CN202841149U - Ultra-wide-band miniature multi-channel calibrating network - Google Patents
Ultra-wide-band miniature multi-channel calibrating network Download PDFInfo
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- CN202841149U CN202841149U CN2012205523492U CN201220552349U CN202841149U CN 202841149 U CN202841149 U CN 202841149U CN 2012205523492 U CN2012205523492 U CN 2012205523492U CN 201220552349 U CN201220552349 U CN 201220552349U CN 202841149 U CN202841149 U CN 202841149U
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Abstract
The utility model discloses an ultra-wide-band miniature multi-channel calibrating network which comprises a cavity. A plurality of ultra-wide-band coupler units and a mulit-channel ultra-wide-band equal-dividing power divider unit are arranged in the cavity, positioned on two sides of the cavity and divided by a metal partition, and an isolating port of each coupler unit is internally provided with a matching load and is connected with a branching port of the power divider unit through a 50-ohm impedance guide pin in a via hole on the metal partition. By the ultra-wide-band miniature multi-channel calibrating network, operating frequency range is widened from smaller than one octave to ten octaves directly, real-time monitoring and calibrating of high-power switch matrixes can be realized, and the ultra-wide-band miniature multi-channel calibrating network has the advantages of compact structure and more channels.
Description
Technical field
The utility model belongs to communication apparatus and radio-frequency technique field, is specifically related to a kind of calibration network of ultra broadband miniaturized multichannel.
Background technology
Along with the development of civilian mobile communication technology, the mobile communication network of various standards, different frequency of utilization scopes constantly drops into commercial the application.Bring the user simultaneously easily, bringing very large difficulty also for production, daily monitoring, maintenance and the calibration of mobile communication network equipment.
Existing and calibration network Patents mainly concentrates on the smart antenna field.Utility model patent [1] has been described a kind of calibration network of smart antenna by driving the coupling circuit of coupling window formula on the metallic plate, can guarantee that calibration port to the amplitude of antenna port and the consistency of phase place, satisfies the requirement of system.The calibration network device of the smart antenna of utility model patent [2], comprise calibration circuit board, this calibration circuit board is provided with the power divider that has at least two minutes road ports, with several directional couplers, each directional coupler is used for realizing signal coupling between a subarray radiating element of minute road port of power divider and smart antenna.The intelligent antenna calibration network that utility model patent [3] provides by directional coupler with every branch road in the constant power distributor respectively with corresponding feeding network in certain bar branch road be coupled, the inconsistency of feeding network itself is also calibrated, thereby improved the precision of calibration.The calibration network of patent [4] adopts the micro-strip coplanar waveguide structure, loads cross-couplings line, cancellation metal shielding box at the coupling line two ends of coupler.The described broadband calibration network of patent [5] comprises a two-sided printed circuit board (PCB), and cover described printed circuit board (PCB) wherein the one side on metal ground plane; Another side at described printed circuit board (PCB) is printed with one or more groups alignment unit.
The overwhelming majority of existing calibration network is operated in TD-SCDMA and LTE(Long Term Evolution thereof, Long Term Evolution) frequency range, its frequency band is narrower.The coupler unit that adopts is also mostly to be some arrowband couplers, such as branch line coupler and so on.For the calibration network of smart antenna, its power capacity is less, can't carry out real-time monitoring and calibration to the situation of transmission channel in real time.Long cable has also been adopted in the complex structure, particularly coupler unit of existing calibration network and the connection between the power splitter unit, has both increased cost, has increased again the volume of calibration network.Existing calibration network can only be accomplished at most 8 passages in addition.
[1] calibration network of smart antenna, application number/patent No.: 200610034285.6, utility model designer: Hou Xiaoqiang;
[2] calibration network device of smart antenna, application number/patent No.: 200810026531.2, utility model designer: Bu Binlong, Liu Peitao, Lai Zhanjun, Guo Jianjiang;
[3] a kind of intelligent antenna calibration network and calibration steps thereof, application number/patent No.: 200810068090.2, utility model designer: Hou Xiaoqiang, Han Xiangzi;
[4] TD-SCDMA and TD-LTE intelligent antenna multi-channel broadband calibration network, application number/patent No.: 201010602922.1, utility model designer: Fan Hongliang, Wang Xiaobin, Zhou Hongjuan, Chen Jinhu;
[5] a kind of broadband calibration network, application number/patent No.: 200920131117.8, utility model designer: Bu Antao, Liu Qianchang, Zhou Jiejun.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, a kind of calibration network of ultra broadband miniaturized multichannel is provided, and it has covered most civilian communication frequency bands, compact conformation, volume is little, is fit to very much be installed on the standard rack.
Technical scheme: the calibration network of a kind of ultra broadband miniaturized multichannel described in the utility model, comprise cavity, be provided with minute power splitter unit such as some ultra broadband coupler units, a multichannel ultra broadband in this cavity, coupler unit and power splitter unit lay respectively at the both sides of cavity, separated by metal partion (metp), the built-in matched load of the isolated port of coupler unit, the coupling port of coupler unit links to each other with the shunt port match of power splitter unit by 50 Ω impedance guide pins in the via hole on the metal partion (metp).
Further, described ultra broadband coupler unit comprises the little band plate of coupler, is provided with the transition line coupling line on the little band plate of described coupler, realizes that it is high-power, the characteristics of ultra broadband.
Further, described power splitter unit has adopted respectively the quarter-wave step impedance conversion of 3 grades, 7 grades and 10 grades successively in Wilkinson bisection circuit, avoided must adopting in the traditional circuit drawback of 10 grades of quarter-wave step impedance conversions.
Further, described 3 grades with 7 grades of quarter-wave step impedance conversions and 7 grades and 10 grades of quarter-wave step impedance conversions between all adopt the gradual change impedance line to be connected, realized that better the coupling between every grade of circuit connects, the structure of power splitter unit is compacter.
Further, be provided with medium between described guide pin and the via hole.
Further, described matched load is the resistance of 50 Ω.
Further, the little band plate upper surface of described coupler is disposed with liner plate and metal cover board, and lower surface is provided with lower liner plate, has the hole that is connected with coupling port on the gradual change coupling line for guide pin on the described lower liner plate.
Further, have successively the through hole of being convenient to weld guide pin and coupling port on the correspondence position of described upper liner plate and metal cover board.
The principle of above-mentioned calibration network is that a plurality of high-power communication signals are inputted from the input port of ultra broadband coupler unit respectively, and most energy are from its output port output and enter the high power switch matrix.And small signal energy is from the output of the isolated port of coupler unit, and by shorter guide pin respectively from the synthetic output of the input port (CAL port) of power splitter unit.
In the calibration network normal work period, the situation that the input port of power splitter unit (CAL port) can the Real-Time Monitoring input signal.
When the high power switch matrix regularly need to be calibrated, calibrating signal can enter from the input port of power splitter unit, through the output port output of coupler unit.Finally the high power switch matrix is calibrated.
The utility model compared with prior art, its beneficial effect is: the calibration network of ultra broadband miniaturized multichannel described in the utility model at first is the increase of working frequency range scope, from octave of less than directly to ten octaves; Secondly, can monitor and calibrate powerful switch matrix in real time; And have compact conformation, the more advantage of number of active lanes.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is general assembly schematic diagram of the present utility model.
Fig. 3 is described coupler unit schematic diagram.
Fig. 4 is the little band plate schematic diagram of described coupler.
Fig. 5 is the schematic diagram that described stepped impedance changes.
Fig. 6 is the connection diagram of described coupler unit and power splitter unit.
Embodiment
The below is elaborated to technical solutions of the utility model, but protection range of the present utility model is not limited to described embodiment.
Shown in Fig. 2 and 6, a kind of calibration network of ultra broadband miniaturized multichannel, comprise cavity 1, two-port is respectively arranged with upper cover plate 3 and lower cover 2 about it, the two ends, the left and right sides of two sides, front and back are respectively arranged with N Connector 6, the middle position of leading flank is provided with SMA type connector 7, be provided with 8 ultra broadband coupler units 5 in this cavity 1, minute power splitter unit 4 such as a multichannel ultra broadband, coupler unit 5 and power splitter unit 4 lay respectively at the both sides of cavity 1, by metal partion (metp) 18 separately, the resistance 10 of built-in 50 Ω of the isolated port of coupler unit 5, the coupling port of coupler unit 5 links to each other with the shunt port match of power splitter unit 4 by 50 Ω impedance guide pins 14 in the via hole on the metal partion (metp) 18, is provided with medium 15 between described guide pin 14 and the via hole.
Shown in Fig. 3 and 4, described ultra broadband coupler unit 5 comprises the little band plate 11 of coupler, is provided with gradual change coupling line 17 on the little band plate 11 of described coupler; Little band plate 11 upper surfaces of described coupler are disposed with liner plate 9 and metal cover board 8, and lower surface is provided with lower liner plate 13, have the hole that is connected with coupling port on the transition line coupling line 17 for guide pin 14 on the described lower liner plate 13; Have successively the through hole of being convenient to weld guide pin and coupling port on the correspondence position of described upper liner plate and metal cover board.
As shown in Figure 5, described power splitter unit is printed circuit board (PCB), it has adopted respectively the quarter-wave step impedance conversion of 3 grades, 7 grades and 10 grades successively in Wilkinson bisection circuit, 3 Wilkinson bisection circuit make this calibration network reach 8 passages, described 3 grades with 7 grades of quarter-wave step impedance conversions and 7 grades and 10 grades of quarter-wave step impedance conversions between all adopt the gradual change impedance line to be connected.
Above-mentioned calibration network operating frequency range is from 400MHz until 4GHz has covered most civilian communication frequency bands.
As mentioned above, although represented and explained the utility model with reference to specific preferred embodiment, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (8)
1. the calibration network of a ultra broadband miniaturized multichannel, comprise cavity, it is characterized in that, be provided with minute power splitter unit such as some ultra broadband coupler units, a multichannel ultra broadband in this cavity, coupler unit and power splitter unit lay respectively at the both sides of cavity, separated by metal partion (metp), the built-in matched load of the isolated port of coupler unit, the coupling port of coupler unit links to each other with the shunt port match of power splitter unit by 50 Ω impedance guide pins in the via hole on the metal partion (metp).
2. the calibration network of ultra broadband miniaturized multichannel according to claim 1 is characterized in that, described ultra broadband coupler unit comprises the little band plate of coupler, is provided with the transition line coupling line on the little band plate of described coupler.
3. the calibration network of ultra broadband miniaturized multichannel according to claim 1 is characterized in that, described power splitter unit has adopted respectively the quarter-wave step impedance conversion of 3 grades, 7 grades and 10 grades successively in Wilkinson bisection circuit.
4. the calibration network of ultra broadband miniaturized multichannel according to claim 3 is characterized in that, described 3 grades with 7 grades of quarter-wave step impedance conversions and 7 grades and 10 grades of quarter-wave step impedance conversions between all adopt the gradual change impedance line to be connected.
5. the calibration network of ultra broadband miniaturized multichannel according to claim 1 is characterized in that, is provided with medium between described guide pin and the via hole.
6. the calibration network of ultra broadband miniaturized multichannel according to claim 1 is characterized in that, described matched load is the resistance of 50 Ω.
7. the calibration network of ultra broadband miniaturized multichannel according to claim 2, it is characterized in that, the little band plate upper surface of described coupler is disposed with liner plate and metal cover board, lower surface is provided with lower liner plate, has the hole that is connected with coupling port on the gradual change coupling line for guide pin on the described lower liner plate.
8. the calibration network of ultra broadband miniaturized multichannel according to claim 7 is characterized in that, has successively the through hole of being convenient to weld guide pin and coupling port on the correspondence position of described upper liner plate and metal cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205523492U CN202841149U (en) | 2012-10-26 | 2012-10-26 | Ultra-wide-band miniature multi-channel calibrating network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205523492U CN202841149U (en) | 2012-10-26 | 2012-10-26 | Ultra-wide-band miniature multi-channel calibrating network |
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| Publication Number | Publication Date |
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| CN202841149U true CN202841149U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012205523492U Expired - Lifetime CN202841149U (en) | 2012-10-26 | 2012-10-26 | Ultra-wide-band miniature multi-channel calibrating network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904654A (en) * | 2012-10-26 | 2013-01-30 | 南京捷希科技有限公司 | Ultra wide band small multi-channel calibrating network |
| CN103956547A (en) * | 2014-04-24 | 2014-07-30 | 江苏捷士通射频系统有限公司 | Integrated combiner |
| CN111751795A (en) * | 2020-06-12 | 2020-10-09 | 中国船舶重工集团公司第七二四研究所 | Dielectric fin line microstrip antenna monitoring device |
-
2012
- 2012-10-26 CN CN2012205523492U patent/CN202841149U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904654A (en) * | 2012-10-26 | 2013-01-30 | 南京捷希科技有限公司 | Ultra wide band small multi-channel calibrating network |
| CN103956547A (en) * | 2014-04-24 | 2014-07-30 | 江苏捷士通射频系统有限公司 | Integrated combiner |
| CN111751795A (en) * | 2020-06-12 | 2020-10-09 | 中国船舶重工集团公司第七二四研究所 | Dielectric fin line microstrip antenna monitoring device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |