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PulseCore favors Tektronix USB serial test suite

Posted: 01 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:PulseCore? serial test? USB 2.0?

PulseCore Semiconductor has selected a full suite of Tektronix Inc. test instrumentation to test and validate its recently announced USB 2.0 IC. The new PulseCore IC is the first in the industry to use spread spectrum clocking (SSC) to reduce EMI while achieving USB 2.0 industry compliance, claims the company.

For measuring USB 2.0 compliance and signal integrity, PulseCore combined a DPO7104 oscilloscope with the TDSUSB2 software option, a TDSUSBF test fixture and a P7350A 6GHz differential active probe. For measuring on-cable and radiated USB 2.0 EMI power reduction, PulseCore also used a RSA6114A Real-Time Spectrum Analyzer (RTSA) with DPX Live RF display. DPX waveform image-processing technology provides a live RF view of the spectrumthat reveals previously unseen RF signals and signal anomalies.

Using the test suite, PulseCore was able to prove the effectiveness of its SSC technology to provide an average of 4dB EMI attenuation and achieve USB 2.0 compliance. The RTSA provided real-time analyses of the SSC on/off transitions to ensure that critical SSC parameters remained within specification at all times while the oscilloscope was used to verify, debug and test the design.





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