司 | Screw-filter |
| CN105428764A (en) * | 2015-12-10 | 2016-03-23 | 西安市索飞微波技术有限公司 | Broad-band large-power spiral filter |
| CN106025466A (en) * | 2016-06-08 | 2016-10-12 | 上海华为技术有限公司 | Filter and duplexer |
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| PB01 | Publication | ||
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Application publication date: 20171229 |