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樓主 |
發表於 2009-5-24 19:41:10
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Dear sir :
, w2 \$ c+ k7 T4 ?% h p8 x Thanks your reply.9 [! k% T8 M9 h: A4 x
To confirm again ,
( T+ E+ ~, w: R' k 1. It means when I measure use Spectrum Analyser I need to set - l1 U& }1 B) D7 x: l6 @3 O
RBW=200Khz start=2Mhz stop=50Mhz,
, Q C X8 P8 d% J if measured power level >-30dBm then it's fail , <-30dBm it's pass.6 {" D1 C* u% d" K+ A
Right ?' K+ `# |# J6 t+ c |0 |( p
) D, x& V* G) p/ ~ t X 2. But my boss tell me it's need below -70dbm not -30dbm , I don't know why.
; p/ q: B6 X* _6 |& n3 I If I transfer it to dbm/hz is -83dmb/hz ,it become more severe than -70dbm8 S6 C8 Y0 e6 u1 l+ P2 [" D( S: R
and unit also different.) H: q7 H/ |) Q$ z7 o0 S/ ?
I don't know which part is wrong ?) p4 c" e2 I8 e; R. k
/ z' m1 c- ?3 ^5 _) X, Q! V Thanks. |
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