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樓主 |
發表於 2009-5-24 19:41:10
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只看該作者
Dear sir :
+ _2 M8 k, A$ _+ A Thanks your reply.
4 o+ _7 I; `+ c5 W3 y* q# | To confirm again , ; z" H2 A, u# u+ D8 b% J( g
1. It means when I measure use Spectrum Analyser I need to set & M% g! R2 Y, @7 Q: [
RBW=200Khz start=2Mhz stop=50Mhz,& |! D# C2 [$ R$ L* Y
if measured power level >-30dBm then it's fail , <-30dBm it's pass. s) I" [- R( S# y1 T
Right ?6 s; x n* n: F+ K7 B u
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2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.* w6 C* {5 Y. w& Q3 x
If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm
3 x! l& r& [* Y. _6 \9 K and unit also different.' j( x, p \- S2 P
I don't know which part is wrong ?
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Thanks. |
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