The Copper Cactus J pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance, it is easy to make and the web offer several projects and examples we have collected here below for your reference. 仙人掌模样的铜制J极天线设计是...
This calculator can be used to design a Slim Jim or a J Pole antenna. The Slim Jim, designed by the late Fred Judd, G2BCX, can be a great portable 'roll up' antenna, if made out of 300Ω or 450Ω ladder line / twin feeder. Add a loop of string to the top, and hang it ...
A compact planar J-pole antenna applied to WLAN routers and access points (AP) is presented in this paper. The proposed antenna adopts the planar J-shaped structure, which comprises a meander radiator and a matching stub. The size can be reduced by using the meander structure of the ...
If you are mounting it to a metal pole, care must be taken that the pole does not extend past (above) the aluminum angle. If it does then it will become part of the antenna. I’m also not sure how the antenna would interact with other nearby metallic objects (fence, tower, other ...
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2.0.10 抱杆 pole 用于安装天线设备的钢制圆管,管径不小于 70mm,高度不 超过 6m。 2.0.11 天线 antenna 无线电收发系统中,向空间辐射或从空间接收电磁波的装置, 迎风面积不大于 0.8m²。 2.0.12 馈线 feeder 把电磁波从发射机传到天线或从天线传到接收机所用的连接 线。 2.0.13 馈线洞 feederhole 基站...
Generate instantaneous 3D FEM quality MMIC filter designs with Prodigy, the automated filter design tool from Marki Microwave. Latest All Antennas View more products Omnidirectional 5G-NR Pole/Screw Mount Antenna from 617 to 5925 MHz 2J Antennas Download Datasheet 9-Port 5G Antennas from ...
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