FXO-HC73 Series
Phase Noise
0 dBc
Phase Noise Graph
-10dBc
-20dBc
-30dBc
-40dBc
-50dBc
-60dBc
-70dBc
-80dBc
-90dBc
(dBc / Hz) vs. offset frequency
Data Collected using HP 3048A
Three Frequencies from Jitter Tables
156.25MHz
62.5 MHz
-100dBc
-110dBc
-120dBc
-130dBc
-140dBc
106.25 MHz
62.5 MHz
156.25MHz
106.25 MHz
-150dBc
-160dBc
10
100
1k
10k
100k
1M
10M
40M
Offset Frequency (10Hz to 40MHz)
Jitter is frequency dependent. Below are typical values at select frequencies.
Phase Jitter & Time Interval Error (TIE)
Phase Jitter
T I E
Frequency
62.5 MHz
Units
pS RMS
pS RMS
pS RMS
pS RMS
(12kHz to 20MHz)
(Sigma of Jitter Distribution)
0.93
0.86
0.75
0.77
2.8
3.2
2.7
3.3
106.25 MHz
125 MHz
156.25 MHz
Phase Jitter is integrated from HP3048 Phase Noise Measurement System; measured directly into 50 ohm input; VDD = 3.3V.
TIE was measured on LeCroy LC684 Digital Storage Scope, directly into 50 ohm input, with Amherst M1 software; VDD = 3.3V.
Per MJSQ spec (Methodologies for Jitter and Signal Quality specifications)
Random & Deterministic Jitter Composition
Total Jitter (Tj)
Random (Rj) Deterministic (Dj)
Frequency
62.5 MHz
(14 x Rj) + Dj
(pS RMS)
1.28
(pS P-P)
6.8
25.1 pS
26.6 pS
25.2 pS
26.6 pS
106.25 MHz
125 MHz
1.28
8.4
1.20
8.0
1.27
156.25 MHz
8.6
Rj and Dj, measured on LeCroy LC684 Digital Storage Scope, directly into 50 ohm input, with Amherst M1 software.
Per MJSQ spec (Methodologies for Jitter and Signal Quality specifications)
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