PEB22554 Datasheet, PDF (41/397 Pages) Siemens Semiconductor Group – ICs for Communications

PEB 22554
Functional Description E1
The jitter attenuator meets the jitter transfer requirements of the Rec. I.431 and
G.735-739 (refer to figure 12).
10
ITD10312
dB
ITU G.736 Template
FALC ^R
0
-10
-20
-30
-40
-50
-60
1
10
100
1000
10000 Hz 100000
Frequency
Figure 12
Jitter Attenuation Performance
Also the requirements of ETSI TBR12/13 will be satisfied. Insuring adequate margin
against TBR12/13 output jitter limit with 15 UI input at 20 Hz the DCO-R circuitry will start
jitter attenuation at nearly 2 Hz.
Semiconductor Group
41
09.98