MK2049-01 Datasheet, PDF (9/11 Pages) Integrated Circuit Systems – Communications Clock PLL

MK2049-01
Communications Clock PLL
Input Jitter
Modulation
Frequency
(Hz)
10
20
40
100
400
1000
2000
4000
8000
10000
16000
32000
64000
Input Jitter
Magnitude
(UIp-p)
10
10
10
10
10
10
10
10
10
10
7.75
3.98
1.74
Measured Jitter Output (UIp-p)
Output Jitter
Jitter
Magnitude
Attenuation
(UIp-p)
(dB)
1.07
19.41
0.56
25.04
0.36
28.87
0.147
36.65
0.037
48.64
0.016
55.92
0.01
60.00
0.01
60.00
0.01
60.00
0.01
60.00
0.01
57.79
0.01
52.00
0.01
44.81
Table 1. Jitter results for a T1 (1.544 MHz) reference frequency, as
measured on the HP3785B (10 Hz - 40 kHz output filter).
Input Jitter
Modulation
Frequency
(Hz)
100
400
1000
2000
4000
8000
10000
16000
32000
64000
128000
192000
256000
Input Jitter
Magnitude
(UIp-p)
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
Measured Jitter Output (UIp-p)
Output Jitter
Jitter
Magnitude
Attenuation
(UIp-p)
(dB)
0.071
43.4
0.07
43.52
0.144
37.26
0.12
38.84
0.08
42.36
0.07
43.52
0.066
44.03
0.065
44.17
0.06
44.86
0.06
44.86
0.058
45.16
0.06
44.86
0.062
44.58
Table 2. Jitter results for a T3 (44.736 MHz) reference frequency, as
measured on the HP3785B (10 Hz -1.1 MHz output filter).
MDS 2049-01 J
9
Revision 040601
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