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Oscilloscope touts 100GS/s sampling rate on 2 channels

Posted: 03 Aug 2011 ?? ?Print Version ?Bookmark and Share

Keywords:oscilloscope? real time sampling? 8HP silicon germanium?

Tektronix Inc. has unleashed what it claims is the fastest and most accurate oscilloscopes on the market. Four models of the DPO/DSA70000D series with real time sampling rates up to 100GS/s on two channels are also available for 25 and 33GHz bandwidths across multiple channels.

Tektronix engineers have used IBM's 8HP silicon germanium (SiGe) integrated high-speed bipolar transistors directly on the same die as standard CMOS, said the company. This enables the new oscilloscopes to deliver the fastest rise time on multiple channels than any on the market. Such high-sensitivity, low noise measurement capabilities are required for accurate characterization of high-speed optical, RF and serial data measurements beyond 20Gb/s data rates, Tektronix stated.

According to the company, the new oscilloscopes achieve a number of industry-firsts that include real time sample rate performance of 100GS/s on two channels. It is the first to offer 33GHz bandwidth on four channels with 10 terasamples equivalent time sampling to bring unmatched signal visibility to real time oscilloscopes for both design and manufacturing applications. It has the industry-best rise time performance for accurate characterization of sub 20ps rise time signals. This helps customers develop leading-edge silicon in the industry.

The devices also feature an industry-best input sensitivity at 62.5mV full scale (6.25mV/div) for better visibility of low amplitude signaling common in LVDS-based standards, claimed the company. Additionally, it has the fastest time to answer with quicker access to data, measurement analysis including 8b/10b serial decode, fast waveform data transfer within the instrument and new custom region-based qualification using Visual Trigger capability.

The popular DPOJET Jitter & Timing Analysis toolset is being updated to support jitter separation of bounded uncorrelated jitter (BUJ)an important category of jitter resulting from crosstalk on signals greater than 10Gb/s. Separation of BUJ from other random jitter sources can be accomplished in DPOJET for more complete analysis. With 76 percent of Tektronix customers using third-party software, the new oscilloscopes introduce DataStore, an advanced data processing pathway. With third-party tools like MATLAB or Microsoft.NET languages, users can insert waveform data processing algorithms directly into the scope's application and display system. Users will experience dramatic productivity improvements over a broad range of applications like de-embedding or invoking custom filter functions. For signal access, Tektronix provides up to 33GHz bandpass support through its seamless TekConnect channel interface, enabling the use of Tektronix 2.92mm adaptors and high-performance probes that feature small probe heads to provide a flexible and reliable connection to the Device Under Test (DUT).

"The new Tektronix 33GHz oscilloscopes will give designers the ability to understand the effects of advanced modulation techniques on bit error rates, even as speeds continue to increase," said Rob Marsland, senior manager in the oscilloscope product line at Tektronix. "Using these scopes, bit rates exceeding 240Gb/s can now be analyzed for the first time with a high degree of confidence."

Worldwide shipments of the DPO/DSA70000D models will begin in 4Q11. The four available models include DPO73304D and DSA73304D at 33GHz bandwidth, and DPO72504D and DSA72504D at 25GHz bandwidth. Pricing starts at $202,000.

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