
ICS843001-21
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
IDT / ICS LVPECL FREQUENCY SYNTHESIZER
8
ICS843001AG-21 REV. AMARCH 15, 2007
Parameter Measurement Information
3.3V LVPECL Output Load AC Test Circuit
RMS Phase Jitter
LVPECL Output Duty Cycle/Pulse Width/Period
3.3V LVCMOS Output Load AC Test Circuit
Propagation Delay
LVCMOS Output Duty Cycle/Pulse Width/Period
SCOPE
Qx
nQx
LVPECL
V
EE
VCC,
2V%
1.3V ± 0.165V
-
VCCA,
VCCO_PECL
Phase Noise Mask
Offset Frequency
f
1
f
2
Phase Noise Plot
RMS Jitter = Area Under the Masked Phase Noise Plot
Noise
P
o
w
er
t
PW
t
PERIOD
t
PW
t
PERIOD
odc =
x 100%
Q0
SCOPE
Qx
LVCMOS
GND
1.65V±5%
-1.65V±5%
-
VCCA,
VCC,
VCCO_CMOS
t
PD
V
CC
2
V
CCO_LVCMOS
2
REF_CLK
TEST_CLK
t
PERIOD
t
PW
t
PERIOD
odc =
x 100%
V
CCO_LVCMOS
2
t
PW
REF_CLK