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English URL
www.agilent.com/find/products
N4906B
Serial BERT 3.6 Gb/s (N4906B-003) and Serial BERT 12.5 Gb/s (N4906B-012)
Serial Bit Error Ratio Tester
The Serial BERT N4906B 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 telecom device
testing.
It offers a 3.6 Gb/s or 12.5 Gb/s pattern generator and error
detector with excellent price/performance ratio.
Transition times <25 ps allow precise measurements.
The analyzer can be configured with CDR to test clockless
interfaces and with true differential inputs to test LVDS and other
differential interfaces.
The compact size of the N4906B saves rack space; 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 state-of-the-art Windows-XP based touch-screen.
Deeper insight into the device’s performance can be obtained
with the enhanced measurement suite. It offers many valuable signal
analysis tools, such as BERT Scan (so-called bathtub curves) with
total jitter and its separation into RJ and DJ, eye contours, spectral
jitter decomposition and more.
Specifications
Pattern Generator
Operation Range
9.5 Gb/s to 12.5 Gb/s (Option 012)
150 Mb/s to 12.5 Gb/s (Option 102)
150 Mb/s to 3.6 Gb/s (Option 003)
Data Output
1, differential or single-ended
Output Amplitude
0.10 V to 1.8 V in 5 mV steps
Jitter
9 ps pp typical
Transition Time
<25 ps (10% to 90% and ECL levels)
Cross Point Adjust
20% – 80%
Pattern
PRBS 2
n
–1, n = 7, 10, 11, 15, 23, 31
User-definable memory: 32 Mbit
Error Detector
Operation Range
9.5 Gb/s to 12.5 Gb/s
150 Mb/s to 12.5 Gb/s (Option 102)
Data Input
1, single-ended or differential (Option 101 or 003)
Delay Adjust
1.5 ns
Clock Data Recovery
(Option 102)
1.058 to 1.6 Gb/s, loop bandwidth 1 MHz typ.
2.115 to 3.2 Gb/s: loop bandwidth 2 MHz typ.
4.23 to 6.4 Gb/s: loop bandwidth 4 MHz typ.
9.9 to 10.9 Gb/s: loop bandwidth 8 MHz typ.
Sensitivity
<50 mV
Measurements
BER
Fast Eye Mask Measurement with pass/fail (Option 101)
BERT Scan with RJ/DJ separation (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)
Accessories
N4910A
2.4 mm Matched Cable Pair
N4915A-001
One 47 ps Transition Time Converter
Key Literature & Web Link
www.agilent.com/find/N4900_Series
Ordering Information
N4906B-012
Serial BERT 12.5 Gb/s; Pattern Generator & Error Detector;
4 x 50
Ω
terminations; 6 x 2.4 mm to 3.5 mm APC converter; No cables
included
N4906B-101
Differential Analysis, Fast Eye Mask and Enhanced
Measurement Suite (only applicable with N4906B-012)
N4906B-102
Extension to full frequency range 150 Mb/s to 12.5 Gb/s +
Clock Data Recovery (only applicable with N4906B-012)
N4906B-003
Serial BERT 3.6 Gb/s Pattern Generator & Error Detector;
4 x 50
Ω
terminations; 6 x 2.4 mm to 3.5 mm APC converter; No cables
included
• Excellent price/performance ratio
• Variable frequency up to 3.6 Gb/s or 12.5 Gb/s
• <25 ps transition time
• <50 mV pp input sensitivity
• Fast Eye Mask Measurement for pass/fail testing (Option 101)
• True differential data generation and analysis capability
(Option 101)
• Enhanced Measurement Suite (Option 101)
• Integrated Clock Data Recovery (Option 102)
• Small form factor saves bench or rack space
• LAN, USB, GPIB for remote control
• Compatibility with existing remote commands, e.g. Agilent 71612,
86130A series and N4900 Series
• Color touch screen, Windows XP
• Applications: manufacturing test, Telecom transceivers such as
SONET/SDH Fibre Channel, 10 GbE, XFP/XFI, PON-OLT’s and
high-speed serial computer buses
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