Datasheet

3.1 Jitter Transfer
Figure 3-1 and Figure 3-2 show jitter transfer for 2.048MHz-to-1.544MHz conversions and vice versa.
Figure 3-1. Nominal Jitter Transfer for 2.048MHz-to-1.544MHz Conversion
2
1.8
JITTER GAIN (ns/ns)
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0 10 20 70 30 40 50 60 80
JITTER FREQUENCY (kHz)
NOTE: THE TYPICAL PEAK JITTER GAIN OF THE DS21600/DS21602/DS21604 IS ABOUT 1.6 FOR CONVERSION FROM T1
TO E1. THE TYPICAL PEAK-JITTER GAIN OF THE LEVEL ONE DEVICE IS ABOUT 1.1. HOWEVER, THE JITTER GAIN FOR
THE DS21600/DS21602/DS21604 PEAKS IN THE 4kHz TO 8kHz RANGE, WHEREAS THE PEAK JITTER GAIN FOR THE
LXP6XX DEVICES SPANS A GREATER FREQUENCY RANGE (20kHz TO 40kHz).
5 of 12