ICS849N202I Datasheet, PDF (20/39 Pages) Integrated Device Technology – FemtoClock® NG Universal Frequency Translator

ICS849N202I Data Sheet
Parameter Measurement Information, continued
FemtoClock® NG Universal Frequency Translator
Phase Noise Plot
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under Curve Defined by the Offset Frequency Markers
RMS Phase Jitter
nQx
Qx
nQy
Qy
t sk(o)
Output Skew
nQx
Qx
tcycle n
➤
tcycle n+1
➤
| | tjit(cc) = tcycle n – tcycle n+1
1000 Cycles
Cycle-to-Cycle Jitter
V_OH
V_REF
1σ contains 68.26% of all measurements
V_OL
2σ contains 95.4% of all measurements
3σ contains 99.73% of all measurements
4σ contains 99.99366% of all measurements
6σ contains (100-1.973x10^-7)% of all measurements
Reference Point
(Trigger Edge)
Histogram
Mean Period
(First edge after trigger)
Period Jitter
nQx
20%
Qx
80%
t_R
80%
t_F
V_OD
20%
nQx
20%
Qx
80%
t_R
80%
t_F
V_{SW I N G}
20%
LVDS Output Rise/Fall Time
ICS849N202CKI REVISION A SEPTEMBER 26, 2011
LVPECL Output Rise/Fall Time
20
©2011 Integrated Device Technology, Inc.