CN202454701U - Multi-frequency mixer - Google Patents
Multi-frequency mixer Download PDFInfo
- Publication number
- CN202454701U CN202454701U CN2012200472352U CN201220047235U CN202454701U CN 202454701 U CN202454701 U CN 202454701U CN 2012200472352 U CN2012200472352 U CN 2012200472352U CN 201220047235 U CN201220047235 U CN 201220047235U CN 202454701 U CN202454701 U CN 202454701U
- Authority
- CN
- China
- Prior art keywords
- multiplefrequency mixer
- output port
- frequency band
- input port
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model relates to a multi-frequency mixer comprising a first input port which is used for inputting a first frequency band signal, at least one second input port which is used for inputting a second frequency band signal, and an output port; the first input port is electrically connected with the output port through an LC filter circuit; and the second input port is electrically connected with the output port through a cavity filter. According to the multi-frequency mixer, the filtration to the first frequency band signal is realized through the LC filter circuit, a plurality of second input ports are integrated, so that the multi-frequency mixer has the characteristics of simple structure, low cost and easiness in processing and production, and the mixing of wider bandwidth can be realized.
Description
Technical field
The utility model relates to a kind of mixer field, especially a kind of multi-frequency network and broadband mixer.
Background technology
Electronic information, DITEC digital television communications and mobile communications network when needing various frequency ranges all to cover in the consolidated network, then need use multiplefrequency mixer according to different DTV, 2G, 3G, WLAN, the LTE networks etc. of being divided into of frequency range.Yet multiplefrequency mixer of the prior art has complex structure, the higher shortcoming of cost, and can only realize that narrow-band closes the road.
The utility model content
The purpose of the utility model provides a kind of simple in structure, multiplefrequency mixer that cost is low.
For solving the problems of the technologies described above, the utility model is taked following technical scheme: a kind of multiplefrequency mixer comprises: the first input end mouth that is used to import first frequency band signals; At least one is used to import second input port of second frequency band signals; Output port; The first input end mouth is electrically connected with output port through the LC filter circuit; Second input port is electrically connected with output port through cavity body filter.
Further, the frequency of first frequency band signals is 380-960MHz.
Further, the frequency of second frequency band signals is 1710-1880MHz or 1920-2170MHz or 2500-2700MHz.
Further, the number of second input port is 3.
Further, cavity body filter comprises inner chamber and a plurality of resonator that evenly is spaced apart and arranged in the inner chamber, and each resonator is provided with tuning screw rod.
Further, be provided with coupling window between two adjacent resonators of cavity body filter.
Further, be connected through one section 1/4 wavelength line between LC filter circuit and the output port.
Further, the two ends of cavity body filter are connected with output port with second input port respectively through silver-coated copper wire.
Further, the LC filter circuit comprises the ladder network that is made up of a plurality of series branches and parallel branch, and each series branch comprises inductor, and each parallel branch comprises capacitor.
Further, each parallel branch also comprises the inductor with capacitors in series.
The utility model adopts the LC filter circuit to realize the filtering to first frequency band signals, and has integrated a plurality of second input ports, have simple in structure, cost is low, be easy to the characteristics of processing, can realize broad bandwidth close the road.
Description of drawings
Fig. 1 is the sketch map of the utility model when split;
Fig. 2 is the front view of the utility model;
Fig. 3 is the right view of Fig. 2; And
Fig. 4 is the left view of Fig. 2.
Reference numeral among the figure: 10, first input end mouth; 20, second input port; 30, output port; 40, resonator; 50, silver-coated copper wire; 60,1/4 wavelength line; 70, circuit board; 80, inductor; 90, capacitor.
Embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to the utility model.
Shown in Fig. 1-4, the multiplefrequency mixer in the utility model comprises: the first input end mouth 10 that is used to import first frequency band signals; At least one is used to import second input port 20 of second frequency band signals; Output port 30; First input end mouth 10 is electrically connected with output port 30 through the LC filter circuit; Second input port 20 is electrically connected with output port 30 through cavity body filter.Preferably, the frequency of first frequency band signals is 380-960MHz.The frequency of second frequency band signals is 1710-1880MHz or 1920-2170MHz or 2500-2700MHz.Especially, the number of second input port 20 is 3, and further, the frequency range of each second input port 20 has nothing in common with each other (for example incoming frequency can be respectively 1710-1880MHz, 1920-2170MHz and 2500-2700MHz), thereby constitutes four frequency combiners.Preferably, shown in Fig. 1-4, the utility model comprises housing, and the first input end mouth 10 and second input port 20 are arranged on first end of housing, and output port is arranged on second end of housing.Be provided with circuit board 70 in the housing, the LC filter circuit is arranged on the circuit board 70.Preferably, cavity body filter is a circular cavity filter.
As shown in Figure 1, cavity body filter comprises inner chamber and a plurality of resonator 40 that evenly is spaced apart and arranged in the inner chamber, and each resonator 40 is provided with tuning screw rod, is used to debug the frequency of filter.Preferably, be provided with coupling window between two adjacent resonators 40 of cavity body filter.
Preferably, be connected through one section 1/4 wavelength line 60 between LC filter circuit and the output port 30, to be complementary with each second input port.
Preferably, the two ends of cavity body filter are connected with output port 30 with second input port 20 respectively through silver-coated copper wire 50.
As shown in Figure 1, the LC filter circuit comprises the ladder network that is made up of a plurality of series branches and parallel branch, and each series branch comprises inductor 80, and each parallel branch comprises capacitor 90.Further, each parallel branch also comprises the inductor of connecting with capacitor 90.The bandwidth that the filter circuit of realizing with this series connection and parallel way can be realized relative broad (for example; Can realize bandwidth 1GHz or more than; And can only realize narrower bandwidth with cavity body filter, adopt this filter circuit than adopting cavity body filter, bandwidth is improved in the 600MHz); Have characteristics such as volume is little, the insertion loss is little, it is big to pass through power, and cost is low.
The utility model adopts the LC filter circuit to realize the filtering to first frequency band signals, and has integrated a plurality of second input ports, have simple in structure, cost is low, be easy to the characteristics of processing, can realize broad bandwidth close the road.
Claims (10)
1. a multiplefrequency mixer is characterized in that, comprising:
Be used to import the first input end mouth (10) of first frequency band signals;
At least one is used to import second input port (20) of second frequency band signals;
Output port (30);
Said first input end mouth (10) is electrically connected with said output port (30) through the LC filter circuit;
Said second input port (20) is electrically connected with said output port (30) through cavity body filter.
2. multiplefrequency mixer according to claim 1 is characterized in that the frequency of said first frequency band signals is 380-960MHz.
3. multiplefrequency mixer according to claim 1 is characterized in that, the frequency of said second frequency band signals is 1710-1880MHz or 1920-2170MHz or 2500-2700MHz.
4. multiplefrequency mixer according to claim 3 is characterized in that, the number of said second input port (20) is 3.
5. multiplefrequency mixer according to claim 1 is characterized in that, said cavity body filter comprises inner chamber and a plurality of resonator (40) that evenly is spaced apart and arranged in the said inner chamber, and each said resonator (40) is provided with tuning screw rod.
6. multiplefrequency mixer according to claim 5 is characterized in that, is provided with coupling window between adjacent two said resonators (40) of said cavity body filter.
7. according to each described multiplefrequency mixer among the claim 1-6, it is characterized in that, be connected through one section 1/4 wavelength line (60) between said LC filter circuit and the said output port (30).
8. according to each described multiplefrequency mixer among the claim 1-6, it is characterized in that the two ends of said cavity body filter are connected with said output port (30) with said second input port (20) respectively through silver-coated copper wire (50).
9. according to each described multiplefrequency mixer among the claim 1-6; It is characterized in that; Said LC filter circuit comprises the ladder network that is made up of a plurality of series branches and parallel branch, and each said series branch comprises inductor (80), and each said parallel branch comprises capacitor (90).
10. multiplefrequency mixer according to claim 9 is characterized in that, each said parallel branch also comprises the inductor of connecting with said capacitor (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200472352U CN202454701U (en) | 2012-02-14 | 2012-02-14 | Multi-frequency mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200472352U CN202454701U (en) | 2012-02-14 | 2012-02-14 | Multi-frequency mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454701U true CN202454701U (en) | 2012-09-26 |
Family
ID=46870534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200472352U Expired - Lifetime CN202454701U (en) | 2012-02-14 | 2012-02-14 | Multi-frequency mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202454701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301413A (en) * | 2015-04-29 | 2019-02-01 | 上海华为技术有限公司 | A kind of input/output unit and multiplexer of multiplexer |
-
2012
- 2012-02-14 CN CN2012200472352U patent/CN202454701U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301413A (en) * | 2015-04-29 | 2019-02-01 | 上海华为技术有限公司 | A kind of input/output unit and multiplexer of multiplexer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102354778B (en) | Elliptic function low-path filtering path and communication cavity device adopting same | |
| CN203300776U (en) | Communication cavity device and low-pass filtering path | |
| CN101950827A (en) | Branch node loaded ultra wideband microwave filter | |
| CN104112889B (en) | Broadband belt resistance highly selective filter | |
| CN104466335A (en) | Electric adjusting power divider with filter function | |
| CN103794838B (en) | S-band high-performance micro band based on LTCC leads to balance filter | |
| CN101662056A (en) | Tri-frequency microwave bandpass filter | |
| CN103811832A (en) | Filter, receiver, transmitter and transceiver | |
| CN205621831U (en) | Adjustable band pass filter of dual -frenquency | |
| KR101207228B1 (en) | Unequal dual band power divider using lumped elements | |
| CN105186088A (en) | Electrically tunable filtering type power divider having harmonic suppression function | |
| CN204244192U (en) | LC filter circuit and high-frequency model | |
| CN107658535A (en) | A kind of mutli-system integration integration combining platform | |
| CN202454701U (en) | Multi-frequency mixer | |
| CN204205018U (en) | A kind of electric adjusting power distributor with filter function | |
| CN205142152U (en) | High -power band pass filter | |
| CN104201451A (en) | Novel high-frequency low-pass filter with strip line structure | |
| CN103532511A (en) | Combiner with divider function | |
| CN202712391U (en) | Microwave dual-mode double-bandpass filter with branch line loading structure | |
| CN101902209A (en) | LC elliptic function electrically-tunable filter | |
| CN203326071U (en) | Ultra-wideband dual-frequency combiner | |
| CN101986459B (en) | Combiner for ultra-wideband wireless communication | |
| CN202196845U (en) | Elliptic function type low pass filtering access and communication cavity body device using same | |
| CN203553310U (en) | A multi-channel shared-cavity filtering multiplexer | |
| CN203288723U (en) | Interdigital coupling diplexer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN NORDSON BO COMMUNICATION CO., LTD. Assignor: Tang Yumei Contract record no.: 2013440020136 Denomination of utility model: Multi-frequency combiner with gain compensating function Granted publication date: 20120926 License type: Exclusive License Record date: 20130513 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160122 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili Xinguang Road Industrial Village tenth building four floor Patentee after: SHENZHEN NORDSON BO COMMUNICATION CO., LTD. Address before: 518000 Guangdong province Shenzhen city Nanshan District South Road No. 4040 hero garden 5-511 Patentee before: Tang Yumei |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |