求教FCC发射测试问题

epst

  我有一台主频是915MHz的发射音响，现在想做FCC辐射测试，但我对FCC的限值不熟悉，请问高手们限值是不是基波94dBuV(AV值),谐波限值54dBuV(AV值),杂波限值30～88MHz:40dBuV(QP值),88～216:43.5dBuV(QP值),216～960MHz:46dBuV(QP值),960MHz以上：54dBuV(QP值)，谢谢各位指导！

zhongting

看看FCC PART 15 - RADIO FREQUENCY DEVICES

zhongting

Section 15.243 Operation in the band 890 - 940 MHz.
(a) Operation under the provisions of this Section is restricted to devices that use radio frequency
energy to measure the characteristics of a material. Devices operated pursuant to the provisions of this
Section shall not be used for voice communications or the transmission of any other type of message.
(b) The field strength of any emissions radiated within the specified frequency band shall not
exceed 500 microvolts/meter at 30 meters. The emission limit in this paragraph is based on measurement
instrumentation employing an average detector. The provisions in Section 15.35 for limiting peak
emissions apply.
(c) The field strength of emissions radiated on any frequency outside of the specified band shall
not exceed the general radiated emission limits in Section 15.209.
(d) The device shall be self-contained with no external or readily accessible controls which may
be adjusted to permit operation in a manner inconsistent with the provisions in this Section. Any antenna
that may be used with the device shall be permanently attached thereto and shall not be readily modifiable
by the user.

epst

本人就是因为看不明白FCC PART 15标准，所以才请教大家都。针对2楼的说法，本人觉得因该依据FCC PART 15标准中Section 15.249中的限值而不是15.245吧。
另外跳频跟DSS调制技术对测试要求有什么区别啊，对接受机的宽带等设置又有什么要求呢，请高手吗发表一下，谢谢了！[p:1]