CN202997025U - Power dividing and phase shifting device based on strip line form - Google Patents
Power dividing and phase shifting device based on strip line form Download PDFInfo
- Publication number
- CN202997025U CN202997025U CN 201220616571 CN201220616571U CN202997025U CN 202997025 U CN202997025 U CN 202997025U CN 201220616571 CN201220616571 CN 201220616571 CN 201220616571 U CN201220616571 U CN 201220616571U CN 202997025 U CN202997025 U CN 202997025U
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- strip line
- sma
- ground plane
- medium substrate
- metal ground
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Abstract
The utility model relates to a power dividing and phase shifting device based on a strip line form, comprising a dielectric substrate, upper/lower surface metal ground layers attached to the dielectric substrate, circular metallization via holes connected with the upper/lower surface metal ground layers, a metal strip line in the middle of the dielectric substrate, an SMA coaxial input port, and SMA coaxial output ports; wherein the SMA coaxial input port is fixed to a back side of the lower surface metal ground layer of the dielectric substrate and is connected with an input end of the metal strip line, the SMA coaxial output ports are fixed to a back side of the upper surface metal ground layer of the dielectric substrate and are connected with output ends of the metal strip line. According to the power dividing and phase shifting device of the utility model, the dielectric substrate adopts a composite dielectric micro-strip plate with a thinner thickness and a higher dielectric constant, thereby effectively reducing the whole volume, and achieving the purposes of miniaturization and easy integration.
Description
Technical field
The utility model relates to a kind of merit of miniaturization and divides phase-shift network, is specifically related to a kind of merit based on the strip line form and divides phase shifter.
Background technology
The satellite navigation industry is the national strategy new high-tech industry, and its application prospect is boundless, is after cellular mobile communication and the Internet, and the information industry that global evolution is the fastest has become the new growth point of global IT economy.The satellite navigation industry of China is just entering the crucial moment of industrialization fast development, and expectation will form the set of the GPS (Global Position System) of GPS, GLONASS, GALILEO and Beidou satellite navigation system fusion in 5 years to 10 years.
Along with the development of each navigation system, multisystem and deposit, the multimodality fusion paces further accelerate, the epoch of single gps system becoming multisystem and deposit, compatible GPS (Global Position System) epoch.Therefore, exploitation is the antenna technology of compatible above-mentioned satellite navigation system terminal simultaneously, realizes miniaturization, the compatible reception of multimode, is the inexorable trend of satellite navigation industry development.
The microstrip antenna that is applied to the satellite navigation system terminal because of have volume little, can be conformal, flexible design, be easy to make, cost is low, be convenient to obtain the advantage such as circular polarization, becomes the primary selection of present navigation system application.And the microstrip antenna of two point feed is aspect Miniaturization Design, and the coupling between its feeding network and antenna element obviously strengthens, thereby has affected antenna design as a whole and debugging, is difficult to reach the antenna performance index request of regulation.
The utility model content
The purpose of this utility model is, overcome the problems referred to above of the prior art, and provide a kind of merit based on the strip line form to divide phase shifter, realize good amplitude, phase characteristic in working band, have in addition miniaturization, compact conformation, be convenient to processing and the characteristics such as integrated, can combine with the terminal microstrip antenna of GPS (Global Position System) (GNSS), the circular polarization that realizes antenna receives, and works in simultaneously a plurality of working frequency range of the GALILEO system in the Chinese Big Dipper two generations system, the gps system of the U.S., Muscovite GLONASS system and Europe.
The technical scheme that the utility model adopts is:
A kind of merit based on the strip line form is divided phase shifter, comprises medium substrate (1), is attached to the metal ground plane (2) of the upper and lower surface of medium substrate (1), the circular metal via hole (3) that connects upper and lower surface metal ground plane (2), metal band-shaped line (4), the coaxial input port of SMA (5) and the coaxial delivery outlet of SMA (6) in the middle of medium substrate (1).The back side of the lower surface metal ground plane (2) of medium substrate (1) is fixed in the coaxial input port of SMA (5), be connected with metal band-shaped line (4) input, the coaxial delivery outlet of SMA (6) is fixed in the back side of the upper surface metal ground plane (2) of medium substrate (1), is connected with metal band-shaped line (4) output.
Described metal band-shaped line (4) adopts annular coupled structure form, formed by 50 Ω branch's strip lines (7), low-resistance strip line (8), high resistant strip line (9) and Chip-R (10), increase rate equates, the two-way current signal of 90 ° of phase phasic differences, realizes merit minute phase shift function.
described merit based on the strip line form is divided phase shifter, it is characterized in that: the live width of described low-resistance strip line (8) is about 2 times of live width of high resistant strip line (9), its length is the quarter-wave of resonance frequency, low-resistance strip line (8) is linked to be loop configuration with high resistant strip line (9) 90 °, interval order, connect 50 Ω branch's strip lines (7) in its junction, the other end of 50 Ω branch's strip lines (7) connects the coaxial input port of SMA (5) and the coaxial delivery outlet of SMA (6), at metal band-shaped line (4) the soldering surface mounted resistance of isolated port branch line terminal (10).
The circular metal via hole (3) of described connection upper and lower surface metal ground plane (2) evenly is arranged on the surrounding of medium substrate (1) and upper and lower surface metal ground plane (2), the spacing of two adjacent circular via holes is 3 times of cylindrical via diameter, the inwall adhesion metal layer of circular via hole (3).
The utility model has the advantages that:
Medium substrate of the present utility model adopts the little band plate of complex media of thinner thickness, high dielectric constant, thereby has effectively reduced whole volume, reaches miniaturization, is easy to integrated purpose.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is that merit of the present utility model is divided phase shift strip lines configuration schematic diagram.
Embodiment
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Merit based on the strip line form is divided phase shifter, comprises medium substrate 1, is attached to the metal ground plane 2 of the upper and lower surface of medium substrate 1, the circular metal via hole 3 of connection upper and lower surface metal ground plane 2, the coaxial input port 5 of metal band-shaped line 4, SMA and the coaxial delivery outlet 6 of SMA in the middle of medium substrate 1.
Metal band-shaped line 4 adopts annular coupled structure forms, is comprised of 50 Ω branch strip lines 7, low-resistance strip line 8, high resistant strip line 9 and Chip-R 10.The live width of low-resistance strip line 8 is about 2 times of live width of high resistant strip line 9, its length is the quarter-wave of resonance frequency, 90 °, interval order is linked to be loop configuration, the other end that connects 50 Ω branch strip line 7,50 Ω branch strip lines 7 in its junction connects the coaxial input port 5 of SMA and the coaxial delivery outlet 6 of SMA.At the metal band-shaped line 4 soldering surface mounted resistance 10 of isolated port branch line terminal, increase rate equates, the two-way current signal of 90 ° of phase phasic differences, thereby has guaranteed constant amplitude, 90 ° of phase shift function in working frequency range.
The circular metal via hole 3 that connects upper and lower surface metal ground plane 2 evenly is arranged on the surrounding of medium substrate 1 and upper and lower surface metal ground plane 2, and the spacing of two adjacent circular via holes is 3 times of cylindrical via diameter, the inwall adhesion metal layer of circular via hole 3.
SMA is fixed in coaxial input port 5 back side of the lower surface metal ground plane 2 of medium substrate 1, is connected with metal band-shaped line 4 inputs.The coaxial delivery outlet 6 of SMA is fixed in the back side of the upper surface metal ground plane 2 of medium substrate 1, is connected with metal band-shaped line 4 outputs.
Claims (4)
1. the merit based on the strip line form is divided phase shifter, it is characterized in that: comprise medium substrate (1), be attached to the metal ground plane (2) of the upper and lower surface of medium substrate (1), several connect the circular metal via hole (3) of upper and lower surface metal ground plane (2), metal band-shaped line (4) in the middle of medium substrate (1), the coaxial input port of SMA (5) and the coaxial delivery outlet of SMA (6), the back side of the lower surface metal ground plane (2) of medium substrate (1) is fixed in the coaxial input port of SMA (5), be connected with the input of metal band-shaped line (4), the coaxial delivery outlet of SMA (6) is fixed in the back side of the upper surface metal ground plane (2) of medium substrate (1), be connected with the output of metal band-shaped line (4).
2. the merit based on the strip line form according to claim 1 is divided phase shifter, it is characterized in that: described metal band-shaped line (4) adopts annular coupled structure form, is comprised of 50 Ω branch's strip lines (7), low-resistance strip line (8), high resistant strip line (9) and Chip-R (10).
3. the merit based on the strip line form according to claim 1 and 2 is divided phase shifter, it is characterized in that: the live width of described low-resistance strip line (8) is about 2 times of live width of high resistant strip line (9), its length is the quarter-wave of resonance frequency, low-resistance strip line (8) is linked to be loop configuration with high resistant strip line (9) 90 °, interval order, connect 50 Ω branch's strip lines (7) in its junction, the other end of 50 Ω branch's strip lines (7) connects the coaxial input port of SMA (5) and the coaxial delivery outlet of SMA (6), at metal band-shaped line (4) the soldering surface mounted resistance of isolated port branch line terminal (10).
4. the merit based on the strip line form according to claim 1 is divided phase shifter, it is characterized in that: the circular metal via hole (3) of described connection upper and lower surface metal ground plane (2) evenly is arranged on the surrounding of medium substrate (1) and upper and lower surface metal ground plane (2), the spacing of two adjacent circular via holes is 3 times of cylindrical via diameter, the inwall adhesion metal layer of circular via hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616571 CN202997025U (en) | 2012-11-20 | 2012-11-20 | Power dividing and phase shifting device based on strip line form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616571 CN202997025U (en) | 2012-11-20 | 2012-11-20 | Power dividing and phase shifting device based on strip line form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997025U true CN202997025U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616571 Expired - Fee Related CN202997025U (en) | 2012-11-20 | 2012-11-20 | Power dividing and phase shifting device based on strip line form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183890A (en) * | 2014-08-04 | 2014-12-03 | 京信通信技术(广州)有限公司 | Phase shift unit |
-
2012
- 2012-11-20 CN CN 201220616571 patent/CN202997025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183890A (en) * | 2014-08-04 | 2014-12-03 | 京信通信技术(广州)有限公司 | Phase shift unit |
| CN104183890B (en) * | 2014-08-04 | 2017-05-10 | 京信通信技术(广州)有限公司 | Phase shift unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130612 Termination date: 20191120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |