LMK04803B的Datasheet里:
f=245.76MHz,Offset=1KHz,-122.5dbc/Hz
Offset=10KHz,-132.9dbc/Hz
我自己用LMK04803B做了1块时钟板,生成的时钟是LVPECL格式,用Agilent的EXA N9010A作为测试仪器,测得的结果如下:
f=400MHz,-10dbm
f=400MHz +/- 2.5KHz,-80dbm
那么,我的时钟质量与LMK04803B的Datasheet给出的数据相比,差距有多大呢?
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