CN102185181B - Antenna phase shifter and antenna - Google Patents
Antenna phase shifter and antenna Download PDFInfo
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- CN102185181B CN102185181B CN201110059206A CN201110059206A CN102185181B CN 102185181 B CN102185181 B CN 102185181B CN 201110059206 A CN201110059206 A CN 201110059206A CN 201110059206 A CN201110059206 A CN 201110059206A CN 102185181 B CN102185181 B CN 102185181B
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Abstract
The invention relates to an antenna phase shifter and an antenna. The antenna phase shifter comprises a phase-shift circuit unit and an amplifying circuit unit, wherein the phase-shift circuit unit is a 90-degree network with a micro-strip phase-shift network. The antenna comprises an antenna radiator, a printed circuit board (PCB) top layer, a PCB first medium layer, a PCB first middle layer, a PCB second medium layer, a PCB second middle layer, a PCB third medium layer, a PCB bottom layer and an antenna phase shifter, wherein the phase-shift circuit unit is positioned on the PCB first middle layer, and the amplifying circuit unit is positioned on the PCB bottom layer. The antenna phase shifter and the antenna are simply realized and low in cost.
Description
Technical field
The present invention relates to the communications field, relate in particular to antenna phase shifting equipment and antenna.
Background technology
Along with the continuous development of satellite navigation and measuring technique, global position system has also obtained increasingly extensive application.At present; The existing a plurality of countries in the whole world have set up the global position system of oneself; Like the Beidou satellite navigation system of China, the global positioning system of the U.S. (Global Positioning System; GPS), Muscovite GPS (Global Navigation Satellite System, GLONASS) and Europe the Galileo NAVSTAR.Especially Beidou satellite navigation system, it is the GPS of Chinese independent development, autonomous operation, also is simultaneously the important space information infrastructure that country is building.Through continuous development and the construction in 19 years, Beidou satellite navigation system was applied at numerous areas such as mapping, fishery, communications and transportation, telecommunications, water conservancy, forest fire protection, the mitigation disaster relief and national security, has produced remarkable economic efficiency and social benefit.
Antenna is slowly ripe as the key equipment that satellite-signal receives, and along with the in-depth of the continuous maturation and the civil nature process of these satellite systems, high-performance, product has become the object that the consumer pursues cheaply.The principle schematic of existing antenna is as shown in Figure 1; Comprise antenna radiator 1, printed circuit board (Printed Circuit Board; PCB) top layer 2, PCB dielectric layer 3, PCB bottom 4 and be positioned at the antenna phase shifting equipment 5 on the PCB bottom 4, wherein antenna phase shifting equipment 5 comprises phase-shift circuit unit 11 and amplifier circuit unit 12, carries out phase shift through phase-shift circuit unit 11 behind the antenna receiving signal; Be transferred to amplifier circuit unit 12 at last; Phase-shift circuit unit 11 is generally 90 degree electric bridges, and is as shown in Figure 2, and the phase-shift circuit unit 11 that is existing antenna phase shifting equipment 5 is the principle schematic of 90 degree electric bridges; When the distributing point of antenna is many more, it is many more that the quantity of 90 degree electric bridges also requires, and present this electric bridge is the import device, and price comparison is expensive, and the delivery cycle is long, the antenna that therefore adopts this phase shifting equipment not only cost height but also production cycle long.
The 90 degree electric bridges and the amplifier circuit unit 12 of the phase shifting equipment 5 of existing antenna are on the PCB bottom 4 simultaneously; Interference between them can influence the performance of antenna; So existing antenna requires relatively harshness to the layout of 90 degree electric bridges and amplifying circuit 12, is unfavorable for the miniaturization of product.
Summary of the invention
The purpose of this invention is to provide antenna phase shifting equipment and antenna, to improve the problem of antenna cost height, unstable properties in the prior art, the present invention not only realizes simply, and cost is lower.
The present invention proposes a kind of antenna phase shifting equipment, comprise phase-shift circuit unit and amplifier circuit unit, above-mentioned phase-shift circuit unit is the little band phase-shift networks of 90 degree.
The invention allows for a kind of antenna; Above-mentioned antenna comprises antenna radiator, PCB top layer, PCB dielectric layer, PCB bottom and is arranged on the antenna phase shifting equipment on the above-mentioned PCB bottom; Above-mentioned antenna phase shifting equipment comprises phase-shift circuit unit and amplifier circuit unit, and above-mentioned phase-shift circuit unit is the little band phase-shift networks of 90 degree.
Preferably, connect through via hole between above-mentioned antenna radiator, PCB top layer, PCB dielectric layer, the PCB bottom.
Preferably, above-mentioned via hole is blind hole or through hole.
The present invention has further proposed a kind of antenna; Above-mentioned antenna comprises antenna radiator, PCB top layer, PCB first dielectric layer, PCB first intermediate layer, PCB second dielectric layer, PCB second intermediate layer, PCB the 3rd dielectric layer, PCB bottom and antenna phase shifting equipment; Above-mentioned antenna phase shifting equipment comprises phase-shift circuit unit and amplifier circuit unit; Above-mentioned phase-shift circuit unit is positioned at above-mentioned PCB first intermediate layer, and above-mentioned amplifier circuit unit is positioned at above-mentioned PCB bottom.
Preferably, above-mentioned phase-shift circuit unit is the little band phase-shift networks of 90 degree.
Preferably, connect through via hole between above-mentioned antenna radiator, PCB top layer, PCB first dielectric layer, PCB first intermediate layer, PCB second dielectric layer, PCB second intermediate layer, PCB the 3rd dielectric layer, the PCB bottom.
Preferably, above-mentioned via hole is blind hole or through hole.
One aspect of the present invention adopts the little band phase-shift network of 90 degree as the phase-shift circuit unit, provides cost savings, and shortened the delivery cycle of product, and along with the distributing point of antenna is many more, cost is saved more; On the other hand the phase-shift circuit unit of antenna phase shifting equipment and amplifier circuit unit branch are opened on the different layers, have reduced the interference between phase-shift circuit unit and the amplifier circuit unit, not only be convenient to the layout of circuit, also can make the antenna more miniaturization that becomes.Because the processing technology of PCB is quite ripe, so the present invention is fit to produce in batches very much, industrial value is high.
Description of drawings
Fig. 1 is the principle schematic of existing antenna;
Fig. 2 is the theory diagram of existing antenna phase shifting equipment;
Fig. 3 is the theory diagram of antenna phase shifting equipment preferred embodiment according to the invention;
Fig. 4 is the principle schematic of antenna preferred embodiment according to the invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Further specify technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 3, be the theory diagram of antenna phase shifting equipment preferred embodiment according to the invention; Above-mentioned antenna phase shifting equipment comprises phase-shift circuit unit 11 and amplifier circuit unit 12, and in the present embodiment, phase-shift circuit unit 11 is the little band phase-shift networks of 90 degree.
As shown in Figure 4, be the principle schematic of antenna preferred embodiment according to the invention; Above-mentioned antenna comprises antenna radiator 1, PCB top layer 2, PCB first dielectric layer 6, PCB first intermediate layer 7, PCB second dielectric layer 8, PCB second intermediate layer 9, PCB the 3rd dielectric layer 10, PCB bottom 4 and antenna phase shifting equipment 5; Antenna phase shifting equipment 5 is as shown in Figure 3; Comprise little band phase-shift network 11 of 90 degree and amplifier circuit unit 12; The little band phase-shift network 11 of 90 degree is positioned at PCB first intermediate layer 7, and amplifier circuit unit 12 is positioned at PCB bottom 4; Connect through via hole between antenna radiator 1, PCB top layer 2, PCB first dielectric layer 6, PCB first intermediate layer 7, PCB second dielectric layer 8, PCB second intermediate layer 9, PCB the 3rd dielectric layer 10, the PCB bottom 4, via hole is blind hole or through hole.
In the above-mentioned antenna; PCB top layer 2 is as the reflecting plate of antenna radiator 1; PCB first dielectric layer 6 was opened PCB first intermediate layer 7 in 2 minutes with the PCB top layer; PCB second dielectric layer 8 was opened PCB first intermediate layer 7 in 9 minutes with PCB second intermediate layer, and PCB the 3rd dielectric layer 10 was opened PCB second intermediate layer 9 in 4 minutes with the PCB bottom, and PCB second intermediate layer 9 will be positioned at the amplifier circuit unit 12 on the PCB bottom 4 and be positioned at the little band phase-shift network of degree of 90 on PCB first intermediate layer 7 opened in 11 minutes.Signal is through the transmission of the via hole on the antenna.
When the distributing point of antenna increased, then the number at the little band phase shift of 90 degree networking 11 also increased accordingly, at this moment, as long as corresponding change PCB file can not increase product cost, and can not increase the production cycle yet.
In terms of existing technologies, the present invention provides cost savings, and has shortened the production cycle of antenna, and the distributing point of antenna is many more, and cost is economized more.The present invention can produce in batches, and industrial value is high.
More than be merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, include in scope of patent protection of the present invention.
Claims (4)
1. antenna; It is characterized in that; Said antenna comprises the antenna phase shifting equipment and stacks gradually the antenna radiator of connection, PCB top layer, PCB first dielectric layer, PCB first intermediate layer, PCB second dielectric layer, PCB second intermediate layer, PCB the 3rd dielectric layer, PCB bottom; Said antenna phase shifting equipment comprises phase-shift circuit unit and amplifier circuit unit, and said phase-shift circuit unit is positioned at said PCB first intermediate layer, and said amplifier circuit unit is positioned at said PCB bottom.
2. antenna according to claim 1 is characterized in that, said phase-shift circuit unit is the little band phase-shift networks of 90 degree.
3. antenna according to claim 1; It is characterized in that, connect through via hole between said antenna radiator, PCB top layer, PCB first dielectric layer, PCB first intermediate layer, PCB second dielectric layer, PCB second intermediate layer, PCB the 3rd dielectric layer, the PCB bottom.
4. antenna according to claim 3 is characterized in that, said via hole is blind hole or through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110059206A CN102185181B (en) | 2011-03-11 | 2011-03-11 | Antenna phase shifter and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110059206A CN102185181B (en) | 2011-03-11 | 2011-03-11 | Antenna phase shifter and antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102185181A CN102185181A (en) | 2011-09-14 |
| CN102185181B true CN102185181B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110059206A Active CN102185181B (en) | 2011-03-11 | 2011-03-11 | Antenna phase shifter and antenna |
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| CN (1) | CN102185181B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825089B (en) * | 2014-02-28 | 2016-06-22 | 电子科技大学 | Near field focus planar array antenna |
| CN105406179B (en) * | 2015-11-06 | 2018-08-21 | 中国电子科技集团公司第三十八研究所 | A kind of high-gain end-fire conformal antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7429952B2 (en) * | 2005-12-23 | 2008-09-30 | Hemisphere Gps Inc. | Broadband aperture coupled GNSS microstrip patch antenna |
| CN101533956A (en) * | 2009-03-27 | 2009-09-16 | 大连海事大学 | Multi-mode satellite positioning navigation terminal antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08111611A (en) * | 1994-10-11 | 1996-04-30 | Fujitsu Ten Ltd | Receiver with patch antenna |
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2011
- 2011-03-11 CN CN201110059206A patent/CN102185181B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7429952B2 (en) * | 2005-12-23 | 2008-09-30 | Hemisphere Gps Inc. | Broadband aperture coupled GNSS microstrip patch antenna |
| CN101533956A (en) * | 2009-03-27 | 2009-09-16 | 大连海事大学 | Multi-mode satellite positioning navigation terminal antenna |
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| CN102185181A (en) | 2011-09-14 |
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