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樓主 |
發表於 2009-5-24 19:41:10
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Dear sir :5 F2 ?6 ^/ i3 E7 j
Thanks your reply.* g; z4 E! X y" s/ r0 `, g
To confirm again , * `8 ?# E5 c/ A1 ^# y5 s8 m( W
1. It means when I measure use Spectrum Analyser I need to set
5 l* g/ f5 |1 t& x1 s RBW=200Khz start=2Mhz stop=50Mhz,* x9 f& `4 v5 A1 g
if measured power level >-30dBm then it's fail , <-30dBm it's pass.
/ U9 f( c& \# C' m* m Right ?
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4 t C$ A: A/ j8 U# k6 k" V 2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.; K; o/ k0 y" X. n* h- S/ {
If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm5 ]( J6 S7 I5 T. e4 W
and unit also different.. v7 l! w; r# K* T9 F. Q5 Q
I don't know which part is wrong ?
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u L# y0 ~& y2 B) [ Thanks. |
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