Novel miniature double-sided printed dual-band broadband terminal antenna
A technology for double-sided printing and terminal antennas, which is applied to antennas, antenna supports/mounting devices, and devices that enable antennas to work in different bands at the same time, and can solve problems such as inappropriate use of inverted F antennas and decreased bandwidth gain, and achieve Simple structure, lower Q value, stable gain effect
Pending Publication Date: 2018-07-24
NANJING HOWKING COMM TECH
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Problems solved by technology
[0003] Traditional inverted-F antennas are widely used in various terminal communication devices. In order to make the antenna work in a specific frequency band and achieve impedance matching, a certain headroom is required, and the trend of miniaturization has made the inverted-F antenna less and less suitable for use in used in terminal equipment
The planar inverted F antenna can solve the problem of headroom height, but in order to achieve miniaturization, it is necessary to bend the antenna oscillator. Too much bending causes most of the currents on the antenna oscillator to be opposite, and the far-field radiation cancels out. Both bandwidth and gain will be greatly reduced
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[0026] Such as Figure 1-7 As shown, the present invention discloses that the present invention provides a novel miniaturized double-sided printed dual-band broadband terminal antenna, including a first metal sheet 1, a second metal sheet 2, a slot 3, a first L-shaped metal sheet 4, The second L-shaped metal sheet 5, the feed unit 6, and the balanced feed structure 7, the first metal sheet 1, the second metal sheet 2, the slot 3, the first L-shaped metal sheet 4, and the second L-shaped metal sheet 5 are located on the upper surface of the dielectric substrate 8, the balanced feed structure 7 is located on the lower surface of the dielectric substrate 8, the second metal sheet 2 is electrically connected to the middle of the upper edge of the first metal sheet 1, and the slot 3 is located on the second metal sheet 2, the end of the slot 3 away from the first metal sheet 1 is an open structure, the first L-shaped metal sheet 4 and the second L-shaped metal sheet 5 are symmetric...
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The invention relates to the technical field of antennas and in particular relates to a novel miniature double-sided printed dual-band broadband terminal antenna. The broadband terminal antenna comprises a first sheet metal, a second sheet metal, a slotted hole, a first L-shaped sheet metal, a second L-shaped sheet metal, a feed unit and a balance feed structure, wherein the first sheet metal, thesecond sheet metal, the slotted hole, the first L-shaped sheet metal and the second L-shaped sheet metal are positioned on the upper surface of a dielectric substrate; the balance feed structure is positioned on the lower surface of the dielectric substrate; the second sheet metal is electrically connected to a middle position on an upper edge of the first sheet metal; the slotted hole is positioned at a middle position of the second sheet metal; one end, which is far away from the first sheet metal, of the slotted hole is of an open structure; the first sheet metal feeds the balance feed structure by virtue of the feed unit. The antenna disclosed by the invention is applicable to a miniature terminal of small remote control equipment, can operate in two working frequency ranges of 1.74-1.89GHz and 2.4-2.844GHz and can meet bandwidth requirements and obtain steady gain.
Description
technical field [0001] The invention relates to the technical field of antennas, in particular to a novel miniaturized double-sided printed dual-band broadband terminal antenna. Background technique [0002] With the continuous development of communication technology, the trend of miniaturization is unstoppable, but at the same time, the design space left for the communication antenna is getting smaller and smaller, and the highly integrated equipment makes the coupling and interference between the antenna and other devices become increasingly Seriously, how to ensure antenna performance in a limited space has become a research hotspot. [0003] Traditional inverted-F antennas are widely used in various terminal communication devices. In order to make the antenna work in a specific frequency band and achieve impedance matching, a certain headroom is required, and the trend of miniaturization has made the inverted-F antenna less and less suitable for used in terminal equipme...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01Q1/38H01Q1/22H01Q5/20H01Q5/335
CPCH01Q1/22H01Q1/38H01Q5/20H01Q5/335
Inventor 陈平童好娉朱晓维蒯振起
Owner NANJING HOWKING COMM TECH