MK2049-01

Communications Clock PLL

MDS 2049-01 J

10

Revision 040601

Integrated Circuit Systems, Inc. • 525 Race Street • San Jose • CA • 95126 • (408)295-9800tel •www.icst.com

Input Jitter

Measured Jitter Output (UIp-p)

Measured Jitter Output (UIp-p)

Modulation

Input Jitter

Output Jitter

Jitter

Frequency

Magnitude

Magnitude

Attenuation

(Hz)

(UIp-p)

(UIp-p)

(dB)

20

1.5

0.018

38.42

50

1.5

0.014

40.60

100

1.5

0.01

43.52

200

1.5

0.01

43.52

500

1.5

0.007

46.62

1000

1.5

0.006

47.96

2000

1.5

0.006

47.96

5000

0.72

0.006

41.58

10000

0.36

0.006

35.56

15000

0.24

0.006

32.04

25000

0.20

0.006

30.46

50000

0.20

0.006

30.46

75000

0.20

0.006

30.46

Table 3. Jitter results for an E1 (2.048 MHz) reference frequency, as

measured on the HP3785A (100 Hz -800 kHz output filter).

Table 4. Jitter results for an E3 (34.368 MHz) reference frequency, as

measured on the HP3785A (100 Hz - 800 kHz output filter).

Input Jitter

Measured Jitter Output (UIp-p)

Measured Jitter Output (UIp-p)

Modulation

Input Jitter

Output Jitter

Jitter

Frequency

Magnitude

Magnitude

Attenuation

(Hz)

(UIp-p)

(UIp-p)

(dB)

100

1.5

0.113

22.46

200

1.5

0.094

24.06

500

1.5

0.077

25.79

1000

1.5

0.069

26.74

2000

1.5

0.07

26.62

5000

0.72

0.068

20.5

10000

0.36

0.007

34.22

15000

0.24

0.007

30.7

25000

0.2

0.007

29.12

50000

0.2

0.007

29.12

75000

0.2

0.007

29.12

100000

0.2

0.007

29.12