Test & Measurement


50 GHz and 23 GHz oscilloscopes

4 November 2015 Test & Measurement

Tektronix has announced the expansion of its DPO70000SX Performance oscilloscope series to include 50 GHz and 23 GHz models.

The new 50 GHz product is specifically designed for engineers and researchers to take advantage of the low-noise performance of the patented asynchronous time interleaving (ATI) architecture for technologies such as 28 Gbaud PAM4 and K-band frequency testing. The 23 GHz instrument joins the existing 33 GHz models featuring compact dimensions and built-in scalability using the UltraSync synchronisation technology.

Current real-time scope solutions for digitising ultra-high bandwidth signals distribute signal energy to two digitising paths, then use digital signal processing to reconstruct the input signal. Unlike legacy schemes, Tektronix’ ATI architecture uses a symmetrical technique that delivers all signal energy to both digitising paths, resulting in an inherent noise advantage when signals are reconstructed. The 50 GHz instrument’s ATI channel offers 200 GSps sample rate for 5 ps/sample resolution. It also has two standard (non-ATI) 33 GHz channels with 100 GSps sample rate for 10 ps/sample resolution.

To further enhance signal fidelity, DPO70000SX oscilloscopes use a compact 5 ¼” form factor so the instrument can be positioned very close to the device under test (DUT) for shorter cable lengths and cleaner signals. The low height means each unit fits in a single 3U rackmount space, or two oscilloscopes can be stacked in the same space as a single standard bench oscilloscope.

Precise multi-instrument timing synchronisation is required for test applications such as validation of high-speed networking technologies used in long-reach fibre systems (DP-QPSK Coherent Modulation) and shorter-reach (PAM4) data centre networks. The DPO70000SX oscilloscopes meet these needs through the patent-pending UltraSync architecture that provides precise data synchronisation and convenient operation of multi-unit systems. UltraSync uses a 12,5 GHz sample clock reference and coordinated trigger for inherent channel-to-channel skew stability superior to channels within a single instrument.



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