4-2019

RF & Wireless
BER Test Functions for more efficient
Verification of 400GbE Transceivers and DSP
Anritsu Corporation
www.anritsu.com
Anritsu Corporation enhanced
its Signal Quality Analyzer-R
MP1900A BERT with the introduction
of four PAM4 BERT
options adding multichannel
synchronization, multilane FEC
pattern generation for 400GbE,
Inter Symbol Interference (ISI)
stressed signal generation to
simulate transmission path
losses, and application software
for capturing device under test
(DUT) error counts.
The new options allow engineers
to more accurately and efficiently
evaluate the bit error rate
(BER) of 400GbE transceivers
and devices, as well as DSP used
by high-speed interfaces in data
centres to reduce development
time and speed time-to-market.
The new test functions
for the PAM4 pulse pattern generator
(PPG) in the MP1900A
provide engineers with a singleinstrument
solution for current
standards, as well as emerging
technologies. With the options
installed, the PPG supports
required 400GbE transceiver
PHY layer FEC tests, as well as
QSFP-DD, and OSFP, making
it well-suited to verify newly
designed transceivers supporting
multilane technologies for
PAM4 signal transmissions. It
can conduct legacy jitter tolerance
and input sensitivity measurements,
as well as key tests
on the impact of crosstalk due
to use of multiple channels and
error correction.
To assure interconnectivit between
interfaces defined by the
400GbE standards, the PAM4
PPG now has a built-in function
for simulating signals after
transmission through a PC board.
This new capability, which eliminates
the need to prototype
multiple PC boards to test transmission
path losses, as well as
the ISI function allow for more
efficient testing. A built-in function
for communicating with the
DUT IC error-check function
has also been integrated into the
MP1900A. The added capability
simplifies jitter tolerance measurements
during early-stage
development of high-speed
devices.
The hardware options complement
the Error Counts Import
function of the MP1900A application
software that allows the
DUT built-in error-check function
measurement results to
be displayed on the MP1900A
screen. It simplifies IC error
measurements and creates a jitter
tolerance measurement system
for efficient BER tests during IC
development. ◄
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■ Skyworks Solutions, Inc.
www.skyworksinc.com
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