5980-0489E Datasheet, PDF (23/32 Pages) Keysight Technologies – Pulse Pattern and Function

23 | Keysight | Pulse Pattern and Function Arbitrary Generators and Arbitrary Waveform Generator – Brochure
J-BERT N4903B Pattern Generator 7 Gb/s
and 12.5 Gb/s
The Keysight N4903B J-BERT pattern generator options for data
rates up to 7 Gb/s and 12.5 Gb/s provide an accurate and lexible
stimulus for stimulating high-speed digital devices.
Jitter
PRBS
Pattern
Clock
Sequences
The N4903B generates user-deinable NRZ-patterns or PRBS with variable data rate
and output amplitude. It offers built-in and calibrated jitter injection to stress receiver
ports of high-speed digital devices and boards. Design and test engineers can quickly
and accurately stimulate serial high-speed ports, as used in DisplayPort, PCI Express,
SATA, fully-buffered DIMM, Fibre Channel, CEI, 10 Gigabit Ethernet, XFP/XFI, SFP/
SFP+ designs. The J-BERT pattern generator can be used in combination with the de-
emphasis signal converter to compensate for channel degradations. For signal analysis,
it is complemented by oscilloscopes, built-in error detectors and other analyzers. The
N4903B pattern generator can be upgraded to a full bit error ratio tester when test
needs change.
www.keysight.com/ind/n4903
Test & Measurement World's
2011
Key features N4903B
G07, G13
– Data rates between 150
Mb/s and 7 Gb/s or 12.5
Gb/s provide sufficient
margin
– Fastest transition times
< 20 ps
– Low jitter < 9 ps pp for accu-
rate measurements
– Differential outputs on data
and clock with variable
amplitude between 50 mV
and 1.8 V
– Pattern with NRZ format,
32 Mbit user pattern, PRBS,
block and loop sequencer
– Built-in and calibrated jitter
injection: SJ, PJ, RJ, BUJ
(Option J10) to generate eye
closures of > 0.5 UI
– External jitter injection via de-
lay control input up to 1 GHz
– Interference channel with
switchable ISI traces and sinu-
soidal interference
(Option J11) to emulate
channel degradations
– SSC clocking (Option J11) for
computer bus clocks
– Sub-rate clock output to gen-
erate reference clocks
– Upgrade path to add second
channel, jitter, SSC, and analy-
sis functionality
Complementary products
– 86100C DCA-J Ininiium wide-
bandwidth oscilloscope
– N4916B de-emphasis signal
converter with option clock
doubler
– DSO, DSA 90000 Series
– DSO 90000 X Series