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樓主 |
發表於 2009-5-24 19:41:10
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Dear sir :. `2 s$ h. P( }& T$ `3 }
Thanks your reply.: u0 [; b3 c8 G, |; w& t
To confirm again ,
: U" M9 N" ]% O' N 1. It means when I measure use Spectrum Analyser I need to set " f5 y* }3 Y4 v
RBW=200Khz start=2Mhz stop=50Mhz,$ a6 H8 l/ c& H; j J1 o
if measured power level >-30dBm then it's fail , <-30dBm it's pass.
: a& I3 z: C- Z* \, R5 @ Right ?
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2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.$ C% v u5 T/ o0 Q' c1 e/ S* t, {
If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm$ D F) D1 R( [% Z
and unit also different.
9 H. i4 ~% D/ m& G9 Y/ p$ f I don't know which part is wrong ?* _ m& I: b! ^3 G c! X
) A- b" l$ L5 C! s# v3 }+ @ Thanks. |
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