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參數(shù)資料
| 型號： | XRT82L38 |
| 廠商： | Exar Corporation |
| 英文描述： | Octal E1/T1/J1 Line Transceiver with Clock Recovery and Jitter Attenuator(八 T1/E1/J1線收發(fā)器（帶時鐘恢復(fù)和振蕩衰減器）) |
| 中文描述： | 八進(jìn)制E1/T1/J1線收發(fā)器時鐘恢復(fù)和抖動衰減器（八的T1/E1/J1線收發(fā)器（帶時鐘恢復(fù)和振蕩衰減器）） |
| 文件頁數(shù)： | 47/54頁 |
| 文件大?。?/td> | 356K |
| 代理商： | XRT82L38 |
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XRT82L38
OCTAL E1/T1/J1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
PRELIMINARY
REV. P1.0.5
45
J
ITTER
T
OLERANCE
IN
DS1
APPLICATIONS
Input Jitter Tolerance Measurements are presented
for the following two situations.
1.
The Jitter Attenuator within the Channel-Under-
Test is disabled.
2.
The Jitter Attenuator within the Channel-Under-
Test is enabled and configured to operate in the
Receive Path.
The results of the Input Jitter Tolerance Measure-
ments are plotted in Figure 24.
N
OTES
:
1. The "Maximum Tolerable Input Jitter Amplitude"
values reflect the amount of Jitter that will cause
the XRT82L38 to experience a Bit Error Rate (BER)
of 1x10-9.
2. 64UI-pp is the maximum amount of "Input Jitter
Amplitude" that the Test Equipment used (W&G
ANT-20) can insert into the DS1 line signal.
3. Measurements were performed with 6.4dB of cable
loss inserted into the Receive Line signal (between
the ANT-20 and the Receive Input of the device).
The curve with square boxes and the curve with Tri-
angular boxes are the Jitter Tolerance Requirements
per Bellcore Category I and II GR-499-CORE (for
DS1 Applications).
Bellcore GR-499-CORE requires that the Jitter Toler-
ance Measurements always be above both curves.
The Maximum Jitter Tolerance measurements for the
XRT82L38 (for DS1 applications) is shown by the
curve marked with the Diamond boxes.
F
IGURE
24. I
NPUT
J
ITTER
T
OLERANCE
PERFORMANCE
OF
THE
XRT82L38,
FOR
DS1 A
PPLICATIONS
,
WITH
THE
J
IT
-
TER
A
TTENUATOR
D
ISABLED
DS1 Jitter Tolerance: Jitter Attenuator Disabled
0.1
1
10
100
1
10
100
1000
10000
100000
Jitter Frequency (Hz)
I
;57/ '6 -LWWHU 7ROHUDQFH
1R -$
Bellcore GR-499-CORE (Cat I): Jitter
Tolerance Requirements for DS1
Bellcore GR-499-CORE (Cat II): Jitter
Tolerance Requirements for DS1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83D10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT |
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