PXB4221EV34NP Infineon Technologies, PXB4221EV34NP Datasheet - Page 239
PXB4221EV34NP
Manufacturer Part Number
PXB4221EV34NP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PXB4221EV34NP.pdf
(290 pages)
Specifications of PXB4221EV34NP
Data Rate
2.048Mbps
Number Of Channels
1
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Not Compliant
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8.3.7
The aliasing effect which is inherent to the SRTS algorithm causes the jitter transfer at
681 Hz and all multiples of 681 Hz to be a copy of the jitter transfer at 0 Hz. This violates
the requirements.
The jitter attenuator removes jitter frequencies above 20 Hz. There is no aliasing and the
requirements are met.
Figure 51
Data Sheet
-10,0
-20,0
-30,0
-40,0
-50,0
-60,0
10,0
0,0
0,01
SRTS Jitter Transfer in E1 Mode
SRTS Jitter Transfer in E1 Mode without Jitter Attenuator
0,1
SRTS Jitter Transfer in E1 Mode
Frequency [Hz]
1
239
10
PXB 4219E, PXB 4220E, PXB 4221E
100
1000
Application Hints
-50 ppm
0 ppm
+50 ppm
ITU G.735
and I.431
IWE8, V3.4
2003-01-20
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