CN101740862B - Dipole antenna of RF chip - Google Patents
Dipole antenna of RF chip Download PDFInfo
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- CN101740862B CN101740862B CN200810217364.XA CN200810217364A CN101740862B CN 101740862 B CN101740862 B CN 101740862B CN 200810217364 A CN200810217364 A CN 200810217364A CN 101740862 B CN101740862 B CN 101740862B
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Abstract
The invention discloses a dipole antenna of an RF chip, comprising two metal sheets, a feeder line and an earth wire, wherein two tabulate metal sheets are mutually parallel and are both provided with short circuit points which are respectively used for connecting the feeder line and the earth wire. The dipole antenna of the RF chip of the invention integrates novel artificial electromagnetic materials, thus the dipole antenna has abundant chromatic dispersion characteristics so as to form various radioactive modes, which not only can avoid fussy impedance matching network, but also can tune by adjusting a feeder line feeding and coupling mode, an earth wire accessing mode, the topological structure of metal microstructure, the position of metalizing through holes as well as the short circuit point position among the feeder line, the earth wire, an upper layer of sheet metal and a lower layer of sheet metal, thus providing great convenience for multiple frequency point impedance matching; meanwhile, the dipole antenna of the invention adopts a chip mode to fully utilize radiating area to approach to the Chu Limit antenna dimension limit principle, the construction of double chips also brings technical advantages for limiting electromagnetic wave and reducing effect on antenna operation by the outside.
Description
Technical field
The present invention relates to less radio-frequency device technology field, relate in particular to a kind of novel dipole antenna of RF chip.
Background technology
Along with the high development of semiconductor technology, current electronic system integrated level has been proposed to more and more higher requirement, the miniaturization of device becomes the technical problem that whole industry is paid special attention to.But, be different from IC chip and follow the development of " Moore's Law ", as the other important composition radio-frequency module one by one of electronic system, be but faced with the highly difficult technological challenge of device miniaturization.Radio-frequency module has mainly comprised the main devices such as mixing, power amplifier, filtering, radio signal transmission, matching network and antenna.Wherein, antenna is as radiating element and the receiving device of final radiofrequency signal, and its operating characteristic will directly affect the service behaviour of whole electronic system.But the important indicators such as the size of antenna, bandwidth, gain have but been subject to the restriction (gain margin under fixed dimension, bandwidth limit etc.) of basic physical principle.The basic principle of these index limit makes the miniaturization technology difficulty of antenna considerably beyond other device, and due to the complexity of the electromagnetic field analysis of radio-frequency devices, approaching these limiting values all becomes huge technological challenge.
Meanwhile, complicated along with contemporary electronic systems, the demand of multimode service becomes more and more important in the systems such as radio communication, wireless access, satellite communication, radio data network.And the demand of multimode service has further increased the complexity of miniature antenna multimodes design.Remove the technological challenge of miniaturization, the multimode impedance matching of antenna also becomes the bottleneck of antenna technology.On the other hand, multi-input multi-output system (MIMO) has further required harshly the miniaturization of antenna size and has guaranteed good isolation, radiance and antijamming capability simultaneously at the high speed development in radio communication, wireless data service field.But the traditional terminal communication antenna mainly radiation theory based on electric monopole or dipole designs, such as the most frequently used planar inverted-F antenna (PIFA).Directly and the size positive correlation of antenna, the area positive correlation of bandwidth and antenna, makes the design of antenna conventionally need the physical length of half-wavelength for the Radiation work frequency of traditional antenna.In some more complicated electronic systems, antenna needs multimode operation, just need to design by the impedance matching network outside feed antenna forehead.But the increase that impedance matching network is extra the feeder line design of electronic system, increased radio system area simultaneously matching network also introduced many energy losses, be difficult to meet the requirement of system design of low-power consumption.Therefore, miniaturization, multimodal new antenna technology become an important technology bottleneck of contemporary electronics integrated system.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of novel dipole antenna of RF chip, breaks through the framework of traditional antenna design, saves the somewhat complex design of impedance matching network, guarantees its miniaturization and multimode.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of dipole antenna of RF chip, comprises two flat sheet metals that are parallel to each other, feeder line, earth connection; On described two sheet metals, being provided with can short circuit point, is respectively used to connect feeder line and earth connection.
The group battle array structure of wherein, all engraving a metal micro structure or being combined by least two metal micro structures on described two sheet metals.
Wherein, in described two sheet metals, the metal micro structure of engraving on one of them sheet metal or group battle array structure are different from metal micro structure or the group battle array structure of on another sheet metal, engraving.
Wherein, the metal micro structure inside on every sheet metal, embeds and engraves new metal micro structure.
Wherein, the external shape of described metal micro structure is open type circle or polygon.
Wherein, the metal micro structure of engraving on described two sheet metals is any in complementary opening resonance loop structure, complementary helix structure, opening helical ring structure, two opening helical ring structure, complementary folding line structure, opening helical ring and folding line mixed structure, opening helical ring and two opening helical ring mixed structures.
Wherein, on described two sheet metals, be equipped with plated-through hole, and described two sheet metals are by this plated-through hole short circuit.
Wherein, between described two sheet metals, also comprise the actual medium of filling a vacancy, described two sheet metals lay respectively at the two-layer up and down of this actual medium of filling a vacancy.
Wherein, the described actual medium of filling a vacancy is air, pottery or medium substrate.
Wherein, described feeder line adopts inductance feed-in mode or electric capacity feed-in mode, and described earth connection adopts inductance earthing mode or capacity earth mode.
The present invention has following beneficial effect:
The design of dipole antenna of RF chip of the present invention has broken through the design framework of traditional antenna, integrated novel artificial electromagnetic material, therefore its radiation has very abundant dispersion characteristics, can form multiple radiation mode, can remove loaded down with trivial details impedance matching network from, and can be by adjusting the feed-in coupled modes of feeder line, earth connection access way, the topological structure of metal micro structure on upper and lower double layer of metal sheet, the position of plated-through hole on upper and lower double layer of metal sheet, and feeder line and earth connection and upper and lower double layer of metal sheet can carry out tuning by short connecting point position, the impedance matching that this abundant dispersion characteristics are multifrequency point brings great convenience.Meanwhile, miniature antenna of the present invention is taked chip mode, therefore can make full use of swept area, approaches the antenna size limiting principle of Chu Limit, and the impact of rationing the power supply magnetic wave, reducing outer bound pair antenna work of also playing a game of the structure of dual chip brings technical advantage.
In sum, dipole antenna of RF chip of the present invention have size little, process the advantages such as simple, with low cost, aerial radiation area utilization is high, easily carry out multimode antenna coupling design and antijamming capability is strong.From application, divide, dipole antenna of RF chip can be applied by corresponding interface in following wireless device environment:
1) WLAN (wireless local area network) (802.11a/b/g/n/y).The equipment that can be applied to comprises: wireless router, and indoor moving terminal wireless receiver, as computer, Personal digital assistant (PDA), radio reception device AP etc.
2) cellular network communication.The equipment that can be applied to comprises: Personal Digital Cellular (PDC), Global Systems for Mobile Communications (GSM) [can be applied to the various frequencies of GSM, as 400MHz, 450MHz, 850MHz, 900MHz, 1800MHz, 1900MHz.], IS-95 (Code Division Multiple Access, CDMA), IS-2000 (CDMA2000), Generalized Packet Relay Service (GPRS), Wide CodeDivision Multiple Access (WCDMA), Time Division-Synchronous CodeDivision Multiple Access (TD-SCDMA), Universal MobileTelecommunications System (UMTS), High Speed OFDM Packet Access (HSOPA), High-Speed Uplink Packet Access (HSUPA), High-SpeedDownlink Packet Access (HSDPA), Worldwide Interoperability forMicrowave Access (WiMax), UMTS Long Term Evolution (LTE) and multiple input/output system (MIMO).From above application, can see, IHT chip miniature antenna can be widely applied in all kinds of cellular network communication terminals, comprising all kinds of second generations, the third generation and the wireless terminal in the 4th generation.Designed small size antenna not only can be applied in all kinds of mobile reception terminals in cellular network communication, and changes and also can be applied in transmitting terminal a little, as be directed to the second generation, the third generation and the 4th generation wireless communication system antenna for base station etc.
3) Global Positioning System (GPS) global positioning system terminal antenna.
4) very-short-reach communication (Ultra-wideband, UWB, in 13m).Adaptable equipment comprises all radio-based electronic devices that use UWB technology.
5) blue-tooth radio equipment (IEEE802.15.1).Adaptable equipment comprises all radio-based electronic devices under IEEE802.15.1 protocol definition.
6) Wireless Telecom Equipment in ZigBee (IEEE802.15.4) agreement, as industrial monitoring, sensor network, home network, safety system, in-vehicle electronic system, servo actuator etc.Because the Wireless Telecom Equipment of IEEE802.15.4 definition is power constrained devices, therefore require low-power consumption.The power consumption that the small size antenna that the present invention proposes has also been saved hardware when greatly dwindling hardware size, the miniature antenna therefore proposing here will be applicable to any radio-based electronic devices under IEEE802.15.4 agreement very much.
7) mobile network who supports without wired infrastructure.As sensor network (SensorNetworks) body zone sensors network (Body Sensor Network) and Ad Hoc network.Because such network is very high to wireless terminal dimensional requirement, wish that wireless terminal is the smaller the better, therefore designed small size antenna will effectively solve the technical bottleneck of this type of wireless network here.
8) medical electric wireless device (IEEE1073).Comprise: the patient monitoring device in medical ventilation equipment, defibrillator, acute disease hospital, family health care equipment, medical imaging device, as Magnetic resonance imaging (MRI) etc.The total frequency spectrum that IEEE1073 is used is 14MHz, and this frequency spectrum is that Federal Communications Committee (FCC) applied and reserves for medical wireless specially in October, 2002.FCC plans from 608-614, extracts frequency spectrum, for Medical Devices provide glitch-free spectrum space in tri-kinds of frequency ranges of 1395-1400 and 1427-1432MHz.The small size antenna proposing in this patent is applicable to this three kinds of frequency ranges completely.Therefore the small size antenna, proposing in this patent can be widely applied in all medical electric wireless devices that IEEE1073 standard comprises.
9) sending and receiving apparatus of all kinds of satellite communications.The satellite antenna requiring for high-gain can be taked the array antenna system based on dipole antenna of RF chip of the present invention.
10) all kinds of radars and microwave detection system, as trailer-mounted radar, meteorological radar and maritime affairs radar etc.This chip miniature antenna can be used as the radiating element in radar system.
11) antenna component of radio-frequency (RF) tag and identification (RFID) and read-write antenna.
12) all kinds of wireless amusing consumer-elcetronics devicess, as miniaturized electronicss such as wireless HiFi earphone (2.4GHz-2.48GHz and 433MHz-434MHz), wireless mobile hard disk, printer, wireless game pads, wireless mouse (27.085MHz and 27.135MHz), keyboards (27.185MHz and 27.035MHz), and the electronic equipment of all application Bluetooth antennas.
13) the multimode radio-frequency design of applying between above-mentioned all kinds of wireless technology.
Accompanying drawing explanation
Fig. 1 is the structural representation of dipole antenna of RF chip the first embodiment of proposing of the present invention;
Fig. 2 is the structural representation of dipole antenna of RF chip the second embodiment of proposing of the present invention, wherein, Fig. 2 (a) is the dipole antenna of RF chip of engraving complementary opening resonance loop structure, Fig. 2 (b) is the dipole antenna of RF chip of engraving complementary helix structure, Fig. 2 (c) is the dipole antenna of RF chip of engraving complementary opening helical ring structure, Fig. 2 (d) is the dipole antenna of RF chip of engraving two opening helical ring structures, Fig. 2 (e) is the dipole antenna of RF chip of engraving mixed structure, Fig. 2 (f) is the dipole antenna of RF chip of engraving complementary folding line structure, Fig. 2 (g) is the dipole antenna of RF chip of engraving opening helical ring and folding line mixed structure, Fig. 2 (h) is the dipole antenna of RF chip of engraving opening helical ring and two opening helical ring mixed structures, and in Fig. 2 (a)-2 (h), left figure represents to connect the sheet metal of feeder line, and right figure represents to connect the sheet metal of earth connection, corresponding points when A, B point represents the parallel placement of two metal sheets,
The full-wave simulation result that Fig. 3 is dipole antenna of RF chip when the wire length to its feeder line and earth connection (wire length of feeder line and earth connection refers to respectively the distance of feedback point to the distance of sheet metal micro-structural, earth point to sheet metal micro-structural) adopts different designs contrasts schematic diagram; Wherein, Fig. 3 (a) is the schematic diagram of engraving the dipole antenna of RF chip of complementary opening resonance loop structure, Fig. 3 (b) is the antenna for structure shown in Fig. 3 (a), full-wave simulation result contrast schematic diagram when its wire length is adopted to different designs;
Fig. 4 is the full-wave simulation result contrast schematic diagram of dipole antenna of RF chip when its metal micro structure is adopted to different size and Topology Structure Design; Wherein Fig. 4 (a) is the schematic diagram of engraving the dipole antenna of RF chip of complementary opening resonance loop structure, Fig. 4 (b) is the antenna for structure shown in Fig. 4 (a), full-wave simulation result contrast schematic diagram when its metal micro structure is adopted to different size design, Fig. 4 (c) is the dipole antenna of RF chip of engraving the mixed structure of complementary split ring resonator and complementary pair of split ring resonator, and Fig. 4 (d) is the full-wave simulation result of the antenna of structure shown in Fig. 4 (c);
Fig. 5 is the reflection measurement result schematic diagram of the dipole antenna of RF chip shown in Fig. 2 (a);
Fig. 6 is the derivative schematic diagram of the topological structure of the dipole antenna of RF chip shown in Fig. 2 (a); Wherein Fig. 6 (a) is the derivative schematic diagram of topological structure geometry, and Fig. 6 (b) is the derivative schematic diagram of topological structure expansion;
Fig. 7 is the topological composite construction schematic diagram of the dipole antenna of RF chip shown in Fig. 2 (a);
Fig. 8 is the group battle array structural representation of the dipole antenna of RF chip shown in Fig. 2 (a); Wherein Fig. 8 (a) is single feed-in multi-chip group battle array schematic diagram, and Fig. 8 (b) is many feed-ins single-chip group battle array schematic diagram.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail:
Embodiment mono-
Refer to the topological structure shown in Fig. 1, the dipole antenna of RF chip in the present embodiment is comprised of feeder line, earth connection, two sheet metals with flat topology structure.Two parallel placements of sheet metal, feeder line feed-in is a sheet metal wherein, and earth connection connects another sheet metal, and can be provided with plated-through hole on two metal sheets, is used for realizing the short circuit of sheet metal.
Wherein, feeder line and earth connection generally can be considered as two pins of dipole antenna of RF chip, with standard 50 ohmage feed-ins, but the feed-in mode of feeder line and the earthing mode of earth connection can be capacitive couplings can be also inductive coupled, specifically, the feed-in mode of feeder line and the access way of earth connection have four kinds of combinations, respectively: the feed-in of feeder line inductance, earth connection inductance ground connection; The feed-in of feeder line inductance, earth connection capacity earth; The feed-in of feeder line electric capacity, earth connection inductance ground connection; The feed-in of feeder line electric capacity, earth connection capacity earth.The topological micro-structural of upper and lower two sheet metals can be identical with size, also can be different, thus carry out HDL-design, do not change fundamental radiation principle.Now, medium between two metal sheets is that actual filled media (can select arbitrarily by dielectric material, can be generally air, pottery or medium substrate), upper and lower two sheet metals can carry out short circuit by metallized through hole, because plated-through hole is equivalent to electric plasma material, during two sheet metal short circuits, the radiation parameter of this antenna will great changes will take place.About feeder line and earth connection can short connecting point position, except the position shown in Fig. 1, (be positioned at metal micro structure left side), can also be positioned at other optional position on sheet metal by short circuit point.
For the dipole antenna of RF chip in the present embodiment, can by adjust earthing mode, the topological micro-structural of upper and lower double layer of metal sheet and the plated-through hole position of size, upper and lower double layer of metal sheet of feed-in coupled modes, earth connection of feeder line and feeder line and earth connection and up and down double layer of metal micro-structural can carry out tuning by short connecting point position.
Artificial electromagnetic material is a kind of equivalent special material that utilizes metal micro structure to carry out processing and manufacturing, and its performance directly depends on the metal micro structure of its sub-wavelength.In resonance band, artificial electromagnetic material embodies the dispersion characteristics of height conventionally, in other words, its impedance, holds perception, equivalent dielectric constant and magnetic permeability along with violent variation can occur frequency.Thereby can adopt artificial electromagnetic material to transform the fundamental characteristics of medium between two metal sheets, make to have inserted equivalently between two metal sheets a highly dispersed extraordinary electromagnetic material, thereby realize the new antenna that radiation characteristic is abundant.To be elaborated by embodiment bis-below:
Embodiment bis-
The present embodiment utilizes the characteristic of artificial electromagnetic material, the mode that employing is engraved metal micro structure on upper and lower sheet metal, make equivalence between sheet metal fill a dielectric constant according to the electromagnetic material of Lorentz lorentz's material resonances model dispersion, realize the object of the radiation characteristic that changes antenna.
Refer to Fig. 2, this figure has provided the micro-structural of a series of possible equivalent electromagnetic materials, and wherein, Fig. 2 (a) is depicted as the schematic diagram of the dipole antenna of RF chip of engraving complementary opening resonance loop structure; Fig. 2 (b) is the schematic diagram of engraving the dipole antenna of RF chip of complementary helix structure; Fig. 2 (c) is the schematic diagram of engraving the dipole antenna of RF chip of opening helical ring structure; Fig. 2 (d) is the schematic diagram of engraving the dipole antenna of RF chip of two opening helical ring structures; Fig. 2 (e) is the schematic diagram of engraving the dipole antenna of RF chip of mixed structure; Fig. 2 (f) is the schematic diagram of engraving the dipole antenna of RF chip of complementary folding line structure; Fig. 2 (g) is the schematic diagram of engraving the dipole antenna of RF chip of opening helical ring and folding line mixed structure; Fig. 2 (h) is the schematic diagram of engraving the dipole antenna of RF chip of opening helical ring and two opening helical ring mixed structures.Wherein, complementary split ring structure, complementary helix structure can be equivalent to the electromagnetic material with electric resonance characteristic; Two complementary split ring structures, complementary folding line structure can be equivalent to the electromagnetic material with magnetic resonance characteristic; The combination (such as upper and lower each one of sheet metal) of any two kinds of different structures can form the more abundant equivalent electromagnetic material of dispersion.The design kind of metal micro structure has infinite multiple, is not limited to giving an example of Fig. 2, but is substantially all resonance structure.Because plated-through hole is equivalent to electric plasma material, meeting and the metal micro structure of engraving form mixed mode, so also upper and lower sheet metal can be adjusted its equivalent electromagnetic material characteristic, radiation parameter significantly by plated-through hole short circuit in the present embodiment.
In the present embodiment, about the processing and manufacturing of antenna, as long as meet design principle of the present invention, can adopt various manufactures.Prevailing method is to use the manufacture method of all kinds of printed circuit board (PCB)s (PCB), metallized through hole, and the PCB of double-sided copper-clad manufactures and all can meet processing request of the present invention.Except this processing mode, can also introduce according to the actual needs other manufacturing process, such as RFID, (RFID is the abbreviation of Radio Frequency Identification, be REID, be commonly called as electronic tag) in the processing mode that combines of the processing mode of the conductive silver paste ink processing mode, all kinds of flexible PCB processing, the iron plate antennas that can deformation device that use and iron plate and PCB.Wherein, iron plate and PCB combination processing mode refers to the processing that utilizes the accurate processing of PCB to complete chip micro-structural part, completes other slave part with iron plate.
Secondly, about feeder line and earth connection can short connecting point position, this can be positioned at the optional position on its place sheet metal by short circuit point.The feed-in mode of feeder line and the earthing mode of earth connection can be that capacitive coupling can be also inductive coupled, and specifically, the feed-in mode of feeder line and the access way of earth connection have four kinds of combinations, respectively: the feed-in of feeder line inductance, earth connection inductance ground connection; The feed-in of feeder line inductance, earth connection capacity earth; The feed-in of feeder line electric capacity, earth connection inductance ground connection; The feed-in of feeder line electric capacity, earth connection capacity earth.The topological micro-structural of upper and lower two sheet metals can be identical with size, also can be different, thus carry out HDL-design, do not change fundamental radiation principle, but can change the concrete radiance of antenna.
Meanwhile, because the main performance of dipole antenna of RF chip all concentrates on the design of metal micro structure topological sum chip part, therefore, the lead-in wire of feeder line and earth connection is relatively little on the radiation frequency impact of antenna.Based on this feature, dipole antenna of RF chip can be placed in any position of system, the complexity of the installation testing of simplification flexibly.
Refer to Fig. 3, wherein Fig. 3 (a) is the schematic diagram of engraving the dipole antenna of RF chip of complementary opening resonance loop structure, Fig. 3 (b) is the antenna for structure shown in Fig. 3 (a), full-wave simulation result contrast schematic diagram when the wire length of its feeder line and earth connection is adopted to different designs, this shows, the impact of feeder line and the radiation frequency of earth connection wire length on antenna is less.
Refer to Fig. 4, wherein Fig. 4 (a) is the schematic diagram of engraving the dipole antenna of RF chip of complementary opening resonance loop structure, Fig. 4 (b) is the antenna for structure shown in Fig. 4 (a), full-wave simulation result contrast schematic diagram when its metal micro structure is adopted to different size design, this shows, the radiation frequency of antenna is occurring along with the difference of the size design of micro-structural significantly to change; Fig. 4 (c) is the dipole antenna of RF chip of engraving the mixed structure of complementary split ring resonator and complementary pair of split ring resonator, Fig. 4 (d) is the full-wave simulation result of the antenna of structure shown in Fig. 4 (c), known by comparison diagram 4 (d) and Fig. 4 (b), the radiation frequency of antenna is occurring significantly to change along with the topology design difference of metal micro structure.Therefore, regulate topology design and the size of micro-structural on chip and chip to carry out design parameter optimization to miniature antenna of the present invention, to reach application requirements.
Refer to Fig. 5, this figure is depicted as reflection (S11) test result of the dipole antenna of RF chip shown in Fig. 2 (a).In this example, this Antenna Design is of a size of 13mm*16mm, polytetrafluoroethylene (FR4) medium sheet material has been taked in its processing, feeder line is taked capacitive coupling, earth connection adopts short circuit inductance coupling high, two sheet metals have all been engraved complementary split ring resonator micro-structural, between upper and lower two sheet metals without any short circuit.As seen from the figure, this miniature antenna has the good radiation characteristic of multiple frequency ranges, five main radiation frequencies are distributed to 5.5GHz from 900MHz always, almost contained each main communication frequencys such as GSM, CDMA, bluetooth, WLAN (IEEE802.11 agreement), GPS, there is very high integrated level and have competitive small size.In actual development, the size of its antenna can be introduced more resonance micro-structural as required, further reduces antenna size, makes its limit system of aerial radiation after all.The invention is not restricted to above-described sample, concrete exploitation can have various structures design and manufacture the mode of processing.
In dipole antenna of RF chip proposed by the invention, that the topological micro-structural of upper and lower double layer of metal sheet has is derivative, mixing, compound and a group gust characteristic, thereby on sheet metal, the design of metal micro structure can be modified according to the topological property of sheet metal, will specifically describe below:
Refer to Fig. 6, this figure is depicted as the derivative schematic diagram of topological structure of the dipole antenna of RF chip shown in Fig. 2 (a).Wherein Fig. 6 (a) is the derivative schematic diagram of topological structure geometry, here topological geometry is derivative refers to that the shape of metal micro structure is not only confined to rectangle in the present invention, also can be arbitrary plane geometric figure, as circle, triangle, polygon.Fig. 6 (b) is the derivative schematic diagram of topological structure expansion, and the topological structure expansion is here derivative to be referred to not changing under original metal micro structure intrinsic propesties prerequisite, thereby can add arbitrarily metal wire, expands original metal micro structure.
Refer to Fig. 7, this figure is depicted as the topological composite construction schematic diagram of the dipole antenna of RF chip shown in Fig. 2 (a), here topological composite construction refers to nested new geometry in the shape of original metal micro structure, and the new geometry of this embedding can be identical, also can be different.
Refer to Fig. 8, this figure is depicted as the group battle array structural representation of the dipole antenna of RF chip shown in Fig. 2 (a).Wherein Fig. 8 (a) is single feed-in multi-chip group battle array schematic diagram, and Fig. 8 (b) is many feed-ins single-chip group battle array schematic diagram.That the topological structure of the chipset array element here meets is simultaneously derivative, mixing and composite attribute.
In sum, due to the antenna in the present embodiment integrated artificial electromagnetic material, therefore its radiation has very abundant dispersion characteristics, can form multiple radiation mode, and can be by adjusting metal micro structure and size on the earthing mode, upper and lower double layer of metal sheet of feed-in coupled modes, earth connection of feeder line, upper and lower double layer of metal sheet plated-through hole position and can carrying out tuning by short connecting point position on double layer of metal sheet up and down.Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment, the present invention is had been described in detail.Those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and do not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. a dipole antenna of RF chip, comprises two flat sheet metals that are parallel to each other, feeder line, earth connection; On described two sheet metals, being provided with can short circuit point, is respectively used to connect feeder line and earth connection, it is characterized in that the group battle array structure of all engraving a metal micro structure or being combined by least two metal micro structures on described two sheet metals.
2. dipole antenna of RF chip as claimed in claim 1, is characterized in that, in described two sheet metals, the metal micro structure of engraving on one of them sheet metal or group battle array structure are different from metal micro structure or the group battle array structure of on another sheet metal, engraving.
3. dipole antenna of RF chip as claimed in claim 1, is characterized in that, the metal micro structure inside on every sheet metal embeds and engraves new metal micro structure.
4. the dipole antenna of RF chip as described in claim 1 or 3, is characterized in that, the circle that the external shape of described metal micro structure is open type or polygon.
5. dipole antenna of RF chip as claimed in claim 4, it is characterized in that, the metal micro structure of engraving on described two sheet metals is any in complementary opening resonance loop structure, complementary helix structure, opening helical ring structure, two opening helical ring structure, complementary folding line structure, opening helical ring and folding line mixed structure, opening helical ring and two opening helical ring mixed structures.
6. the dipole antenna of RF chip as described in as arbitrary in claims 1 to 3, is characterized in that, on described two sheet metals, is equipped with plated-through hole, and described two sheet metals are by this plated-through hole short circuit.
7. the dipole antenna of RF chip as described in as arbitrary in claims 1 to 3, is characterized in that, between described two sheet metals, also comprise the actual medium of filling a vacancy, described two sheet metals lay respectively at the two-layer up and down of this actual medium of filling a vacancy.
8. dipole antenna of RF chip as claimed in claim 7, is characterized in that, the described actual medium of filling a vacancy is air, pottery or medium substrate.
9. dipole antenna of RF chip as claimed in claim 1, is characterized in that, described feeder line adopts inductance feed-in mode or electric capacity feed-in mode, and described earth connection adopts inductance earthing mode or capacity earth mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810217364.XA CN101740862B (en) | 2008-11-20 | 2008-11-20 | Dipole antenna of RF chip |
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| CN200810217364.XA CN101740862B (en) | 2008-11-20 | 2008-11-20 | Dipole antenna of RF chip |
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| CN101740862B true CN101740862B (en) | 2014-04-30 |
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Families Citing this family (113)
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874067B (en) * | 2005-05-31 | 2010-05-26 | 西北工业大学 | Microstrip antenna with left hand material of wave band |
| CN2870195Y (en) * | 2005-08-19 | 2007-02-14 | 李宏强 | Frequency selection device |
| CN1941505B (en) * | 2005-09-30 | 2012-05-30 | 西北工业大学 | Microband antenna C-band left-hand material and its array |
| CN2865040Y (en) * | 2006-01-23 | 2007-01-31 | 汉达精密电子(昆山)有限公司 | Microstrip aerial |
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2008
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