请教落地设备

emc000

  我想问下在FCC Part 15,EN55022,EN55014法规里面，落地设备离地高度到底有没区别，分别是多少呢？谢谢！

wailandli

引用第0楼emc000于2008-11-20 21:14发表的“请教落地设备”:
  我想问下在FCC Part 15,EN55022,EN55014法规里面，落地设备离地高度到底有没区别，分别是多少呢？谢谢！

稍微整了一下，你可以看看

1. fcc part 15  ,C63.4

6.2.2 Floor-standing equipment tests Where a floor-standing EUT is typically installed with its base in direct electrical contact with, or connectedto, a grounded metal floor or grid, the EUT shall be connected to, or placed directly on, the test site (or turn-table) reference groundplane in a manner representative of this contact or connection.Where a floor-standing equipment is not typically installed with its base in direct electrical contact with, orconnected to, a metal floor or grid, the EUT shall not be placed in direct electrical contact with the test site(or turntable) reference groundplane. If necessary to prevent direct metallic contact of the EUT and the refer-ence groundplane, insulating material (up to 12 mm thick) shall be placed under the EUT.

2.EN 55022

8.3.2 Floor-standing arrangement
The EUT shall be placed on the horizontal ground reference plane, orientated for normal use, but separated from metallic contact with the ground reference plane by up to 15 cm of insulation.

3.EN55014

he equipment shall be placed on a horizontal metal ground plane (the reference groundplane), but isolated from it by a non-metallic support (such as a pallet) of 0,1 m  25 % inheight;


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emc000

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很感激，愁我好几天，呵呵！