FCC Part 15.247 for 2.4GHz(FHSS) test item & limit

howlan

  FCC part 15C 15.247 針對Frequency Hopping Spread Spectrum
的產品主要的測試項目與limit:

1.AC Power Conducted Emissions:48dBuV

2.Minimum Number of Hopping Channel:Min. 75 Channels

3.Hopping Channel Separation:Min. 25 kHz or 20dB BW Whichever is greater

4.Dwell Time on Each Channel:Max. 0.4s within 30s

5.20dB Bandwidth of a Frequency Hopping Spread Spectrum System:Max. 1 MHz

6.Maximum Peak Output Power:Max. 1 watt

7.RF EXPOSURE LIMIT:20 cm

8.Transmitter Radiated Emissions(Spurious):
30 – 88  MHz    40dBuV
88 – 216MHz   43.5dBuV
216 – 960 MHz  46.dBuV
Above 960 MHz  54dBuV

木暮

多看看标准 加上实际测试 会领悟的更深刻

henry021

理论联系实际,那样更加深刻 [s:23]  [s:23]  [s:23]

jarwei

您所發表的測試項目似乎為舊版，新版應該是2/3 20dB BW，而不是25KHz or 20dB BW