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Making Measurements
Measuring Extended Jitter
Measuring Extended Jitter
Description:
Extended Jitter measurements are made at the upper end of the standard wander
Option 200 is
frequency range and the lower end of the standard jitter frequency range.
required for Jitter
When
measurements.
provided. Cumulative and Short Term results of Jitter Amplitude and Jitter Hits are
provided on the
Extended range receiver measurement bandwidth.
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is chosen (on the Receiver Input Jitter page) Jitter results are
EXTENDED
JITTER
RESULTS
Bit
F
L
Rate
Range
lower
(kb/s)
3dB
point
1544
256
0.15
2048
256
0.15
8448
256
0.15
34368
256
0.15
44736
256
0.15
51840
64
0.15
139264
256
0.15
155520
64
0.15
622080
256
0.15
2488320
1024
0.15
*
The measurement accuracy is specified between F
only.
**
Nominal value.
display. The following Table gives the
Jitter measurement bandwidth
(Hz)
F
F
MIN
MAX
(Hz)
(kHz)
**
1
0.2
1
0.2
1
0.2
1
2
1
5
1
20
1
5
1
20
1
20
1
20
MIN
*
F
U
(kHz)
upper
3dB
point
0.25
0.25
0.625
2.5
6.25
25
6.25
25
25
25
and F
MAX
131
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