JITTER G
參數資料
型號: XRT73R12IB
廠商: Exar Corporation
文件頁數: 38/89頁
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 12CH 420TBGA
標準包裝: 40
類型: 線路接口裝置(LIU)
驅動器/接收器數: 12/12
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 420-LBGA 裸露焊盤
供應商設備封裝: 420-TBGA(35x35)
包裝: 托盤
XRT73R12
40
REV. 1.0.3
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
5.2.1
JITTER GENERATION
Jitter Generation is defined as the process whereby jitter appears at the output port of the digital equipment in
the absence of applied input jitter. Jitter Generation is measured by sending jitter free data to the clock and
data recovery circuit and measuring the amount of jitter on the output clock or the re-timed data. Since this is
essentially a noise measurement, it requires a definition of bandwidth to be meaningful. The bandwidth is set
according to the data rate. In general, the jitter is measured over a band of frequencies.
FIGURE 28. JITTER TRANSFER REQUIREMENTS
F 1
A 1
F 2
J
IT
T
E
R
A
M
P
L
IT
U
D
E
J IT T E R F R E Q U E N C Y (k H z )
A 2
F 3
F 4
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