• 中文
  • Signup
  • 可靠性试验 可靠性试验 关注:209 内容:7976

    NEBS GR1089测试咨询

  • 查看作者
  • 打赏作者
  • 当前位置: 可靠性网 > 可靠性技术 > 可靠性试验 > 正文
    • 1
    • 可靠性试验
    • Lv.2

      各位好:
      请问国内哪里能做GR-1089-CORE10.7.1部分/10.7.2这两项
      10.7.1VoiceFrequencyNoiseEmissionO10-8[225]Theconductedvoicefrequencynoisemeasuredatthedcpowerportofthenetworkequipmentshouldnotexceedthefollowinglimit:whereIcisthemaximummeasuredinputcurrentoftelecommunicationsloadequipment(orgroupingoftelecommunicationsloadequipment)or1A,whicheverisgreater.NoiseemissionmeasurementsforvoicefrequencyshouldbeperformedwithanoisemeasuringsetwithC-messageweightingasspecifiedinIEEEStd.743-1995.[56]10.7.2WidebandFrequencyNoiseEmissionO10-9[226]Thewidebandfrequencynoiseatthedcpowerportofnetworkequipmentshouldnotexceedthefollowinglimit:whereIcistheratedinputcurrentor1A,whicheverisgreater.dBrnC910IClog+mVrms(inany3-kHzbandfrom10kHzto20MHz)Ic

      请登录之后再进行评论

      Log-in
      江苏拓米洛环境试验设备有限公司
      固纬电子
      赤松城_芯片测试机_自动化测试系统_可靠性测试
      精邦科技-可靠性防水测试系统
    • Publish Content
    • Current Activities
    • Preferrence
    • Tasks
    • Separated Post Sidebar Settings:Left