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樓主 |
發表於 2009-5-24 19:41:10
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Dear sir :# e2 V1 Z) S \' e. Q6 H
Thanks your reply.5 J: j6 [+ Y8 }" x' |
To confirm again ,
0 p; {9 M5 U' J' {4 N+ g 1. It means when I measure use Spectrum Analyser I need to set + i- v* J9 q0 x* Q# E" D
RBW=200Khz start=2Mhz stop=50Mhz,% a* E: W7 [2 ^) I: f S; H* ~% |
if measured power level >-30dBm then it's fail , <-30dBm it's pass.
' e6 ` l+ [+ ? Right ?
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2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.9 F! e( h7 ~) y- [0 r- ^
If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm
& b4 u9 ?5 n: h- E& | and unit also different.
- x6 q+ k5 l! M8 L3 I; z/ `* ] I don't know which part is wrong ?' G5 J- _" u% h( b# c1 J, A
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Thanks. |
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