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樓主 |
發表於 2009-5-24 19:41:10
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Dear sir :$ M! X: V5 X4 H0 ?7 i! Y2 b
Thanks your reply.5 E0 ]4 N% n8 S2 d; S, X
To confirm again ,
1 s$ c: z6 u4 `, N1 \$ P0 i' E+ X 1. It means when I measure use Spectrum Analyser I need to set
0 e/ o7 t& s) K. v2 H" p RBW=200Khz start=2Mhz stop=50Mhz,
; H! g7 e0 c% L4 s% i" t- V if measured power level >-30dBm then it's fail , <-30dBm it's pass." Y7 K- i6 f! r; f v2 j1 u1 x
Right ?8 |0 s4 }$ U v, ~/ a& ^
* s* [, S4 L2 o5 [( W 2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.) x% q9 {6 K9 g6 e
If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm
8 K$ K% [2 n7 r# Y. z1 N and unit also different.
, J/ l$ W1 ^$ c& @& y I don't know which part is wrong ?6 V7 @& V4 q- g8 a0 V0 m* H
. n8 q% Z2 b% P$ g
Thanks. |
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