参数资料
型号: FXO-HC728-40
厂商: Fox Electronics
文件页数: 4/14页
文件大小: 0K
描述: OSC 40 MHZ 2.5V HCMOS SMD
标准包装: 1
系列: FXO-HC72, XPRESSO
类型: XO(标准)
频率: 40MHz
功能: 三态(输出启用)
输出: HCMOS
电源电压: 2.5V
频率稳定性: ±20ppm
工作温度: -20°C ~ 70°C
电流 - 电源(最大): 25mA
安装类型: 表面贴装
尺寸/尺寸: 0.295" L x 0.205" W(7.50mm x 5.20mm)
高度: 0.055"(1.40mm)
封装/外壳: 6-SMD,无引线(DFN,LCC)
包装: 剪切带 (CT)
FXO-HC72 Series
Phase Noise
0 dBc
-10dBc
-20dBc
-30dBc
-40dBc
2.5V Phase Noise Graphs
(dBc / Hz) vs. offset frequency
-50dBc
-60dBc
-70dBc
156.25MHz
125MHz
Data Collected using HP 3048A
Four Frequencies from Jitter Tables
62.5 MHz only to 2 MHz offset Equipment Limitation
-80dBc
-90dBc
-100dBc
62.5 MHz
-110dBc
-120dBc
-130dBc
-140dBc
-150dBc
62.5 MHz
156.25MHz
-160dBc
106.25 MHz
125MHz
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)
Frequency
62.5 MHz
106.25 MHz
125 MHz
156.25 MHz
Phase Jitter
(12kHz to 20MHz)
2.1
1.2
1.1
0.8
TIE
(Sigma of Jitter Distribution)
3.1
3.5
2.7
3.7
Units
pS RMS
pS RMS
pS RMS
pS RMS
Phase Jitter is integrated from HP3048 Phase Noise Measurement System; measured directly into 50 ohm input; V DD =2.5V.
TIE was measured on LeCroy LC684 Digital Storage Scope, directly into 50 ohm input, with Amherst M1 software; V DD = 2.5V.
Per MJSQ spec (Methodologies for Jitter and Signal Quality specifications)
Random & Deterministic Jitter Composition
Frequency
62.5 MHz
106.25 MHz
125 MHz
156.25 MHz
Random (Rj)
(pS RMS)
1.3
1.4
1.3
1.4
Deterministic (Dj)
(pS P-P)
8.4
8.3
6.7
9.7
Total Jitter (Tj)
(14 x Rj) + Dj
27.6 pS
27.7 pS
25.6 pS
29.5 pS
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)
Page 4 of 14
? 2008 FOX ELECTRONICS | ISO9001:2000 Certified
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