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| ICS8440258-46 Datasheet, PDF (7/16 Pages) Integrated Device Technology – FEMTOCLOCK™ CRYSTAL/LVCMOS-TOLVDS/LVCMOS FREQUENCY SYNTHESIZER | |||
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ICS8440258-46
FEMTOCLOCK⢠CRYSTAL/LVCMOS-TO-LVDS/ LVCMOS FREQUENCY SYNTHESIZER
PRELIMINARY
Phase Noise Plot
Phase Noise Mask
f1 Offset Frequency f2
RMS Jitter = Area Under the Masked Phase Noise Plot
RMS PHASE JITTER
nQ0:nQ3
Q0:Q3
t PW
t
PERIOD
odc = t PW x 100%
t PERIOD
LVDS OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
Q4:Q7
t PW
V
DDO
2
t
PERIOD
odc = t PW x 100%
t PERIOD
LVCMOS OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
IDT⢠/ ICS⢠LVDS/LVCMOS FREQUENCY SYNTHESIZER
7
ICS8440258AK-46 REV B JANUARY 15, 2008
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