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3#

樓主 |
發表於 2009-5-24 19:41:10
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Dear sir :
& m, H* }5 }2 [0 D' o Thanks your reply.2 f8 A/ q2 ^7 T6 s* ]
To confirm again ,
5 h/ g# t1 Q) i0 [5 x" A 1. It means when I measure use Spectrum Analyser I need to set
; } d2 j& J! m$ q RBW=200Khz start=2Mhz stop=50Mhz,% g4 R0 q5 G# @- `' N
if measured power level >-30dBm then it's fail , <-30dBm it's pass.
+ `7 u: k& k$ N Right ?# o/ p& I4 g$ Q' [
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2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.- `* I+ `* Z8 y2 D
If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm, K# W3 c! x8 e2 t; p( b, _
and unit also different.3 @0 P; q! R5 C7 b
I don't know which part is wrong ?
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Thanks. |
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