Precision Edge SY89426 Micrel, Inc. M9999-112105 hbwhelp@micrel.com or (408) 955-1690 JITTER GENERATI" />
參數(shù)資料
型號: SY89426JY
廠商: Micrel Inc
文件頁數(shù): 6/7頁
文件大?。?/td> 0K
描述: IC SYNTHESIZER CLK SONET 28-PLCC
標準包裝: 38
系列: Precision Edge®
類型: 時鐘/頻率合成器
PLL:
輸入: TTL
輸出: PECL,TTL
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 622.08MHz
除法器/乘法器: 是/無
電源電壓: 4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-LCC(J 形引線)
供應商設備封裝: 28-PLCC
包裝: 管件
6
Precision Edge
SY89426
Micrel, Inc.
M9999-112105
hbwhelp@micrel.com or (408) 955-1690
JITTER GENERATION
Jitter Generation Definition
Bellcore TR-NWT-000499 (Issue 4), section 7.3.3 "Jitter
generation is the process whereby jitter appears at the output
port of an individual unit of digital equipment in the absence of
applied input jitter."
Jitter Generation Requirement
Bellcore TA-NWT-000253 (Issue 2), section 5.6.5.2 "For
Category II interfaces, jitter generation shall not exceed 0.01
UI rms. For OC-N and STSX-N interfaces, a high-pass
measurement filter with a 12kHz cutoff frequency shall be
used." The low-pass cutoff frequency of the measurement
filter shall be higher than 5MHz.
The characteristic of the measurement filter is shown
below.
SONET OC-12 Category II Jitter Generation Measurement Filter Characteristics
Figure 1
+20dB/decade
UI (rms)
0.01
12kHz
Frequency
5MHz
(minimum)
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