Agilent Technologies Inc.'s U4154A AXIe-based logic analyzer module has a capture speed of 4 Gbyte/s on
68 channels and 2.5 Gbyte/s on 136 channels with the ability to capture data on
eye openings 100 ps by 100 mV. The logic analyzer module, associated probes and
analysis software provide DDR (double data rate) memory systems, high-speed
application-specific integrated chips, analog-to-digital converters and
field-programmable gate arrays operating at speeds up to 4 Gb/s.
Timing zoom provides simultaneous state and timing
measurements with 80 ps timing resolution and 256 K-sample memory depth for
insight into problems by allowing simultaneous state and high-resolution timing
measurements over a 20-us time span. The sequencer speed (2.5 Gb/s) gives
engineers the ability to trigger reliably on sequential events on DDR memory
and other high-speed signals without having to give up triggering flexibility. The eye-scan capability of the U4154A allows a quick overview of
signal integrity on all signals of a DDR system in a fraction of the time it
takes using alternative methods.
The U4154A logic analyzer module is compatible with
Agilent's M9502A two-slot AXIe chassis. Multiple modules can be combined on a
single time base and trigger sequencer. Multiple modular systems, including
Agilent 16900 series frames, can be combined for time-correlated measurements
on multiple buses in a system.
A new method of modeling how they are created with chemical vapor deposition (CVD) could reduce the cost of carbon nanostructures used for for research and commercial applications, including advanced sensors and batteries.
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