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參數(shù)資料
| 型號： | S3056 |
| 廠商： | Applied Micro Circuits Corp. |
| 英文描述： | Multi-Rate SONET/SDH Clock Recovery Unit(多速率SONET/SDH時鐘恢復單元) |
| 中文描述： | 多速率SONET / SDH時鐘恢復單元（多速率SONET / SDH的時鐘恢復單元） |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 152K |
| 代理商： | S3056 |
4
S3056
MULTI-RATE SONET/SDH CLOCK RECOVERY UNIT
October 31, 2000 / Revision J
Figure 3. Input Jitter Tolerance Specification
Figure 4. Jitter Transfer Specification
1. Bellcore Specifications: GR-253- CORE, Issue 2, December 1995.
2. ITU-T Recommendations: G.958.
3. Not specified in GR-253 or G.958.
f0
f1
f2
f3
ft
0.15
1.5
15
Sinusodal
Input Jitter
Amplitude
(UI p-p)
Frequency
SONET JITTER CHARACTERISTICS
Performance
The S3056 PLL complies with the jitter specifications
proposed for SONET/SDH equipment defined by the
Bellcore Specifications: GR-253-CORE, Issue 2, De-
cember 1995 and ITU-T Recommendations: G.958
document, when used as specified.
Input Jitter Tolerance
Input jitter tolerance is defined as the peak to
peak amplitude of sinusoidal jitter applied on the
input signal that causes an equivalent 1 dB opti-
cal/electrical power penalty. SONET input jitter
tolerance requirements are shown in Figure 3.
Jitter Transfer
The jitter transfer function is defined as the ratio of
jitter on the output OC-N/STS-N signal to the jitter
applied on the input OC-N/STS-N signal versus fre-
quency. Jitter transfer requirements are shown in Fig-
ure 4. The measurement condition is that input
sinusoidal jitter up to the mask level in Figure 4 be
applied.
Jitter Generation
The jitter of the serial clock and serial data outputs
shall not exceed the value specified in Table 7. when
a serial data input with no jitter is presented to the
serial data inputs. (See Table 7.)
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T
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1
H
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2
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3
H
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k
8
4
0
1
0
0
6
0
0
0
6
0
0
1
0
0
0
1
4
2
3
2
1
0
1
0
3
0
0
3
5
2
0
5
2
3
0
1
0
3
0
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3
5
5
6
S
T
2
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k
P
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8
4
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0
0
2
1
4
2
3
2
1
0
0
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1
3
0
3
1
1
fc
P
Jitter
Transfer
Frequency
Acceptable
Range
slope = -20 dB/decade
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相關代理商/技術參數(shù) |
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|---|---|
| S3056TT | 制造商:AppliedMicro 功能描述:CLOCK RECOVERY CIRCUIT, PQFP48 |
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