CN203589177U - Multiport micro-strip phase shifter - Google Patents
Multiport micro-strip phase shifter Download PDFInfo
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- CN203589177U CN203589177U CN201320721332.XU CN201320721332U CN203589177U CN 203589177 U CN203589177 U CN 203589177U CN 201320721332 U CN201320721332 U CN 201320721332U CN 203589177 U CN203589177 U CN 203589177U
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- 238000009413 insulation Methods 0.000 claims description 5
- 230000010363 phase shift Effects 0.000 abstract description 5
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model relates to a multiport micro-strip phase shifter which easily realizes power distribution of each output port, and satisfies requirements for relatively large phase shift quantity, continuously adjustable phase, easy matching of standing waves and broadband. The technical scheme that the multiport micro-strip phase shifter adopts comprises a hollow cavity which are combined by semicircles and rectangular grooves, a plane end of the hollow cavity is provided with an input end and distribution ends, the distribution ends are symmetrically arranged at two sides of the input end, each two symmetrical distribution ends are connected through a micro-strip transmission line, the positions of the centers of circles of the semicircles are provided with rotating shaft fixing devices, sliding arms are arranged on the rotating shaft fixing devices and on upper surfaces of the micro-strip transmission lines, and sliding arm travel scales are arranged on the circumferences of the semicircles.
Description
One, technical field:
The utility model relates to a kind of multiport micro belt shifting phase.
Two, background technology:
Phase shifter is the critical component of array antenna, by adjusting the amount of phase shift of phase shifter, changes the beam scanning angle of array antenna, thereby changes the coverage of antenna beam.
At present, passive phase shifter mainly contains two kinds of implementations: the one, by changing the dielectric constant of transmission medium, change the wavelength of electromagnetic wave in medium; The 2nd, increase or reduce transmission path, change electromagnetic stroke.
Three, utility model content:
The utility model is in order to solve the weak point in above-mentioned background technology, a kind of multiport micro belt shifting phase is provided, its easily realize each output port power division, met larger amount of phase shift and phase place continuously adjustable, standing wave mate, meet well broadband requirement.
For achieving the above object, the technical solution adopted in the utility model is: a kind of multiport micro belt shifting phase, comprise the hollow cavity being combined by semi arch and rectangular channel, it is characterized in that: the planar ends of hollow cavity is provided with input and distribution end, distribution end is symmetricly set in the both sides of input, every two symmetrical distribution end connect by microstrip transmission line, the home position of semi arch arranges rotating shaft fixer, on it, be provided with travelling arm, travelling arm is arranged at the upper surface of microstrip transmission line, is provided with travelling arm stroke mark on the circumference of semi arch.
Below described travelling arm, be provided with insulation cushion.
Described distribution end is at least provided with 2.
Described microstrip transmission line is arc, and the center of circle of arc is the same center of circle, and radius becomes multiple relation.
Described microstrip transmission line and the coupling of the output of the power division in travelling arm band line.
Compared with prior art, advantage and the effect that the utlity model has are as follows: the utility model is simple in structure, and area is little, easy to assembly, and the multiport phase shifter that can reduce costs.
Four, accompanying drawing explanation:
Fig. 1 phase shifter shape assumption diagram;
Fig. 2 phase shift cut-away view;
Fig. 3 travelling arm shape assumption diagram;
Fig. 4 microstrip line distribution map;
Fig. 5 driver composition.
Five, embodiment:
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Referring to Fig. 1-Fig. 5: a kind of multiport micro belt shifting phase, comprise the hollow cavity being combined by semi arch and rectangular channel, the planar ends of hollow cavity is provided with input 1 and distribution end, distribution end is symmetricly set in the both sides of input 1, every two symmetrical distribution end connect by microstrip transmission line, described microstrip transmission line is arc, the center of circle of arc is the same center of circle, radius becomes multiple relation, described distribution end is at least provided with 2, the home position of semi arch arranges rotating shaft fixer 10, on it, be provided with travelling arm 11, travelling arm 11 is arranged at the upper surface of microstrip transmission line, below travelling arm 11, be provided with insulation cushion 20.On the circumference of semi arch, be provided with travelling arm stroke mark 12, the power division output band line coupling in described microstrip transmission line and travelling arm 11.
The utility model, by selecting the microstripline plate of suitable dielectric constant, meets size, amount of phase shift and the bandwidth requirement of phase shifter; Utilize the Air Coupling transmission path structure of upper and lower two micro-band plates, guarantee amplitude, phase place, the standing wave coupling of phase shifter; Have technique simple, power division realizes feature easily, changes the conductor width of travelling arm, just can realize the power division of each port; By the rotation of travelling arm, change the phase mass of phase shifter; This phase shifter is controlled the rotation of travelling arm by walking motor.
Embodiment (one minute eight port phase shifter):
Structure referring to Fig. 1 and Fig. 2 phase device realizes: port one is input port, and port 2-9 is for distributing port, and 10 is rotating shaft fixer, 11 is travelling arm, and 12 is travelling arm stroke mark, 13 cavitys that are phase shifter, 19 is wiring board (being microstrip transmission line arrangement of conductors structure), and 20 is insulation cushion.First wiring board is fixed in cavity, travelling arm is arranged on to the top of wiring board, with insulation cushion, separate, guarantee the gap between travelling arm and wiring board and fix with rotating shaft fixer, finally cavity cover plate is fixed on cavity.By regulating the anglec of rotation of travelling arm to change the phase place of eight ports.
Referring to Fig. 3 and Fig. 4 width phase of the present utility model and standing wave coupling, realize: in Fig. 4, distribute port 2 and distribute port 3, distribute port 4 and distribute port 5, distribute port 6 and distribute port 7, distributing port 8 and distributing port 9 is 50 ohm microstrip of 4 arc shapes, article 4, microstrip line has the same center of circle, and 4 kinds of radiuses become multiple relation, for meeting the needs that each output port phase difference is 0 degree, travelling arm need be slid into stroke mark table is that 0 place and each output port connect not isometric cable, compensated microstrip line distributes port 2 and distributes port 3, distribute port 4 and distribute port 5, distribute port 6 and distribute port 7, the phase difference that distributes port 8 and distribute port 9 differences to cause.The radius of supposing 4 microstrip lines is respectively R
2-3=d (2-3 sections of microstrip line radiuses are d, other the like), R
4-5=3d, R
6-7=5d, R
8-9=7d.When now if port one-2 phase place is α, the phase place of other seven ports is respectively: 1-4=3 α, 1-6=5 α, 1-8=7 α, 1-3=-α, 1-5=-3 α, 1-7=-5 α, 1-9=-7 α.
Fig. 3 is the structure chart of travelling arm, has comprised that power division output band line 14, power division output band line 15, power division output band line 16, power division output band line 17 and the merit proportion by subtraction of one minute eight Distributed Power Architecture adjusted structure merit proportion by subtraction debugging band line 18.Within one minute, eight Distributed Power Architecture power division output band lines 14, power division output band line 15, power division output band line 16, power division output band line 17 distribute port 2 with microstrip line and distribute port 3, distribute port 4 and distribute port 5, distribute port 6 and distribute port 7, distribute port 8 and distribute port 9 concentrics, and distribution radius is distributed port 2 with microstrip line respectively and distributed port 3, distributes port 4 and distribute port 5, distributes port 6 and distribute port 7, distributes port 8 and distribute the radius of port 9 identical.The amplitude of each output port is equated the size of adjusting structure by design merit proportion by subtraction and standing wave mates.
Merit proportion by subtraction debugging with line 18 its be distributed in power division output with line 14, power division output with line 15, power division output with line 16, power division output with the series connection of line 17 middle part with line, the amplitude requirement and the standing wave that by adjusting the size of its structure, meet each output port mate.
Fig. 5 is drive mechanism figure, and by the rotating speed of driver control motor, the work by motor drives the horizontal direction of transmission mechanism 21 to move, and controls the stroke of travelling arm.As shown in Figure 5, transmission mechanism is controlled four phase shifters simultaneously, and obviously this rotating mechanism can be controlled a plurality of phase shifter work simultaneously, guarantees phase shifting accuracy, is applicable to array antenna multi-beam and points to a requirement to property.
Claims (5)
1. a multiport micro belt shifting phase, comprise the hollow cavity being combined by semi arch and rectangular channel, it is characterized in that: the planar ends of hollow cavity is provided with input (1) and distribution end, distribution end is symmetricly set in the both sides of input (1), every two symmetrical distribution end connect by microstrip transmission line, the home position of semi arch arranges rotating shaft fixer (10), on it, be provided with travelling arm (11), travelling arm (11) is arranged at the upper surface of microstrip transmission line, is provided with travelling arm stroke mark (12) on the circumference of semi arch.
2. a kind of multiport micro belt shifting phase according to claim 1, is characterized in that: below described travelling arm (11), be provided with insulation cushion (20).
3. a kind of multiport micro belt shifting phase according to claim 1 and 2, is characterized in that: described distribution end is at least provided with 2.
4. a kind of multiport micro belt shifting phase according to claim 3, is characterized in that: described microstrip transmission line is arc, and the center of circle of arc is the same center of circle, and radius becomes multiple relation.
5. a kind of multiport micro belt shifting phase according to claim 4, is characterized in that: the power division output band line coupling in described microstrip transmission line and travelling arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721332.XU CN203589177U (en) | 2013-11-13 | 2013-11-13 | Multiport micro-strip phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721332.XU CN203589177U (en) | 2013-11-13 | 2013-11-13 | Multiport micro-strip phase shifter |
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| Publication Number | Publication Date |
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| CN203589177U true CN203589177U (en) | 2014-05-07 |
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| CN201320721332.XU Expired - Lifetime CN203589177U (en) | 2013-11-13 | 2013-11-13 | Multiport micro-strip phase shifter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771628A (en) * | 2016-12-13 | 2017-05-31 | 环旭电子股份有限公司 | Load testing device and load test approach |
| CN107112632A (en) * | 2015-01-09 | 2017-08-29 | 伽马纽股份公司 | Multiport phase shifter |
-
2013
- 2013-11-13 CN CN201320721332.XU patent/CN203589177U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107112632A (en) * | 2015-01-09 | 2017-08-29 | 伽马纽股份公司 | Multiport phase shifter |
| CN106771628A (en) * | 2016-12-13 | 2017-05-31 | 环旭电子股份有限公司 | Load testing device and load test approach |
| CN106771628B (en) * | 2016-12-13 | 2019-11-15 | 环旭电子股份有限公司 | Load testing device and load test approach |
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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: 20140507 |