CN205723939U - A kind of plug-in unit antenna, plug-in unit antenna module and communication apparatus - Google Patents
A kind of plug-in unit antenna, plug-in unit antenna module and communication apparatus Download PDFInfo
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- CN205723939U CN205723939U CN201620382368.3U CN201620382368U CN205723939U CN 205723939 U CN205723939 U CN 205723939U CN 201620382368 U CN201620382368 U CN 201620382368U CN 205723939 U CN205723939 U CN 205723939U
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Abstract
A kind of plug-in unit antenna, plug-in unit antenna module and communication apparatus, plug-in unit antenna is arranged on antenna substrate, described antenna substrate has upper surface and the lower surface relative with described upper surface, it is characterized in that, described plug-in unit antenna includes being arranged at the first antenna unit of described upper surface and being arranged at the second antenna element of described lower surface；Described first antenna unit includes that multiple first main radiator, described second antenna element include multiple second main radiator；The head and the tail end of described second main radiator that the two ends portion of described first main radiator on described upper surface is adjacent with on described lower surface respectively is electrically connected by conductive via, forms " bow " font Net long wave radiation arm.Have employed " bow " font bending Wiring structure on common PCB dielectric-slab, be greatly reduced height and the volume of antenna, while ensureing antenna premium properties, achieve Miniaturization Design target.
Description
Technical field
This utility model relates to antenna technology, particularly relates to a kind of plug-in unit antenna, plug-in unit antenna module and communication apparatus.
Background technology
Along with the development of mobile communication technology, the intellectuality of electronic equipment, miniaturization, portability are pursued more and more obvious by market, and the arrangement space that antenna left for by wireless device is more and more less.In many cases, conventional antenna structure is used to be difficult to meet equipment for small size and high performance pursuit, it is therefore desirable to develop some new antenna forms so that it is on the premise of ensureing performance, to take up room the least.
At present, common pcb board carries antenna mainly the forms such as metal insert antenna, printed antenna and ceramic antenna.
Common metal plug-in unit antenna: although it is less to prohibit empty area on the required plate of metal insert antenna, but its volume occupied in three dimensions is generally large, for some compact casings and inapplicable.During additionally, there is bigger metal device around antenna, its standing wave and antenna pattern can be a greater impact, it is difficult to meet target capabilities, and this causes a definite limitation to hardware arrangement.
Printed antenna: the structure of printed antenna can be adjusted according to practical service environment, but its standing wave and antenna pattern are affected the most notable by earth plate and surrounding metal device, therefore bigger taboo paving interval is typically required to ensure its performance, compact for some housings, for the type that plate face layout is nervous, ordinary printed antenna is obvious and inapplicable.
Ceramic antenna: although the size of ceramic antenna own is minimum, but the taboo sky area taken on pcb board is the least.Additionally, for other onboard antennas, the cost of ceramic antenna is the highest, and radiation efficiency is relatively low, and it is difficult to according to practical service environment, antenna structure is adjusted.
Utility model content
This utility model purpose is to provide a kind of plug-in unit antenna, it is intended to solves traditional communication apparatus built-in aerial and takies the problem that proportional space can not be taken into account with excellent antenna performance.
This utility model provides a kind of plug-in unit antenna, it is arranged on antenna substrate, described antenna substrate has upper surface and the lower surface relative with described upper surface, and described plug-in unit antenna includes being arranged at the first antenna unit of described upper surface and being arranged at the second antenna element of described lower surface；
Wherein, described first antenna unit includes:
First main radiator, for bending type, and has multiple, and is arranged side by side；
First feed pad, connects with a first or last described first main radiator Rhizoma Nelumbinis；
First grounding parts, is connect with described first feed pad Rhizoma Nelumbinis by the ground connection cabling of adjustable track lengths；
Wherein, described second antenna element includes:
Second main radiator, for bending type, and has multiple, and is arranged side by side；The head and the tail end of described second main radiator that the two ends portion of described first main radiator on described upper surface is adjacent with on described lower surface respectively is electrically connected by conductive via, forms " bow " font Net long wave radiation arm.
Described second antenna element also includes that at least one width short-circuit piece, described short-circuit piece Rhizoma Nelumbinis are connected between described first main radiator of adjacent two, and/or Rhizoma Nelumbinis is connected between the same side end of described second main radiator of adjacent two.
Preferably, the first main radiator connect with described first feed pad Rhizoma Nelumbinis is access main radiator, the track lengths of described access main radiator is shorter than the track lengths of the first main radiator other described, and described first feed pad and described access main radiator Rhizoma Nelumbinis fall on the arrangement axis of described first main radiator after connecing.
Preferably, described second antenna element also includes that the second grounding parts, described second grounding parts and described second main radiator interval are oppositely arranged side by side.
Preferably, described first grounding parts includes with described first feed pad Rhizoma Nelumbinis connects the first ground connection cabling and described first feed pad are spaced the first relative ground pad and the second ground connection cabling connect with described first ground pad Rhizoma Nelumbinis；
Described second grounding parts include and described second main radiator the 3rd ground connection cabling that is oppositely arranged of interval and and described 3rd ground connection cabling be spaced the second ground pad being oppositely arranged；
The two ends of described 3rd ground connection cabling are electrically connected by conductive via with described first ground connection cabling and described second ground connection cabling respectively.
Preferably, described antenna substrate includes interconnective Department of Radiation and Plug Division, described Department of Radiation arranges described first main radiator, described second main radiator and described first feed pad, described Plug Division arranges described first grounding parts and the second grounding parts.
Preferably, the height of described Department of Radiation and width are less than or equal to 1mm less than or equal to 5mm, thickness.
Preferably, the cabling overall length of described " bow " font Net long wave radiation arm is more than 1/4 wavelength of predeterminated frequency.
This utility model additionally provides a kind of plug-in unit antenna module, including antenna substrate and circuit substrate, above-mentioned plug-in unit antenna is arranged on described antenna substrate, described circuit substrate offers interface, and the edge of described interface is provided with the 3rd ground pad and the second feed pad；
Described antenna substrate is plugged on described circuit substrate after interface, the first feed pad on described antenna substrate is relative solderable with the second feed pad on described circuit substrate, and the first grounding parts on described antenna substrate is relative solderable with the 3rd ground pad on described circuit substrate.
Preferably, described circuit substrate has first surface and the second surface relative with described first surface, described second feed pad and the 3rd ground pad are respectively arranged at described first surface and described second surface, and described first surface is additionally provided with the fed microstrip connect with described second feed pad Rhizoma Nelumbinis.
Preferably, described interface is opened in the corner of described circuit substrate.
This utility model additionally provides a kind of communication apparatus, above-mentioned plug-in unit antenna, or above-mentioned plug-in unit antenna module.
Above-mentioned plug-in unit antenna have employed " bow " font bending Wiring structure on common PCB dielectric-slab, is greatly reduced height and the volume of antenna, achieves Miniaturization Design target while ensureing antenna premium properties.It addition, production technology and the manufacturing cost of antenna are required the highest by this technology, there is stronger practical value.Further, between feed pad and grounding parts, introduce ground connection cabling, by regulating position and the length of this cabling, can easily regulate its input impedance in the case of not increasing antenna effective height, complete and the mating of 50 Ω microstrip lines.
The setting of above-mentioned plug-in unit antenna module antenna base pin place ground pad not only completes and the connecting of circuit substrate ground plane, and also acts the effect of fixed antenna.
Accompanying drawing explanation
Fig. 1 is the perspective structure schematic diagram of plug-in unit antenna in this utility model first embodiment；
Fig. 2 is the first antenna cellular construction schematic diagram of plug-in unit antenna shown in Fig. 1；
Fig. 3 is the second antenna unit structure schematic diagram of plug-in unit antenna shown in Fig. 1；
Fig. 4 is the first antenna cellular construction schematic diagram of plug-in unit antenna in this utility model the second embodiment；
Fig. 5 is the second antenna unit structure schematic diagram of plug-in unit antenna in this utility model the second embodiment；
Fig. 6 is the first surface structural representation of the circuit substrate of plug-in unit antenna module in this utility model preferred embodiment；
Fig. 7 is the second surface structural representation of the circuit substrate of plug-in unit antenna module in this utility model preferred embodiment；
Fig. 8 is the package assembly schematic diagram of plug-in unit antenna module in this utility model preferred embodiment；
Fig. 9 is Fig. 1, the return loss plot figure of plug-in unit antenna shown in 2 and 3；
Figure 10 is the return loss plot figure of plug-in unit antenna shown in Fig. 4 and Fig. 5.
Detailed description of the invention
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
Refer to Fig. 1 to Fig. 3, a kind of plug-in unit antenna in this utility model preferred embodiment, plug-in unit antenna is arranged on antenna substrate 10, and the material of dielectric-slab can be the conventional material such as FR-4, FR-1, PTFE, CEM-1, but it is not limited to these materials, here as a example by FR-4.Antenna substrate 10 has upper surface 11 and the lower surface 12 relative with upper surface 11, and plug-in unit antenna includes the first antenna unit 20 being arranged at upper surface 11 and is arranged at the second antenna element 30 of lower surface 12.
First antenna unit 20 includes the first main radiator the 21, first feed pad 22 and the first grounding parts 23.
First main radiator 21 is bending type, and has multiple, and spacing side by side is arranged；First feed pad 22 connects with first or last first main radiator 21 Rhizoma Nelumbinis, and the end Rhizoma Nelumbinis of first main radiator 21 at the edge i.e. arranged with spacing side by side connects；First grounding parts 23 is connect by ground connection cabling and first feed pad 22 Rhizoma Nelumbinis of adjustable track lengths.
Second antenna element 30 includes the second main radiator 31.Second main radiator 31 is bending type, and has multiple, and spacing side by side is arranged；The head and the tail end of the second main radiator 31 that the two ends portion of the first main radiator 21 on the upper surface 11 of antenna substrate 10 is adjacent with on lower surface 12 respectively is electrically connected by conductive via 40, forms " bow " font Net long wave radiation arm 50.Specifically at spatially three-dimensional " bow " font Net long wave radiation arm 50 of antenna substrate 10
Plug-in unit antenna have employed " bow " font bending Wiring structure on common PCB dielectric-slab, is greatly reduced height and the volume of antenna, achieves Miniaturization Design target while ensureing antenna premium properties.It addition, production technology and the manufacturing cost of antenna are required the highest by this technology, there is stronger practical value.Further, between feed pad and grounding parts, introduce ground connection cabling, by regulating position and the length of this cabling, can easily regulate its input impedance in the case of not increasing antenna effective height, complete and the mating of 50 Ω microstrip lines.
Preferably, the cabling overall length of " bow " font Net long wave radiation arm 50 is more than 1/4 λ wavelength of antenna predeterminated frequency (λ be) of predeterminated frequency, and less than 1/2 λ.The radiating element of plug-in unit antenna is printed on dielectric-slab two sides and forms planographic structure, it is made up of " bow " font bending cabling, it is connected by conductive via 40 between the adjacent traces of two sides, bending cabling overall length is between 1/4 λ is to 1/2, and cabling overall length here refers to the length from microstrip-fed access point A to radiant body (the second main radiator 31) end B.By using this " bow " font complications oscillator to replace traditional line type oscillator, add substrate media and load the miniaturization effect brought, height and the volume of antenna can be substantially reduced under conditions of ensureing that aerial radiation arm overall length is more than 1/4 λ.Achieve Miniaturization Design target.In conventional WIFI frequency range 2.4GHz～2.5GHz, the effective depth of this antenna can be contracted to 5mm (about 1/25 λ), and its size exceeding hardware PCB also can be reduced to 5mm*5mm*1mm (about 1/25 λ * 1/25 λ * 1/125 λ).
Under same size, main radiator 21 and 31 bending cabling is the closeest, and the resonant frequency of antenna can be the lowest, but the coupling effect between adjacent traces can be strengthened, and causes antenna radiation efficiency to reduce, and bandwidth of operation narrows.Therefore in view of antenna performance and the restriction of technological requirement, trace width, typically between 0.3mm～0.6mm, specifically can be adjusted as required, and adjusting trace width can be finely adjusted antenna impedance simultaneously.
Second antenna element 30 also includes that the second grounding parts 32, the second grounding parts 32 and the second main radiator 31 are spaced and are oppositely arranged side by side.Specifically, the first grounding parts 23 includes with the first feed pad 22 Rhizoma Nelumbinis connects the first ground connection cabling 231 and the first feed pad 22 are spaced the first relative ground pad 232 and the second ground connection cabling 233 connect with the first ground pad 232 Rhizoma Nelumbinis；Second grounding parts 32 include and the second main radiator 31 the 3rd ground connection cabling 321 of being oppositely arranged of interval and and the 3rd ground connection cabling 321 be spaced the second ground pad 322 being oppositely arranged；The two ends of the 3rd ground connection cabling 321 are electrically connected by conductive via 40 with the first ground connection cabling 231 and the second ground connection cabling 233 respectively.
For the ease of tuning, this plug-in unit antenna have employed the principle of PIFA antenna, first feed pad 22 is provided with microstrip-fed some A, near microstrip-fed some A, draw the ground pad (the first ground pad 232) that one article of ground connection cabling (first ground connection cabling the 231, second ground connection cabling 233 and the 3rd ground connection cabling 321) is connected on pin, be connected eventually through the ground plane being welded in by the circuit substrate of this plug-in unit antenna grafting.For plug-in unit antenna, its input impedance can change along with the change around using environment, is especially affected significantly by bigger metal device around the ground plane shape on circuit substrate and antenna.
For a fixing use environment, the plug-in unit antenna that this programme proposes can be very easily by adjusting access point position and the input impedance of track lengths (herein referring to from access point C to the length of end D) regulation antenna of ground connection cabling so that it is matches with 50 Ω microstrip lines.Additionally, this ground connection cabling be arranged on raising antenna performance while, do not increase the effective depth of antenna, but take full advantage of the space (i.e. the thickness of antenna substrate 10) on pin, it is achieved that Miniaturization Design.
Ground connection cabling in comparison diagram 1 to Fig. 3 example and the ground connection cabling of Fig. 4 and Fig. 5, the first ground connection cabling 231 in Fig. 1 to Fig. 3 example is to draw from the lower end of the first feed pad 22, the first ground connection cabling 231 in Fig. 4 and Fig. 5 is to draw from the upper end of the first feed pad 22, Comparatively speaking, make the 3rd ground connection cabling 321 in Fig. 1 to Fig. 3 example short compared with the 3rd ground connection cabling 321 in Fig. 4 and Fig. 5, the overall length of the ground connection cabling in i.e. Fig. 1 to Fig. 3 example total length of ground connection cabling than Fig. 4 and Fig. 5, it is achieved the length-adjustable purpose of ground connection cabling.
In the present embodiment, antenna substrate 10 includes interconnective Department of Radiation 13 and Plug Division 14, and Department of Radiation 13 arranges the first main radiator the 21, second main radiator 31 and the first feed pad 22, and Plug Division 14 arranges the first grounding parts 23 and the second grounding parts 32.
Plug-in unit antenna in embodiment all as a example by 2.4～2.45GHz, other frequency ranges in this way, antenna size can be scaled.Refer to Fig. 3, the height of Department of Radiation 13 and width and be less than or equal to 1mm less than or equal to 5mm, thickness.That is, antenna substrate 10 is spliced by two size cuboid.Department of Radiation 13 is the cuboid of 5mm*5mm*1mm, and Plug Division 14 is the cuboid of 3mm*2.5mm*1mm.Referring to Fig. 8, the top half of antenna substrate 10 is the Net long wave radiation arm 50 that plug-in unit antenna exposes circuit substrate 100, and height is 5mm (about 1/25 wavelength)；The latter half of antenna substrate 10 is the pin that plug-in unit antenna is inserted on circuit substrate 100, and height is 2.5mm.It is particularly suitable for housing compact, uses above the type of Antenna Design limited space.Compared with common onboard printed antenna, the taboo paving needed for the plug-in unit antenna of this programme is long-pending is only 3.5mm*5mm, greatly reduces the pressure of hardware fabric swatch；Compared with ceramic antenna, the not only required taboo paving of the plug-in unit antenna of this programme is long-pending less, and the requirement to technique and cost is relatively low, and practicality is stronger.
Additionally, the first main radiator 21 connect with the first feed pad 22 Rhizoma Nelumbinis is access main radiator 210, the track lengths accessing main radiator 210 is shorter than the track lengths of other the first main radiator 21, and the first feed pad 22 falls on the arrangement axis of the first main radiator 21 after connecing with access main radiator 210 Rhizoma Nelumbinis.And it practice, in the present embodiment, first main radiator the 21, first feed pad 22 and the first ground pad 232 are that coaxial line interval is arranged side by side, second main radiator the 31, second ground pad 322 is also that coaxial line interval is arranged side by side.
In another preferred embodiment, the second antenna element 30 also includes that at least one width short-circuit piece 33, short-circuit piece 33 Rhizoma Nelumbinis are connected between adjacent two the first main radiator 21, and/or Rhizoma Nelumbinis is connected between adjacent two the second main radiator 31.Specifically Rhizoma Nelumbinis is connected between the same side end of adjacent two the first main radiator 21, and/or Rhizoma Nelumbinis is connected between the same side end of adjacent two the second main radiator 31.Referring to Fig. 1 to Fig. 3, short-circuit piece 33 is a width, is connected between the same side end of two the second main radiator 31.
Refer to Fig. 4 and Fig. 5, short-circuit piece 33 is two width, one width is connected between first second main radiator 31 and a side end of second the second main radiator 31, and another width is connected between first 3rd the second main radiator 31 and the end side of the 4th the second main radiator 31.
This programme introduces short-circuit piece 33 in the appropriate location of plug-in unit antenna bending cabling, this resonant frequency being possible not only to regulate antenna, but also is added bandwidth of operation and the radiation efficiency of antenna by the method for Enhanced Radiation Reduced Blast cell surface CURRENT DISTRIBUTION area.The introducing of short-circuit piece 33 can make the resonant frequency of antenna toward high frequency offset, and introduce short-circuit piece more than 33, its access point E the most down (i.e. the closer to feed end), then frequency shift (FS) is the most obvious.Due to size limitation, this employing bending cabling realizes the antenna of miniaturization and is difficult to by change self structure so that resonant frequency falls just near target frequency bands, in position introduces short-circuit piece 33 and then can preferably resolve this problem.In general, the short-circuit piece of introducing is the most, short-circuit piece access point can rely on this method more toward high frequency offset the closer to feed end, the resonant frequency of antenna, can regulate the resonant frequency of antenna easily in the case of not changing bending Wiring structure.
Refer to Fig. 6 to 8, a kind of plug-in unit antenna module, including antenna substrate 10 with for arranging the circuit substrate 100 of component, above-mentioned plug-in unit antenna is arranged on antenna substrate 10, offer interface 101 on circuit substrate 100, and be provided with the 3rd ground pad 102 and the second feed pad 103 in the edge of interface 101；The Plug Division 14 of antenna substrate 10 is plugged on circuit substrate 100 after interface 101, the first feed pad 22 on antenna substrate 10 is relative solderable with the second feed pad 103 on circuit substrate 100, and the first grounding parts 23 (the specifically first ground pad 232) and/or the second grounding parts 32 (the specifically first ground pad 322) on antenna substrate 10 are relative solderable with the 3rd ground pad 102 on circuit substrate 100.
Preferably, interface 101 is opened in the corner of circuit substrate 100.This antenna is placed on the corner of circuit substrate 100 and uses, and now can obtain preferable standing wave performance；If being located in the middle use of pcb board, then the more difficult regulation of the standing wave of antenna, and bandwidth of operation can narrow.
Preferably, circuit substrate 100 has first surface 110 and the second surface 120 relative with first surface 110, second feed pad 103 and the 3rd ground pad 102 are respectively arranged at first surface 110 and second surface 120, and first surface 110 is additionally provided with the fed microstrip 104 connect with the second feed pad 103 Rhizoma Nelumbinis.Plug-in unit antenna in this programme have employed the mode of two-sided welding, i.e. carry out the microstrip-fed welding of 50 Ω in circuit substrate 100 front, carry out the fixing welding of ground connection at circuit substrate 100 back side, antenna substrate 10 and circuit substrate 100 are provided with corresponding feed pad and ground pad.
In order to reality is easy to process, insulation and anti-oxidation effect can be played at region overlay one layer insulating in addition to feed pad and ground pad in plug-in unit antenna substrate 10 surface.
The size of this example antenna is only recommended size, specifically can revise according to practical situation, and emphasis is mainly: use bending cabling and coated by dielectric to realize the miniaturization of antenna；The input impedance of antenna is regulated by changing arranging of ground connection cabling；The resonant frequency of antenna is regulated by introducing short-circuit piece 33 at correct position.In general, the effective depth of plug-in unit antenna is the highest, and its bandwidth of operation can be the widest, and radiation efficiency also can increased, and therefore can regulate the structure of antenna according to the design space that actual type is reserved.
For 2.4G WIFI frequency range, the effective depth of this plug-in unit antenna can be contracted to 5mm (about 1/25 λ), and now its bandwidth of operation is at about 80MHz, as shown in Fig. 1 to Fig. 3 example antenna, sees Fig. 9.But the size of this example is merely to illustrate that the limit miniaturization effect of this antenna, the actually effective depth of plug-in unit antenna are the highest, and its bandwidth of operation can be the widest, and radiation efficiency also can increased.Therefore, during actual engineering design, structure and the effective depth of antenna can be regulated to the space that antenna is reserved according to target type.
In order to illustrate to increase the effect of optimization that the effective depth of antenna can be brought to radiance, (effective depth is 8mm to this give Fig. 4 and Fig. 5 example antenna, it is about 1/15 λ), Fig. 1 to Fig. 3 example antenna one is replaced to be plugged on circuit substrate 100 on this antenna two, its standing wave performance is shown in Figure 10, now the bandwidth of operation of this antenna is about 260M, 3 times of about Fig. 4 and Fig. 5 example antenna.When designing this miniaturization PCB plug-in unit antenna the most in practice, antenna height can be strengthened in the range of conditions permit, to improve its radiance as far as possible.
Additionally, also disclose a kind of communication apparatus, above-mentioned plug-in unit antenna, or above-mentioned plug-in unit antenna module.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (11)
1. a plug-in unit antenna, it is arranged on antenna substrate, described antenna substrate has upper surface and the lower surface relative with described upper surface, it is characterised in that described plug-in unit antenna includes being arranged at the first antenna unit of described upper surface and being arranged at the second antenna element of described lower surface；
Wherein, described first antenna unit includes:
First main radiator, for bending type, and has multiple, and is arranged side by side；
First feed pad, connects with a first or last described first main radiator Rhizoma Nelumbinis；
First grounding parts, is connect with described first feed pad Rhizoma Nelumbinis by the ground connection cabling of adjustable track lengths；
Wherein, described second antenna element includes:
Second main radiator, for bending type, and has multiple, and is arranged side by side；The head and the tail end of described second main radiator that the two ends portion of described first main radiator on described upper surface is adjacent with on described lower surface respectively is electrically connected by conductive via, forms " bow " font Net long wave radiation arm.
2. plug-in unit antenna as claimed in claim 1, it is characterized in that, described second antenna element also includes that at least one width short-circuit piece, described short-circuit piece Rhizoma Nelumbinis are connected between described first main radiator of adjacent two, and/or Rhizoma Nelumbinis is connected between described second main radiator of adjacent two.
3. plug-in unit antenna as claimed in claim 1 or 2, it is characterized in that, the first main radiator connect with described first feed pad Rhizoma Nelumbinis is access main radiator, the track lengths of described access main radiator is shorter than the track lengths of the first main radiator other described, and described first feed pad and described access main radiator Rhizoma Nelumbinis fall on the arrangement axis of described first main radiator after connecing.
4. plug-in unit antenna as claimed in claim 1 or 2, it is characterised in that described second antenna element also includes that the second grounding parts, described second grounding parts and described second main radiator interval are oppositely arranged side by side.
5. plug-in unit antenna as claimed in claim 4, it is characterized in that, described first grounding parts includes with described first feed pad Rhizoma Nelumbinis connects the first ground connection cabling and described first feed pad are spaced the first relative ground pad and the second ground connection cabling connect with described first ground pad Rhizoma Nelumbinis；
Described second grounding parts include and described second main radiator the 3rd ground connection cabling that is oppositely arranged of interval and and described 3rd ground connection cabling be spaced the second ground pad being oppositely arranged；
The two ends of described 3rd ground connection cabling are electrically connected by conductive via with described first ground connection cabling and described second ground connection cabling respectively.
6. plug-in unit antenna as claimed in claim 4, it is characterized in that, described antenna substrate includes interconnective Department of Radiation and Plug Division, described first main radiator, described second main radiator and described first feed pad are set on described Department of Radiation, described Plug Division arranges described first grounding parts and the second grounding parts.
7. plug-in unit antenna as claimed in claim 1 or 2, it is characterised in that the cabling overall length of described " bow " font Net long wave radiation arm is more than 1/4 wavelength of predeterminated frequency.
8. a plug-in unit antenna module, including antenna substrate and circuit substrate, it is characterized in that, plug-in unit antenna described in any one of claim 1 to 7 is arranged on described antenna substrate, offer interface on described circuit substrate, and the edge of described interface is provided with the 3rd ground pad and the second feed pad；
Described antenna substrate is plugged on described circuit substrate after interface, the first feed pad on described antenna substrate is relative solderable with the second feed pad on described circuit substrate, and the first grounding parts on described antenna substrate is relative solderable with the 3rd ground pad on described circuit substrate.
9. plug-in unit antenna module as claimed in claim 8, it is characterized in that, described circuit substrate has first surface and the second surface relative with described first surface, described second feed pad and the 3rd ground pad are respectively arranged at described first surface and described second surface, and described first surface is additionally provided with the fed microstrip connect with described second feed pad Rhizoma Nelumbinis.
10. plug-in unit antenna module as claimed in claim 8, it is characterised in that described interface is opened in the corner of described circuit substrate.
11. 1 kinds of communication apparatus, it is characterised in that include the plug-in unit antenna described in any one of claim 1 to 7, or the plug-in unit antenna module described in any one of claim 8 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382368.3U CN205723939U (en) | 2016-04-29 | 2016-04-29 | A kind of plug-in unit antenna, plug-in unit antenna module and communication apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382368.3U CN205723939U (en) | 2016-04-29 | 2016-04-29 | A kind of plug-in unit antenna, plug-in unit antenna module and communication apparatus |
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| CN205723939U true CN205723939U (en) | 2016-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811100A (en) * | 2016-04-29 | 2016-07-27 | 普联技术有限公司 | Plug-in antenna, plug-in antenna assembly and communication equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811100A (en) * | 2016-04-29 | 2016-07-27 | 普联技术有限公司 | Plug-in antenna, plug-in antenna assembly and communication equipment |
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