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Product category: Stand-Alone Instruments
News Release from: Tektronix | Subject: Tektronix UWB
Edited by the Electronicstalk Editorial Team on 7 August 2007

Software has scope
for ultrawideband testing

Package extends the debug and analysis capabilities of DPO/DSA70000 oscilloscopes to include real-time analysis of ultrawideband RF and electrical signals

Tektronix UWB is new ultrawideband software for use with the company's DPO/DSA70000 oscilloscopes. Tektronix UWB extends the debug and analysis capabilities of the industry's highest performance real time oscilloscopes that operate up to 20GHz bandwidth, 200M memory, and 50Gsample/s on all four channels, to include real-time analysis of ultrawideband RF and electrical signals.

Tektronix UWB running on these oscilloscopes is the most advanced solution for the test and measurement of digital RF applications such as ultrawideband communications and ultrawideband radar and also for high speed serial data.

Modern ultrawideband RF and electrical signals change frequency and spectral density with time.

Analysis and compliance tests for these complex signals requires more real-time bandwidth and capture time than is possible with spectrum-analyser-based acquisitions.

The DSA70000 series digital signal analysers using DPX waveform image processing and Pinpoint triggering help the engineer discover and capture the time and amplitude variations of these signals.

Tektronix real-time spectrograms for ultrawideband signals spanning the full single shot bandwidth of the DSA70000 show the behaviour of ultrawideband signals over time from a single captured record.

'A number of new digital RF applications such as UWB require real-time bandwidth greater than available on traditional spectrum analysers', says Brian Reich, General Manager, Performance Scope Product Line, Tektronix.

'Tektronix is able to leverage our fastest in the industry real-time oscilloscopes, leadership in single-shot timing resolution, superior record length, and analysis techniques from our real-time spectrum analysers (RTSA) to create a unique UWB solution'.

'The Tektronix UWB software matched with our ultra high performance oscilloscopes is uniquely able to perform spectral analysis and modulated communication signal analysis'.

Analysis can be done across the captured record, up to 200M memory at 50Gsample/s on all four channels.

Using capabilities such as time gating and packet finder, an engineer can analyse the intended signal that may be separated by time, power spectrum or frequency from other traffic.

Power spectral density is captured to 20GHz with a single 50Gsample/s acquisition but is analysed across that acquisition with 5MHz resolution bandwidth for a familiar spectrum-analyser-like display.

For WiMedia UWB radios using MB-OFDM technology for Certified Wireless USB, Bluetooth 3.0, WiNet and Wireless FireWire (1394) applications, Tektronix UWB goes far beyond general purpose demodulation automatically reading the digital information from the RF waveform to determine the demodulation method on a packet-by-packet basis.

By automatically reading the digital information from the RF waveforms, Tektronix UWB determines which demodulation method is used, the pass/fail test limits and constellation type which is displayed.

Detection and analysis is done on each packet from the RF content, greatly simplifying setup and speeding analysis and compliance tests.

Analysis is performed in all six band groups (3.1-10.6GHz) for all 10 time frequency codes (hopping patterns or channels), and for all eight datarates.

The RF channel is corrected using the pilot tones in each packet within the optionally specified time gate.

RF signal quality measurements including EVM (error vector magnitude), spectral mask testing and ACPR are analysed using the methods agreed on by WiMedia for key compliance based measurements.

Modulation results from each analysis are recorded for easy export.

Results include the time of the test, the channel, reference waveform or waveform file analysed, the individual packet in the record analysed, the number of data symbols analysed in that packet, the band group of the RF signal analysed, the time frequency code of the signal, the EVM, and EVM peak.

Also recorded are the results of the six ACPR.

tests within the band group and the number of spectral test hits inside the band group.

Spectral mask hits outside the band group across the single shot bandwidth of the oscilloscope (eg DC to 20GHz) are also recorded.

With up to 20GHz bandwidth on all four channels simultaneously, 50Gsample/s on all four channels, up to 200M memory on all four channels, and more than 300,000 waveforms captured per second, the DSA70000 are the fastest four-channel real-time oscilloscopes and offer more performance than any competing alternative.

The DSA70000 models include 12.5, 16 and 20GHz versions.

Tektronix UWB software is available for order and delivery.

MSRP is GBP 4060 or Eur 6060.

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