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樓主 |
發表於 2009-5-24 19:41:10
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Dear sir :9 P( [. d0 \9 M' y$ l1 i- o
Thanks your reply.( H' F2 Q# {# `$ L9 g: ?
To confirm again ,
: N0 `6 j0 r2 m0 \; A( Y 1. It means when I measure use Spectrum Analyser I need to set
2 V3 @" ` T' W2 w' b RBW=200Khz start=2Mhz stop=50Mhz,
$ L& _( x* E5 ?" q8 n if measured power level >-30dBm then it's fail , <-30dBm it's pass.
' X* J- k5 b; ~# h Right ?
2 }3 C9 e u: |2 t% X- _: j% x0 Y1 ]/ ^
2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.
/ a. c# p9 [2 c/ | If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm) W/ @& D4 o0 y/ Y* E: @4 [
and unit also different.
" ?: A* M9 t: \/ X9 |) Y( M I don't know which part is wrong ?
* z% L. X& Z/ Z+ G+ s) B4 Z2 H/ w4 a+ N4 p6 f6 e4 ?
Thanks. |
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