CN203607517U - Integrated structure of waveguide filter and waveguide diplexer - Google Patents
Integrated structure of waveguide filter and waveguide diplexer Download PDFInfo
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- CN203607517U CN203607517U CN201320799608.6U CN201320799608U CN203607517U CN 203607517 U CN203607517 U CN 203607517U CN 201320799608 U CN201320799608 U CN 201320799608U CN 203607517 U CN203607517 U CN 203607517U
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- 238000001914 filtration Methods 0.000 claims abstract description 83
- 230000003321 amplification Effects 0.000 claims description 27
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 27
- 230000000694 effects Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
Designed in the utility model is an integrated structure of a waveguide filter and a waveguide diplexer. One end of an antenna end interface of the integrated structure is connected with one end of a first waveguide duplex filtering module via a first linear waveguide tube, and the other end of the antenna end interface is connected with one end of a second waveguide duplex filtering module via a second linear waveguide tube. One end of a first right-angled waveguide tube is connected with a waveguide-to-microstrip signal receiving interface, and the other end of the first right-angled waveguide tube is connected with the other end of the first waveguide duplex filtering module. One end of a second right-angled waveguide tube is connected with one end of a waveguide-to-microstrip signal transmitting interface, and the other end of the second right-angled waveguide tube is connected with the other end of the second waveguide duplex filtering module. A metal plate between the waveguide-to-microstrip signal receiving interface and the waveguide-to-microstrip signal transmitting interface is provided with a prepositioned waveguide filter and a local oscillator waveguide filter of a power amplifier. Integration level of an ODU system can be enhanced and filtering effect of the ODU system can be enhanced simultaneously.
Description
Technical field
The utility model relates to duplexer technical field, refers to particularly the integral structure of a kind of waveguide filter and waveguide duplexer.
Technical background
In current ODU system (Outdoor Unit), for spurious signals such as the harmonic waves of filtering ODU system, after local oscillator and after frequency mixer before power amplifier, often need to arrange local oscillator filter and power amplifier prefilter, the general microstrip filter that adopts in current ODU system, but in using, technical staff finds when microstrip filter is in order to reach better inhibition, and while increasing exponent number, tend to produce larger differential loss, reduced signal power.In addition, because microstrip filter can only be arranged on PCB(Printed Circuit Board, printed substrate) on plate, and duplexer need to be arranged on metallic plate, so just make microstrip filter can not with the integrated setting of duplexer, so just cause microstrip filter need to take separately the space of ODU internal system PCB, reduced the integrated level of ODU system, improved the manufacturing cost of ODU system.
Utility model content
The purpose of this utility model is exactly the integral structure that a kind of waveguide filter and waveguide duplexer will be provided, and this structure can improve the filter effect of ODU system in the integrated level that improves ODU system.
For realizing this object, the waveguide filter that the utility model is designed and the integral structure of waveguide duplexer, it is characterized in that: it comprises metallic plate and is arranged on the waveguide duplexer on metallic plate, wherein, waveguide duplexer comprises that waveguide turns micro-band signal receiving interface, first wave guide duplex filtration module, antenna end interface, the second waveguide duplex filtration module and waveguide turn micro-band signal outgoing interface, it is characterized in that: it also comprises the first rectangular wave conduit, the second rectangular wave conduit, the first straight wave conduit, the second straight wave conduit, the prewave waveguide filter of power amplifier and local oscillator waveguide filter, one end of described antenna end interface connects one end of first wave guide duplex filtration module by the first straight wave conduit, the other end of antenna end interface connects one end of the second waveguide duplex filtration module by the second straight wave conduit, one end of described the first rectangular wave conduit connects waveguide and turns micro-band signal receiving interface, the other end of the first rectangular wave conduit connects the other end of first wave guide duplex filtration module, one end connection waveguide of the second rectangular wave conduit turns one end of micro-band signal outgoing interface, the other end of the second rectangular wave conduit connects the other end of the second waveguide duplex filtration module, described waveguide turns micro-band signal receiving interface and waveguide turns prewave waveguide filter and local oscillator waveguide filter that power amplifier is set on the metallic plate between micro-band signal outgoing interface.
The prewave waveguide filter of described power amplifier comprises that power amplification pre-filtering first wave guide turns micro-band interface, power amplification pre-filtering the second waveguide turns micro-band interface, power amplification pre-filtering module, the 3rd straight wave conduit and the 4th straight wave conduit, described power amplification pre-filtering first wave guide turns micro-and passes through with interface one end that the 3rd straight wave conduit connects power amplification pre-filtering module, and power amplification pre-filtering the second waveguide turns micro-and passes through with interface the other end that the 4th straight wave conduit connects power amplification pre-filtering module.
Described local oscillator waveguide filter comprises that local oscillator filtering first wave guide turns micro-band interface, local oscillator filtering the second waveguide turns micro-band interface, local oscillator filtration module, the 5th straight wave conduit and the 6th straight wave conduit, wherein, described local oscillator filtering first wave guide turns micro-and passes through with interface one end that the 5th straight wave conduit connects local oscillator filtration module, and local oscillator filtering the second waveguide turns micro-and passes through with interface the other end that the 6th straight wave conduit connects local oscillator filtration module.
Described the 3rd straight wave conduit, the 4th straight wave conduit, the 5th straight wave conduit and the 6th straight wave conduit are all arranged in parallel with the first straight wave conduit.Or described the 3rd straight wave conduit, the 4th straight wave conduit, the 5th straight wave conduit and the 6th straight wave conduit are all arranged vertically with the first straight wave conduit.
Prewave waveguide filter and local oscillator waveguide filter due to power amplifier in the utility model all can be arranged on identical metallic plate medium with waveguide duplexer, so adopt said structure that the prewave waveguide filter of power amplifier, local oscillator waveguide filter and waveguide duplexer are integrated, improved the integrated level of ODU system.And the utility model also has advantages of that compact conformation, working (machining) efficiency are high, materials are economized and cost is low.In addition, the prewave waveguide filter of the power amplifier in the utility model and local oscillator waveguide filter are than traditional microstrip filter, in the use procedure of ODU system, have differential loss low, suppress high, feature that inband flatness is little, can improve the filter effect of ODU system.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
In figure, 1-metallic plate, 2-waveguide duplexer, 2.1-waveguide turns micro-band signal receiving interface, 2.2-first wave guide duplex filtration module, 2.3-antenna end interface, the 2.4-the second waveguide duplex filtration module, 2.5-waveguide turns micro-band signal outgoing interface, the 3-the first rectangular wave conduit, the 4-the second rectangular wave conduit, the 5-the first straight wave conduit, the 6-the second straight wave conduit, the prewave waveguide filter of 7-power amplifier, 7.1-power amplification pre-filtering first wave guide turns micro-band interface, 7.2-power amplification pre-filtering the second waveguide turns micro-band interface, 7.3-power amplification pre-filtering module, the 7.4-the three straight wave conduit, the 7.5-the four straight wave conduit, 8-local oscillator waveguide filter, 8.1-local oscillator filtering first wave guide turns micro-band interface, 8.2-local oscillator filtering the second waveguide turns micro-band interface, 8.3-local oscillator filtration module, the 8.4-the five straight wave conduit, the 8.5-the six straight wave conduit.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Embodiment 1: the integral structure of a kind of waveguide filter and waveguide duplexer, as shown in Figure 1, it comprises metallic plate 1 and is fitted in the waveguide duplexer 2 on metallic plate 1, wherein, waveguide duplexer 2 comprises that waveguide turns micro-band signal receiving interface 2.1, first wave guide duplex filtration module 2.2, antenna end interface 2.3, the second waveguide duplex filtration module 2.4 and waveguide turn micro-band signal outgoing interface 2.5, it also comprises the first rectangular wave conduit 3, the second rectangular wave conduit 4, the first straight wave conduit 5, the second straight wave conduit 6, the prewave waveguide filter 7 of power amplifier and local oscillator waveguide filter 8, one end of described antenna end interface 2.3 connects one end of first wave guide duplex filtration module 2.2 by the first straight wave conduit 5, the other end of antenna end interface 2.3 connects one end of the second waveguide duplex filtration module 2.4 by the second straight wave conduit 6, one end of described the first rectangular wave conduit 3 connects waveguide and turns micro-band signal receiving interface 2.1, the other end of the first rectangular wave conduit 3 connects the other end of first wave guide duplex filtration module 2.2, one end connection waveguide of the second rectangular wave conduit 4 turns one end of micro-band signal outgoing interface 2.5, the other end of the second rectangular wave conduit 4 connects the other end of the second waveguide duplex filtration module 2.4, described waveguide turns micro-band signal receiving interface 2.1 and waveguide turns the prewave waveguide filter 7 and the local oscillator waveguide filter 8 that on the metallic plate 1 between micro-band signal outgoing interface 2.5, are fitted and connected power amplifier.
In technique scheme, the prewave waveguide filter 7 of described power amplifier comprises that power amplification pre-filtering first wave guide turns micro-band interface 7.1, power amplification pre-filtering the second waveguide turns micro-band interface 7.2, power amplification pre-filtering module 7.3, the 3rd straight wave conduit 7.4 and the 4th straight wave conduit 7.5, described power amplification pre-filtering first wave guide turns micro-one end that connects power amplification pre-filtering module 7.3 with interface 7.1 by the 3rd straight wave conduit 7.4, power amplification pre-filtering the second waveguide turns micro-other end that connects power amplification pre-filtering module 7.3 with interface 7.2 by the 4th straight wave conduit 7.5.
In technique scheme, described local oscillator waveguide filter 8 comprises that local oscillator filtering first wave guide turns micro-band interface 8.1, local oscillator filtering the second waveguide turns micro-band interface 8.2, local oscillator filtration module 8.3, the 5th straight wave conduit 8.4 and the 6th straight wave conduit 8.5, wherein, described local oscillator filtering first wave guide turns micro-one end that connects local oscillator filtration module 8.3 with interface 8.1 by the 5th straight wave conduit 8.4, and local oscillator filtering the second waveguide turns micro-other end that connects local oscillator filtration module 8.3 with interface 8.2 by the 6th straight wave conduit 8.5.
In technique scheme, described the 3rd straight wave conduit 7.4, the 4th straight wave conduit 7.5, the 5th straight wave conduit 8.4 and the 6th straight wave conduit 8.5 are all arranged in parallel with the first straight wave conduit 5.
When the present embodiment uses: the prewave waveguide filter 7 of power amplifier is as before power amplifier, frequency mixer band pass filter below; Power amplification pre-filtering module 7.3 by power amplification pre-filtering first wave guide turn micro-with interface 7.1 and power amplification pre-filtering the second waveguide turn micro-with interface 7.2 respectively with the pcb board of ODU system on frequency mixer mixing output and the power input electrical connection of power amplifier.
Local oscillator waveguide filter 8 is as the band pass filter of local oscillator output, described local oscillator filtration module 8.3 by local oscillator filtering first wave guide turn micro-with interface 8.1 and local oscillator filtering the second waveguide turn micro-with interface 8.2 respectively with the pcb board of ODU system on power splitter or input and the electrical connection of local oscillator outlet end part of frequency mixer.
Waveguide in waveguide duplexer 2 turns the signal receive section electrical connection on the pcb board that micro-band signal receiving interface 2.1 is used for making waveguide duplexer 2 and ODU system, waveguide turns the signal outgoing interface part electrical connection on the pcb board that micro-band signal outgoing interface 2.5 is used for making waveguide duplexer 2 and ODU system, antenna end interface 2.3 is for being electrically connected with corresponding antenna port, and first wave guide duplex filtration module 2.2 and the second waveguide duplex filtration module 2.4 play bandpass filtering.
Embodiment 2: the structure of the present embodiment is substantially the same manner as Example 1, difference is, as shown in Figure 2, the 3rd straight wave conduit 7.4, the 4th straight wave conduit 7.5, the 5th straight wave conduit 8.4 and the 6th straight wave conduit 8.5 are all arranged vertically with the first straight wave conduit 5.
The content that this specification is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. the integral structure of a waveguide filter and waveguide duplexer, it is characterized in that: it comprises metallic plate (1) and is arranged on the waveguide duplexer (2) on metallic plate (1), wherein, waveguide duplexer (2) comprises that waveguide turns micro-band signal receiving interface (2.1), first wave guide duplex filtration module (2.2), antenna end interface (2.3), the second waveguide duplex filtration module (2.4) and waveguide turn micro-band signal outgoing interface (2.5), it is characterized in that: it also comprises the first rectangular wave conduit (3), the second rectangular wave conduit (4), the first straight wave conduit (5), the second straight wave conduit (6), the prewave waveguide filter (7) of power amplifier and local oscillator waveguide filter (8), one end of described antenna end interface (2.3) connects one end of first wave guide duplex filtration module (2.2) by the first straight wave conduit (5), the other end of antenna end interface (2.3) connects one end of the second waveguide duplex filtration module (2.4) by the second straight wave conduit (6), one end of described the first rectangular wave conduit (3) connects waveguide and turns micro-band signal receiving interface (2.1), the other end of the first rectangular wave conduit (3) connects the other end of first wave guide duplex filtration module (2.2), one end connection waveguide of the second rectangular wave conduit (4) turns one end of micro-band signal outgoing interface (2.5), the other end of the second rectangular wave conduit (4) connects the other end of the second waveguide duplex filtration module (2.4), described waveguide turns micro-band signal receiving interface (2.1) and waveguide turns prewave waveguide filter (7) and local oscillator waveguide filter (8) that power amplifier is set on the metallic plate (1) between micro-band signal outgoing interface (2.5).
2. the integral structure of waveguide filter according to claim 1 and waveguide duplexer, it is characterized in that: the prewave waveguide filter (7) of described power amplifier comprises that power amplification pre-filtering first wave guide turns micro-band interface (7.1), power amplification pre-filtering the second waveguide turns micro-band interface (7.2), power amplification pre-filtering module (7.3), the 3rd straight wave conduit (7.4) and the 4th straight wave conduit (7.5), described power amplification pre-filtering first wave guide turns micro-band interface (7.1) connects power amplification pre-filtering module (7.3) one end by the 3rd straight wave conduit (7.4), power amplification pre-filtering the second waveguide turns micro-band interface (7.2) connects power amplification pre-filtering module (7.3) other end by the 4th straight wave conduit (7.5).
3. the integral structure of waveguide filter according to claim 2 and waveguide duplexer, it is characterized in that: described local oscillator waveguide filter (8) comprises that local oscillator filtering first wave guide turns micro-band interface (8.1), local oscillator filtering the second waveguide turns micro-band interface (8.2), local oscillator filtration module (8.3), the 5th straight wave conduit (8.4) and the 6th straight wave conduit (8.5), wherein, described local oscillator filtering first wave guide turns micro-band interface (8.1) connects local oscillator filtration module (8.3) one end by the 5th straight wave conduit (8.4), local oscillator filtering the second waveguide turns micro-band interface (8.2) connects local oscillator filtration module (8.3) other end by the 6th straight wave conduit (8.5).
4. the integral structure of waveguide filter according to claim 3 and waveguide duplexer, is characterized in that: described the 3rd straight wave conduit (7.4), the 4th straight wave conduit (7.5), the 5th straight wave conduit (8.4) and the 6th straight wave conduit (8.5) are all arranged in parallel with the first straight wave conduit (5).
5. the integral structure of waveguide filter according to claim 3 and waveguide duplexer, is characterized in that: described the 3rd straight wave conduit (7.4), the 4th straight wave conduit (7.5), the 5th straight wave conduit (8.4) and the 6th straight wave conduit (8.5) are all arranged vertically with the first straight wave conduit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799608.6U CN203607517U (en) | 2013-12-05 | 2013-12-05 | Integrated structure of waveguide filter and waveguide diplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799608.6U CN203607517U (en) | 2013-12-05 | 2013-12-05 | Integrated structure of waveguide filter and waveguide diplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607517U true CN203607517U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320799608.6U Expired - Fee Related CN203607517U (en) | 2013-12-05 | 2013-12-05 | Integrated structure of waveguide filter and waveguide diplexer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607517U (en) |
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2013
- 2013-12-05 CN CN201320799608.6U patent/CN203607517U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |