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Serial BERT N4906B, Data Sheet V.3
The N4906B Serial BERT
General
The N4906B serial BERT is a general-purpose bit
error ratio tester designed for testing high-speed
digital communication components and systems.
It is ideal for cost-effective manufacturing and tel-
ecom device testing.
It offers a 3.6 Gb/s or 12.5 Gb/s pattern generator
and error detector with excellent price/perform-
ance ratio.
The 12.5 Gb/s error detector can be configured
with CDR (option 102) to test clockless interfaces
and with true differential inputs to test LVDS and
other differential interfaces.
The 3.6 Gb/s error detector is equipped with true
differential inputs.
The compact size of the N4906B saves rack space
and LAN, USB and GPIB interfaces allow smooth
integration into automated test environments.
For bench users the N4906B serial BERT offers
an intuitive user interface with a state-of-the-art
Windows
®
XP based color touch-screen.
Available configurations for N4906B up to 3.6 Gb/s:
N4906B option 003: 150 Mb/s to 3.6 Gb/s;
differential analysis
Available configurations for N4906B up to 12.5 Gb/s:
N4906B option 012: 9.5 Gb/ to 12.5 Gb/s
N4906B option 101: differential analysis, fast
eye mask and enhanced measurement suite
N4906B option 102: extension to full frequen-
cy range 150 Mb/s to 12.5 Gb/s & clock data
recovery
Key values & benefits
150 Mb/s to 3.6 Gb/s (option 003) or
9.5 Gb/s to 12.5 Gb/s (option 012) pattern
generator and error detector (option 102: 150
Mb/s - 12.5 Gb/s)
Fast eye mask measurement for pass/fail test-
ing (option 101)
< 50 mV
pp
input sensitivity
Fast bit synchronization on bursted pattern
Intuitive user interface, state-of-the-art
Windows XP color touch screen
Small form factor to save bench and rack space
Compatibility with existing remote commands,
e.g. Agilent 71612, 86130A series and N4900
series
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Pattern generator
Pattern generation for PRBS or memory based
patterns
Pre-defined for sonet/SDH frames and
patterns for 10 GbE
Flexible levels addressing a broad range of
technologies, e.g. ECL, PECL (3.3 V), LVDS,
CML
< 25 ps (10%-90%) transition times for option
012
< 50 ps (10%-90%) transition times for option
003 using N4915A-001 transition time con-
verter
Error detector
BER measurements
Automatic threshold alignment
Automatic sampling point alignment
Automatic data polarity alignment
G. 821 measurement
Measurement features
Bit error ratio (BER)
Fast eye mask measurement including
pass/fail (option 101)
BERT scan (option 101)
Fast total jitter (option 101)
Spectral jitter decomposition (option 101)
Eye contour (option 101)
Output level (option 101)
Error location capture (option 101)
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Key characteristics:
Excellent price/performance ratio
Data rate up to 3.6 Gb/s or 12.5 Gb/s
<50 mV
pp
input sensitivity
Enhanced measurement suite (option 101)
Small form factor
LAN, GPIB and USB for remote control
Color touch screen, Windows XP
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dataTec GmbH
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Ferdinand-Lassalle-Str. 52
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72770 Reutlingen
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Tel. 07121 / 51 50 50
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Fax 07121 / 51 50 10
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info@datatec.de
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www.datatec.de
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