參數(shù)資料
型號(hào): FXO-QC520-FREQ
廠商: FOX ELECTRONICS
元件分類: XO, clock
英文描述: CRYSTAL OSCILLATOR, CLOCK, 0.75 MHz - 1000 MHz, LVPECL OUTPUT
封裝: ROHS COMPLIANT, HERMETIC, CERAMIC PACKAGE-6
文件頁(yè)數(shù): 11/15頁(yè)
文件大?。?/td> 344K
代理商: FXO-QC520-FREQ
FXO-PC52 Series
Page 5 of 15
2008 FOX ELECTRONICS | ISO9001:2000 Certified
Jitter is frequency dependent. Below are typical values at select frequencies.
Phase Jitter is integrated from HP3048 Phase Noise Measurement System; measured directly into 50 ohm input; VDD = 2.5V
TIE was measured on LeCroy LC684 Digital Storage Scope, directly into 50 ohm input, with Amherst M1 software; VDD = 2.5V
Per MJSQ spec (Methodologies for Jitter and Signal Quality Specifications)
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)
LVPECL Phase Jitter & Time Interval Error (TIE)
Frequency
Phase Jitter
(12kHz to 20MHz)
T I E
(Sigma of Jitter Distribution)
Units
62.5 MHz
2.10
3.1
pS RMS
156.25 MHz
1.20
3.5
pS RMS
212.5 MHz
1.27
4.2
pS RMS
622.08MHz
1.68
3.7
pS RMS
LVPECL Random & Deterministic Jitter Composition
Frequency
Random (Rj)
(pS RMS)
Deterministic (Dj)
(pS P-P)
Total Jitter (Tj)
(14 x Rj) + Dj
62.5 MHz
1.35
10.5
30.5 pS
156.25 MHz
1.36
10.0
29.3 pS
212.5 MHz
1.33
11.8
30.8 pS
622.08 MHz
1.06
8.3
23.4 pS
Phase Noise
Offset Frequency
(10Hz to 40MHz)
(dBc / Hz) vs. offset frequency
2.5V Phase Noise Graph
1k
-110dBc
-120dBc
-130dBc
-150dBc
-140dBc
-160dBc
10
100
-100dBc
-60dBc
-80dBc
-90dBc
-70dBc
-40dBc
-50dBc
-30dBc
-20dBc
-10dBc
0 dBc
1M
10k
100k
10M
40M
622.08 MHz
156.25 MHz
62.5 MHz
212.5 MHz
156.25 MHz
622.08 MHz
212.5 MHz
62.5 MHz
Data Collected using HP 3048A
Four Frequencies from Jitter Tables
62.5 MHz only to 2 MHz offset Equipment Limitation
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