Anritsu Co. has introduced a 4PAM converter and 8PAM converter for its MP1800A BERT signal quality analyzer. The new converters support generation of high-quality 4- or 8-level pulse amplitude modulation (PAM) data signals for accurate testing of high-speed optical transmission at speeds up to 32.1 Gbps.
The vendor says the MP1800A BERT with 4PAM/8PAM converters provides signal integrity engineers with a highly accurate test instrument for next-generation network designs, such as superchannel, necessitated by the dramatic increase in data traffic due to cloud computing, LTE services, and streaming video.
The MP1800A features an internal pulse pattern generator (PPG) and high-input-sensitivity error detector (ED) module, each of which can be configured with one, two, or four channels to support multi-channel synchronization of up to eight channels at 32 Gbps. Because of this flexibility, Anritsu asserts the MP1800A, integrated with the 4PAM or 8PAM converter, is well suited to verify the performance of multiple synchronized channels, which are becoming increasingly common in high-speed designs.
Anritsu says the MP1800A’s PPG produces good output signal quality, tunable output amplitude over a wide range for adjusting signal output amplitude, and tunable data output phase. The result is 4PAM and 8PAM waveforms with good open eyes with low jitter. The analyzer supports adjustment of the 4PAM or 8PAM overall amplitude, as well as equalizing the center and upper/lower eye. Additionally, the ED module supports bathtub and eye diagram signal analysis, and the MP1800A BERT also has a built-in jitter modulation source for generating various jitter types, including SJ, RJ, BUJ, and SSC.
Featuring a plug-in modular design, the MP1800A BERT can be configured to meet a variety of testing applications. It supports wideband bit rates from 0.1 to 32.1 Gbps for versatile signal integrity analysis applications up to 32 Gbps, such as 100 Gigabit Ethernet (25G x 4), OTU-4 (28G x 4), 32G DP-QPSK, CEI-28G, 32G FC, and Infiniband EDR (26 G).
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