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3#

樓主 |
發表於 2009-5-24 19:41:10
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只看該作者
Dear sir :
$ A! U% D& R, t o1 X Thanks your reply.3 Q: R+ n: ^/ C6 [ }
To confirm again ,
. u: A' m* X) i! d7 f, ? 1. It means when I measure use Spectrum Analyser I need to set
& Z3 D7 [$ _1 I; c, l: Y5 V8 @8 x RBW=200Khz start=2Mhz stop=50Mhz,
1 v% q( c' ~" A b; i7 v" d0 M if measured power level >-30dBm then it's fail , <-30dBm it's pass.
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2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why. K3 l. S! n" i3 \
If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm
6 K" I/ C, E7 ~ and unit also different.( x0 y! K! z- R+ H9 e( K3 u4 L
I don't know which part is wrong ?4 G, d5 |9 f( K5 j4 L
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Thanks. |
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