CN104917465B - X-band frequency converter - Google Patents
X-band frequency converter Download PDFInfo
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- CN104917465B CN104917465B CN201510334991.1A CN201510334991A CN104917465B CN 104917465 B CN104917465 B CN 104917465B CN 201510334991 A CN201510334991 A CN 201510334991A CN 104917465 B CN104917465 B CN 104917465B
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Abstract
The present invention provides a kind of X-band frequency converters comprising：First frequency multiplier, first frequency mixer, first filter amplifier, first frequency divider, second frequency mixer, second filter amplifier, third frequency mixer, third filter amplifier, first power splitter, second power splitter and the second frequency divider, wherein, the input terminal receiving intermediate frequency signal of first frequency multiplier, the input terminal of first power splitter receives high-frequency local oscillation signal, the output end of first frequency multiplier is successively through the first frequency mixer, first filter amplifier, first frequency divider, second frequency mixer, second filter amplifier, after third frequency mixer, connect the input terminal of third filter amplifier；The output end of first power splitter is divided into two-way, is directly connected to the first frequency mixer all the way, and another way connects the second power splitter；The output end of second power splitter is divided into two-way, is directly connected to the second frequency mixer all the way, and another way connects third frequency mixer through the second frequency divider.The present invention can improve frequency conversion stability.
Description
Technical field
The present invention relates to converter technique fields, more particularly to a kind of X-band frequency converter.
Background technology
With the development of microwave electron technology, especially communication, the fast development of Radar Technology, the management to frequency spectrum resource
It is increasingly stringenter, converter technique is broken through in the daytime.So far, there are many kinds of the design schemes of frequency converter, but these schemes are usual
All be by intermediate-freuqncy signal directly with high-frequency local oscillation signal direct conversion, however, intermediate-freuqncy signal is directly mixed with high-frequency local oscillation signal
Can usually filter be made to cannot achieve, cause frequency conversion stability poor.
Invention content
The invention mainly solves the technical problem of providing a kind of X-band frequency converters, can improve frequency conversion stability.
In order to solve the above technical problems, one aspect of the present invention is：A kind of X-band frequency converter is provided, is wrapped
It includes：First frequency multiplier, the first frequency mixer, the first filter amplifier, the first frequency divider, the second frequency mixer, the second filter amplifier,
Third frequency mixer, third filter amplifier, the first power splitter, the second power splitter and the second frequency divider, wherein first frequency multiplication
The input terminal of the input terminal receiving intermediate frequency signal of device, first power splitter receives high-frequency local oscillation signal, first frequency multiplier
Output end successively through the first frequency mixer, the first filter amplifier, the first frequency divider, the second frequency mixer, the second filter amplifier,
After third frequency mixer, the input terminal of third filter amplifier is connected；The output end of first power splitter is divided into two-way, all the way directly
The first frequency mixer is connect in succession, and another way connects the second power splitter；The output end of second power splitter is divided into two-way, all the way directly
The second frequency mixer is connected, another way connects third frequency mixer through the second frequency divider.
The case where being different from the prior art, the beneficial effects of the invention are as follows：It is using frequency multiplier that intermediate-freuqncy signal frequency multiplication is supreme
It is directly mixed with high-frequency local oscillation signal after frequency, by dividing recovering signal when finally exporting, avoids intermediate-freuqncy signal and high frequency sheet
Shake signal direct conversion and so that filter is cannot achieve, so as to improve frequency conversion stability.
Description of the drawings
Fig. 1 is the principle schematic of X-band frequency converter of the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is the principle schematic of X-band frequency converter of the embodiment of the present invention referring to Fig. 1.The X-band frequency converter packet of the present embodiment
Include the first frequency multiplier, the first frequency mixer, the first filter amplifier, the first frequency divider, the second frequency mixer, the second filter amplifier,
Third frequency mixer, third filter amplifier, the first power splitter, the second power splitter and the second frequency divider.
Wherein, the input terminal of the input terminal receiving intermediate frequency signal of the first frequency multiplier, the first power splitter receives high-frequency local oscillation letter
Number.
The output end of first frequency multiplier is successively through the first frequency mixer, the first filter amplifier, the first frequency divider, the second mixing
After device, the second filter amplifier, third frequency mixer, the input terminal of third filter amplifier is connected.
The output end of first power splitter is divided into two-way, is directly connected to the first frequency mixer all the way, and another way connects the second work(point
Device；The output end of second power splitter is divided into two-way, is directly connected to the second frequency mixer all the way, and another way is through the second frequency divider connection the
Three-mixer.
As shown in Figure 1, it is assumed that intermediate-freuqncy signal F1, high-frequency local oscillation signal are F7, and intermediate-freuqncy signal F1 obtains letter after frequency multiplication
Number F2=NF1, then, first signal F2 is mixed with high-frequency local oscillation signal F7 in the first frequency mixer, using the first filter and amplification
Device filtering is except after spuious, theoretically obtaining signal F3=F7+NF1.Signal F3 obtains signal F4=after the first frequency divider frequency dividing
F7/N+F1.The signal F7 and signal F4 of second power splitter output are mixed in the second frequency mixer, are filtered through the second filter amplifier
After spuious, signal F5=F7+F7/N+F1 is obtained.Signal F7/N and signal F5 after second frequency divider frequency dividing are mixed in third
It is mixed in device, through the filtering of third filter amplifier except after spuious, signal F6=F7+F1 being obtained, to realize signal frequency conversion.
In the present embodiment, filter amplifier is equipped with after each frequency mixer, it is therefore an objective to filter out the friendship intermodulation component of mixing, improve clutter
Inhibit.
The present invention is mixed using the intermediate-freuqncy signal after frequency multiplication with high-frequency local oscillation signal, and intermediate-freuqncy signal and high frequency sheet are avoided
Shake signal direct conversion and so that filter is cannot achieve, so as to improve frequency conversion stability.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (1)
1. a kind of X-band frequency converter, which is characterized in that including：First frequency multiplier, the first frequency mixer, the first filter amplifier,
One frequency divider, the second frequency mixer, the second filter amplifier, third frequency mixer, third filter amplifier, the first power splitter, second
Power splitter and the second frequency divider, wherein the input terminal receiving intermediate frequency signal of first frequency multiplier, first power splitter it is defeated
Enter end and receive high-frequency local oscillation signal, the output end of first frequency multiplier is successively through the first frequency mixer, the first filter amplifier, the
After one frequency divider, the second frequency mixer, the second filter amplifier, third frequency mixer, the input terminal of third filter amplifier is connected；Institute
The output end for stating the first power splitter is divided into two-way, is directly connected to the first frequency mixer all the way, and another way connects the second power splitter；It is described
The output end of second power splitter is divided into two-way, is directly connected to the second frequency mixer all the way, and another way connects third through the second frequency divider
Frequency mixer；
Assuming that intermediate-freuqncy signal is F1, high-frequency local oscillation signal is F7, and intermediate-freuqncy signal F1 obtains signal F2=NF1 after frequency multiplication, then,
First signal F2 is mixed with high-frequency local oscillation signal F7 in the first frequency mixer, using the filtering of the first filter amplifier except after spuious,
Theoretically obtain signal F3=F7+NF1；Signal F3 obtains signal F4=F7/N+F1 after the first frequency divider frequency dividing；Second power splitter
The signal F7 and signal F4 of output are mixed in the second frequency mixer, through the filtering of the second filter amplifier except after spuious, obtaining signal
F5=F7+F7/N+F1；Signal F7/N and signal F5 after second frequency divider frequency dividing are mixed in third frequency mixer, are filtered through third
Amplifier filtering is except after spuious, obtaining signal F6=F7+F1, to realize signal frequency conversion；Filter is equipped with after each frequency mixer
Twt amplifier, it is therefore an objective to filter out the friendship intermodulation component of mixing, improve clutter recognition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334991.1A CN104917465B (en) | 2015-06-16 | 2015-06-16 | X-band frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334991.1A CN104917465B (en) | 2015-06-16 | 2015-06-16 | X-band frequency converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104917465A CN104917465A (en) | 2015-09-16 |
| CN104917465B true CN104917465B (en) | 2018-09-21 |
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ID=54086234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510334991.1A Active CN104917465B (en) | 2015-06-16 | 2015-06-16 | X-band frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104917465B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012049790A (en) * | 2010-08-26 | 2012-03-08 | Fujitsu General Ltd | Transmitter and receiver |
| CN202679314U (en) * | 2012-08-04 | 2013-01-16 | 成都联帮微波通信工程有限公司 | X wave band lower clutter broadband up-converter |
| CN204633715U (en) * | 2015-06-16 | 2015-09-09 | 成都宜川电子科技有限公司 | X-band frequency converter |
-
2015
- 2015-06-16 CN CN201510334991.1A patent/CN104917465B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012049790A (en) * | 2010-08-26 | 2012-03-08 | Fujitsu General Ltd | Transmitter and receiver |
| CN202679314U (en) * | 2012-08-04 | 2013-01-16 | 成都联帮微波通信工程有限公司 | X wave band lower clutter broadband up-converter |
| CN204633715U (en) * | 2015-06-16 | 2015-09-09 | 成都宜川电子科技有限公司 | X-band frequency converter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104917465A (en) | 2015-09-16 |
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Effective date of registration: 20180903 Address after: 610051 14 Chenghua District Road, Longtan Industrial Park, two section of Chenghua District East Three Ring Road, Chengdu, Sichuan Applicant after: Sichuan Siaipu Electronic Technology Co., Ltd. Address before: 610000 12 building, 2 Hua Han Road, Longtan Industrial Park, Chenghua District, Chengdu, Sichuan, China 89 Applicant before: CHENGDU E-CHUAN ELECTRONIC TECHNOLOGY CO., LTD. |