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CY2DP314
Document #: 38-07550 Rev.*G
Page 6 of 10
Test Configuration
Standard test load using a differential pulse generator and
differential measurement instrument.
Supplemental Parametric Information
Pu ls e
G enerator
Z = 50 ohm
Z o = 50 o h m
VTT
VT T
R T = 50 ohm
Z o = 50 ohm
VT T
5"
5"
VTT
R T = 50 ohm
DU T
C Y 2D P 3 14
R T = 50 o h m
R T = 50 o h m
Figure 5. CY2DP314 AC Test Reference
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
1.E+07
1.E+08
Offset Frequency (Hz)
100 Hz
1 KHz
10 KHz
100 KHz
1 MHz
10 MHz
100 MHz
10 GbE Filter
Raw Phase Noise Data
Raw Data plus 10 GbE Filter
RMS Phase Jitter:
0.159 ps typical @ 156.25 MHz, 10 GbE Filter (1.875 MHz – 20 MHz)
0.175 ps typical @ 156.25 MHz, Broadband (Raw Data from 10 Hz – 20 MHz)
10 Hz
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
1.E+07
1.E+08
Offset Frequency (Hz)
100 Hz
1 KHz
10 KHz
100 KHz
1 MHz
10 MHz
100 MHz
10 GbE Filter
Raw Phase Noise Data
Raw Data plus 10 GbE Filter
RMS Phase Jitter:
0.159 ps typical @ 156.25 MHz, 10 GbE Filter (1.875 MHz – 20 MHz)
0.175 ps typical @ 156.25 MHz, Broadband (Raw Data from 10 Hz – 20 MHz)
10 Hz
Figure 6. Typical Phase-noise Characteristics at 156.25 MHz, 3.3V, Room Temperature