CN114628892B - PCB antenna and electronic equipment - Google Patents
PCB antenna and electronic equipment Download PDFInfo
- Publication number
- CN114628892B CN114628892B CN202210363712.4A CN202210363712A CN114628892B CN 114628892 B CN114628892 B CN 114628892B CN 202210363712 A CN202210363712 A CN 202210363712A CN 114628892 B CN114628892 B CN 114628892B
- Authority
- CN
- China
- Prior art keywords
- radiator
- dielectric substrate
- tuning element
- pcb antenna
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims abstract description 69
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000010295 mobile communication Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application provides a PCB antenna and electronic equipment, wherein the antenna comprises a dielectric substrate, a first radiator, a second radiator, a feeder line, a grounding terminal and a tuning unit. The dielectric substrate is provided with a first metallized via hole, and the thickness of the dielectric substrate is 2-5 mm so as to reduce the area of the PCB antenna. The first radiator and the second radiator are respectively arranged at two ends of the dielectric substrate and are electrically connected through the first metallized via hole; the feeder line and the grounding terminal are arranged on the dielectric substrate, and the feeder line is electrically connected with the first radiator; the two ends of the tuning unit are respectively and electrically connected with the first radiator and the grounding terminal. The PCB antenna provided by the application has smaller volume and coverage area, and can be applied to scenes with limited space size. In addition, the PCB antenna can generate two resonant modes, and respectively cover two frequency bands of 1.8 GHz-3.0 GHz and 3.0 GHz-6.5 GHz, has larger bandwidth, and can meet the requirements of multiple frequencies and corresponding operation bandwidths of a communication system.
Description
Technical Field
The application relates to the technical field of antennas, in particular to a PCB antenna and electronic equipment.
Background
The frequency band FR1 of the fifth generation communication technology 5G is generally from 3300MHz to 5000MHz (N77/N78/N79), so that higher requirements are put on the performance of the antenna in multiple frequencies and broadband. Meanwhile, the 5G MIMO multi-antenna technology also makes the available space for antennas on the portable terminal more limited.
In addition, in antenna design, there is a trade-off (trade off) between antenna performance and miniaturization of the antenna, and in order to obtain the required antenna performance, a large area is generally required for the antenna area.
Therefore, it is necessary to study an antenna to achieve miniaturization of the antenna.
Disclosure of Invention
The application aims to provide a PCB antenna and electronic equipment, which are used for solving the problem that the conventional antenna cannot be miniaturized.
A first aspect of the present application provides a PCB antenna, comprising:
the PCB antenna comprises a dielectric substrate, wherein a first metallized via hole is formed in the dielectric substrate, and the thickness of the dielectric substrate is 2-5 mm so as to reduce the coverage area of the PCB antenna;
the first radiator is arranged at one end of the dielectric substrate;
The second radiator is arranged at one end, away from the first radiator, of the dielectric substrate and is electrically connected with the first radiator through the first metallized via hole;
A feeder line provided to the dielectric substrate, the feeder line being electrically connected to the first radiator;
the grounding terminal is arranged on the dielectric substrate;
And the tuning unit is arranged on the dielectric substrate, one end of the tuning unit is electrically connected with the first radiator, and the other end of the tuning unit is electrically connected with the feeder line or the grounding terminal.
In one possible design, the feed line is on the same side of the dielectric substrate as the second radiator;
and the dielectric substrate is provided with a second metallized via hole, and the feeder line is electrically connected with the first radiator through the second metallized via hole.
In one possible design, the tuning unit includes a first tuning element, two ends of the first tuning element being electrically connected to the first radiator and the second metallized via, respectively, the first tuning element and the first radiator being located on the same side of the dielectric substrate.
In one possible design, the tuning unit comprises a second tuning element, which is arranged on the dielectric substrate, and the second tuning element and the first radiator are located on the same side of the dielectric substrate;
And a third metallized via hole is arranged in the dielectric substrate, one end of the second tuning element is electrically connected with the second metallized via hole, and the other end of the second tuning element is electrically connected with the grounding terminal through the third metallized via hole.
In one possible design, the tuning unit comprises a third tuning element, which is arranged on the dielectric substrate, and the third tuning element and the first radiator are located on the same side of the dielectric substrate;
And a fourth metallized via hole is arranged in the dielectric substrate, one end of the third tuning element is electrically connected with one end of the first tuning element or the first radiator, and the other end of the third tuning element is electrically connected with the grounding terminal through the fourth metallized via hole.
In one possible design, the first tuning element, the second tuning element and the third tuning element are respectively inductive or capacitive.
In one possible design, the PCB antenna coverage frequency band is 1.8 GHz-6.5 GHz.
In one possible design, the dielectric substrate is made of a polymer or ceramic.
In one possible design, the first metallized via is provided with two.
The second aspect of the application also provides an electronic device, which comprises the PCB antenna provided by the first aspect of the application.
The technical scheme provided by the application can achieve the following beneficial effects:
the dielectric substrate of the PCB antenna provided by the application is of a plate-shaped structure with the thickness of 2-5 mm and smaller, and the first radiator and the second radiator with the sheet structures are respectively attached to the two ends of the dielectric substrate to form the monopole antenna, so that the whole PCB antenna has smaller volume and coverage area and can be applied to scenes with limited space size.
In addition, the first radiator and the second radiator are mutually coupled, and the frequency is tuned through the tuning unit, so that the PCB antenna can generate two resonance modes, one resonance mode is a half-wavelength resonance mode, the frequency band of 1.8 GHz-3.0 GHz can be covered, the other resonance mode is a full-wavelength resonance mode, the frequency band of 3.0 GHz-6.5 GHz can be covered, namely, the PCB antenna can integrally cover the frequency band of 1.8 GHz-6.5 GHz, the PCB antenna has a larger bandwidth, and the PCB antenna can be simultaneously compatible with a mobile communication system with a plurality of frequency band ranges such as WIFI2.4G/WIFI5G/FDD/TDD/N77/N78/N79 and the like, so that the requirements of multiple frequencies and corresponding operation bandwidths of the communication system are met.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
Fig. 1 is a front view of a PCB antenna according to an embodiment of the present application;
fig. 2 is a top view of a PCB antenna according to an embodiment of the present application;
fig. 3 is a bottom view of a PCB antenna according to an embodiment of the present application;
Fig. 4 is an application state diagram of a PCB antenna according to an embodiment of the present application;
fig. 5 is a return loss graph of a PCB antenna according to an embodiment of the present application.
Reference numerals:
A 100-PCB antenna;
200-a circuit board;
1-a dielectric substrate;
11-a first metallized via;
12-a second metallized via;
13-a third metallized via;
14-fourth metallized vias;
2-a first radiator;
3-a second radiator;
4-feeder lines;
5-a ground terminal;
6, tuning unit;
61-first tuning element
62-A second tuning element;
63-third tuning element.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Detailed Description
For a better understanding of the technical solution of the present application, the following detailed description of the embodiments of the present application refers to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
In the description of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
A portable terminal generally refers to an electronic device that can enable a user to perform wireless communication with the other party while being carried. In view of portability, such portable terminals are tending to be miniaturized, ultra-thin, pocket-sized, light-weighted, and capable of adapting to various multimedia environments or internet environments.
For example, services using communication functions such as digital broadcast reception, GPS (Global Positioning System ), bluetooth (Bluetooth), radio frequency identification (Radio Frequency Identification, RFID), mobile Commerce (Mobile communication) and the like are currently available through portable terminals. Compared with the second generation/third generation mobile communication system (GSM/UMTS/TDSCDMA)/fourth generation communication technology LTE (Long Term Evolution) G system, the fifth generation mobile communication technology 5G system has higher wireless transmission speed and higher transmission quality, can provide richer and quicker wireless multimedia service, and enables a user to obtain better mobile broadband Internet surfing experience. The fifth generation communication technology 5G has been commercially used in the frequency band FR1 from 3300MHz to 5000MHz (N77/N78/N79), and therefore, there is a higher requirement for the performance of the antenna in multiple frequencies and broadband. Meanwhile, the 5G MIMO multi-antenna technology also makes the available space for antennas on the portable terminal more limited. In addition, in antenna design, it is difficult to achieve miniaturization of the antenna while satisfying the performance of the antenna.
The application provides a PCB antenna 100 and electronic equipment, wherein the PCB antenna 100 can be arranged in the electronic equipment, and the electronic equipment can be a mobile phone, a tablet personal computer, a notebook computer, an electronic book, a router and the like. In the present application, the electronic device is preferably described by taking a mobile phone as an example. The mobile phone has a circuit board 200 therein, and the PCB antenna 100 may be mounted on the circuit board 200.
Specifically, the PCB antenna 100 includes a dielectric substrate 1, a first radiator 2, a second radiator 3, a power feed line 4, a ground terminal 5, and a tuning unit 6. Wherein, the dielectric substrate 1 is provided with a first metallized via hole 11, and the thickness of the dielectric substrate is 2-5 mm, so as to reduce the coverage area of the PCB antenna. The first radiator 2 is arranged at one end of the dielectric substrate 1, the second radiator 3 is arranged at one end of the dielectric substrate 1, which is far away from the first radiator 2, and the second radiator 3 is electrically connected with the first radiator 2 through a first metallized via hole 11. The first metallized via hole 11 penetrates through the dielectric substrate 1, the inner surface of the metallized via hole is provided with a conductive metal layer, and two ends of the metallized via hole are respectively and electrically connected with the first radiator 2 and the second radiator 3, so that the first radiator 2 and the second radiator 3 are electrically connected. The first radiator 2 and the second radiator 3 may be metal sheets, such as copper sheets, gold sheets, silver sheets, etc. The first metallized vias 11 may have two to ensure good frequency response characteristics of the antenna.
The feeder line 4 is provided on the dielectric substrate 1, and the feeder line 4 is electrically connected to the first radiator 2. The feeder line 4 may connect the first radiator 2 to a signal source of an external device. Wherein the feeder line 4 is classified into a wire transmission line, a coaxial line transmission line, a waveguide, a microstrip line, or the like according to the difference of frequencies. In the present embodiment, the feeder 4 is preferably a coaxial line.
The ground terminal 5 is provided on the dielectric substrate 1. The ground terminal 5 may be used to connect to the ground of an external device, implementing the PCB antenna 100 ground.
And a tuning unit 6 provided on the dielectric substrate 1, one end of the tuning unit 6 being electrically connected to the first radiator 2, and the other end of the tuning unit 6 being electrically connected to the ground terminal 5 or the feeder line 4. The tuning unit 6 may be a capacitive, inductive or other packaging element, and may be used to tune the frequency of the antenna.
The dielectric substrate 1 of the PCB antenna 100 provided by the application is of a plate-shaped structure with smaller thickness, and the first radiator 2 and the second radiator 3 with sheet structures are respectively attached to two ends of the dielectric substrate 1 to form the monopole antenna, so that the whole PCB antenna 100 has smaller volume and coverage area and can be applied to scenes with limited space size.
In addition, the first radiator 2 and the second radiator 3 are coupled with each other, and the frequency of the first radiator is tuned by the tuning unit 6, so that the PCB antenna 100 can generate two resonance modes, one resonance mode is a half-wavelength resonance mode, a frequency band of 1.8 GHz-3.0 GHz can be covered, the other resonance mode is a full-wavelength resonance mode, a frequency band of 3.0 GHz-6.5 GHz can be covered, that is, the PCB antenna 100 can entirely cover the frequency band of 1.8 GHz-6.5 GHz, the bandwidth is large, the mobile communication device can be compatible with a mobile communication system with a plurality of frequency band ranges such as WIFI2.4G/WIFI5G/FDD/TDD/N77/N78/N79, and the requirements of the multi-frequency and corresponding operation bandwidth of the communication system are met.
Specifically, the power feed line 4 is located on the same side of the dielectric substrate 1 as the second radiator 3, and a second metallized via 12 is provided in the dielectric substrate 1, and the power feed line 4 is electrically connected to the first radiator 2 through the second metallized via 12. When the PCB antenna 100 is installed in an electronic device such as a mobile phone, a tablet computer, an electronic book, a router, a notebook computer, etc., one side of the PCB antenna 100 may be attached to a circuit board 200 in the electronic device. In this embodiment, the side where the second radiator 3 is located may be taken as the mounting side, and since the side of the second radiator 3 is closer to the circuit board 200 of the electronic device during mounting, the feeder line 4 is located on the same side as the second radiator 3, so that the feeder line 4 is connected to the feeder port on the circuit board 200, thereby improving the convenience of mounting and saving the wiring space. The second metallized via 12 and the first metallized via 11 may have the same structure, and will not be described herein.
Of course, the ground terminal 5 may also be located on the same side as the feeder line 4 and the second radiator 3, so that the ground terminal 5 is connected to the circuit board 200 of the electronic device.
Specifically, the tuning unit 6 includes a first tuning element 61, and both ends of the first tuning element 61 are electrically connected to the first radiator 2 and the second metallized via 12, respectively, and the first tuning element 61 and the first radiator 2 are located on the same side of the dielectric substrate 1. The first tuning element 61 can adjust the impedance slope to achieve a matching effect of the first radiator 2 and the second radiator 3. In this embodiment, the first tuning element 61 may be an inductor, and the inductor may be mounted on the dielectric substrate 1 by using a mounting technology.
Specifically, the tuning unit 6 includes a second tuning element 62, the second tuning element 62 being disposed on the dielectric substrate 1, and the second tuning element 62 and the first radiator 2 being located on the same side of the dielectric substrate 1. A third metallized via hole 13 is provided in the dielectric substrate 1, and the third metallized via hole 13 has the same structure as the first metallized via hole 11 and the second metallized via hole 12, one end of the second tuning element 62 is electrically connected to the second metallized via hole 12, and the other end of the second tuning element 62 is electrically connected to the ground terminal 5 through the third metallized via hole 13. In this embodiment, the second tuning element 62 may be a capacitor, and the second tuning element 62 may be used to tune the resonant frequency of the antenna, shift the resonant frequency of the whole antenna to a low frequency or a high frequency, and adjust the impedance of the antenna in a specific frequency band, thereby improving the antenna efficiency in the specific frequency band.
Specifically, the tuning unit 6 includes a third tuning element 63, the third tuning element 63 being disposed on the dielectric substrate 1, and the third tuning element 63 and the first radiator 2 being located on the same side of the dielectric substrate 1. A fourth metallized via 14 is provided in the dielectric substrate 1, the fourth metallized via 14 having the same structure as the third metallized via 13, one end of the third tuning element 63 is electrically connected to one end of the first tuning element 61 or the first radiator 2, and the other end of the third tuning element 63 is electrically connected to the ground terminal 5 through the fourth metallized via 14. The third tuning element 63 may be a capacitor, and the function of the third tuning element 63 may be the same as that of the second tuning element 62. In this embodiment, through the cooperation of the first tuning element 61, the second tuning element 62 and the third tuning element 63, two resonant modes generated by the PCB antenna 100 can cover the frequency band of 1.8 GHz-3.0 GHz and the frequency band of 3.0 GHz-6.5 GHz, respectively, so that the PCB antenna 100 has a wider bandwidth and has a higher radiation efficiency in the two frequency bands.
Fig. 5 is a graph of return loss of the PCB antenna 100 according to an embodiment of the present application, where the abscissa indicates frequency, the unit is GHz, and the ordinate indicates return loss, and the unit is dB, and as shown in fig. 5, two resonant modes can be generated in the frequency band of 1.8GHz to 6.5GHz, and the return loss is lower than-5 dB.
It should be noted that, by adjusting the inductance value or the capacitance value of the first tuning element 61, the second tuning element 62, and the third tuning element 63, the resonant frequency of the PCB antenna 100 may be changed, the resonant frequency of the whole antenna may be shifted to a low frequency or a high frequency, and the antenna impedance of a specific frequency band in the frequency band may be adjusted, thereby improving the antenna efficiency in the specific frequency band.
Specifically, the thickness of the dielectric substrate 1 in this embodiment is 2-5 mm, preferably 3-4 mm, and the PCB antenna 100 with this size has a small overall height value, and small coverage area and space occupation, so that the PCB antenna 100 can be miniaturized, and can be applied to various scenes with limited space, and compared with the existing antenna integrated on the motherboard of the electronic device, the volume can be reduced by more than 1.5 times, and meanwhile, the requirements of multiple frequencies and corresponding operation bandwidths of the communication system can be satisfied.
Specifically, in order to make the dielectric substrate 1 have stable structural characteristics and reduce energy loss in the dielectric substrate 1, the material of the dielectric substrate 1 may be a high molecular polymer, such as epoxy resin, or may be ceramic.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. A PCB antenna, comprising:
the PCB antenna comprises a dielectric substrate, wherein a first metallized via hole is formed in the dielectric substrate, and the thickness of the dielectric substrate is 2-5 mm so as to reduce the coverage area of the PCB antenna;
the first radiator is arranged at one end of the dielectric substrate;
The second radiator is arranged at one end, away from the first radiator, of the dielectric substrate and is electrically connected with the first radiator through the first metallized via hole;
A feeder line provided to the dielectric substrate, the feeder line being electrically connected to the first radiator;
the grounding terminal is arranged on the dielectric substrate;
The tuning unit is arranged on the dielectric substrate, one end of the tuning unit is electrically connected with the first radiator, and the other end of the tuning unit is electrically connected with the feeder line or the grounding terminal;
The feeder line and the second radiator are positioned on the same side of the dielectric substrate;
The dielectric substrate is provided with a second metallized via hole, and the feeder line is electrically connected with the first radiator through the second metallized via hole;
The tuning unit comprises a first tuning element, two ends of the first tuning element are respectively and electrically connected with the first radiator and the second metallized via hole, and the first tuning element and the first radiator are positioned on the same side of the dielectric substrate;
The tuning unit comprises a second tuning element, the second tuning element is arranged on the dielectric substrate, and the second tuning element and the first radiator are positioned on the same side of the dielectric substrate;
And a third metallized via hole is arranged in the dielectric substrate, one end of the second tuning element is electrically connected with the second metallized via hole, and the other end of the second tuning element is electrically connected with the grounding terminal through the third metallized via hole.
2. The PCB antenna of claim 1, wherein the tuning unit comprises a third tuning element disposed on the dielectric substrate, and wherein the third tuning element and the first radiator are on a same side of the dielectric substrate;
And a fourth metallized via hole is arranged in the dielectric substrate, one end of the third tuning element is electrically connected with one end of the first tuning element or the first radiator, and the other end of the third tuning element is electrically connected with the grounding terminal through the fourth metallized via hole.
3. The PCB antenna of claim 2, wherein the first tuning element, the second tuning element, and the third tuning element are each inductive or capacitive.
4. A PCB antenna according to any of claims 1-3, characterized in that the PCB antenna covers a frequency band of 1.8 GHz-6.5 GHz.
5. A PCB antenna according to any of claims 1-3, characterized in that the first metallized via is provided with two.
6. A PCB antenna according to any of claims 1-3, wherein the dielectric substrate is made of a polymer or ceramic.
7. An electronic device comprising the PCB antenna of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210363712.4A CN114628892B (en) | 2022-04-07 | 2022-04-07 | PCB antenna and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210363712.4A CN114628892B (en) | 2022-04-07 | 2022-04-07 | PCB antenna and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114628892A CN114628892A (en) | 2022-06-14 |
| CN114628892B true CN114628892B (en) | 2024-09-03 |
Family
ID=81905846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210363712.4A Active CN114628892B (en) | 2022-04-07 | 2022-04-07 | PCB antenna and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114628892B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114843783B (en) * | 2022-07-06 | 2022-10-25 | 展讯通信（上海）有限公司 | Antenna module, antenna device and terminal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022358A (en) * | 2014-06-23 | 2014-09-03 | 北京邮电大学 | Small-size multiband antenna |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10049844A1 (en) * | 2000-10-09 | 2002-04-11 | Philips Corp Intellectual Pty | Miniaturized microwave antenna |
| CN112467387B (en) * | 2020-11-20 | 2023-02-28 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| CN113300100A (en) * | 2021-05-25 | 2021-08-24 | 内蒙古显鸿科技股份有限公司 | Tunable microstrip antenna device |
-
2022
- 2022-04-07 CN CN202210363712.4A patent/CN114628892B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022358A (en) * | 2014-06-23 | 2014-09-03 | 北京邮电大学 | Small-size multiband antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114628892A (en) | 2022-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20250096454A1 (en) | Antennaless Wireless Device | |
| US11139574B2 (en) | Antennaless wireless device | |
| US6198442B1 (en) | Multiple frequency band branch antennas for wireless communicators | |
| US6124831A (en) | Folded dual frequency band antennas for wireless communicators | |
| US6204826B1 (en) | Flat dual frequency band antennas for wireless communicators | |
| US6268831B1 (en) | Inverted-f antennas with multiple planar radiating elements and wireless communicators incorporating same | |
| US7187338B2 (en) | Antenna arrangement and module including the arrangement | |
| EP1992042B1 (en) | Multi-frequency band antenna device for radio communication terminal | |
| US6218992B1 (en) | Compact, broadband inverted-F antennas with conductive elements and wireless communicators incorporating same | |
| US5451966A (en) | Ultra-high frequency, slot coupled, low-cost antenna system | |
| US6380903B1 (en) | Antenna systems including internal planar inverted-F antennas coupled with retractable antennas and wireless communicators incorporating same | |
| US6225951B1 (en) | Antenna systems having capacitively coupled internal and retractable antennas and wireless communicators incorporating same | |
| EP1750323A1 (en) | Multi-band antenna device for radio communication terminal and radio communication terminal comprising the multi-band antenna device | |
| US8456366B2 (en) | Communications structures including antennas with separate antenna branches coupled to feed and ground conductors | |
| EP1941582B1 (en) | Multi-band antenna | |
| US6563466B2 (en) | Multi-frequency band inverted-F antennas with coupled branches and wireless communicators incorporating same | |
| WO2002082667A2 (en) | Dual band patch bowtie slot antenna structure | |
| US20080174503A1 (en) | Antenna and electronic equipment having the same | |
| KR20110122849A (en) | Antenna devices, printed circuit boards, portable electronic devices and conversion kits | |
| JP2005535239A (en) | Dual band antenna system | |
| US6697023B1 (en) | Built-in multi-band mobile phone antenna with meandering conductive portions | |
| JP3253255B2 (en) | Antenna for portable wireless device and portable wireless device using the same | |
| US20020123312A1 (en) | Antenna systems including internal planar inverted-F Antenna coupled with external radiating element and wireless communicators incorporating same | |
| CN114628892B (en) | PCB antenna and electronic equipment | |
| JP3467164B2 (en) | Inverted F antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |