1 InstaVu, DPO, 3 rd Gen DPX

2 Agenda  Evolution  ART, InstaVu, DPO, 3 rd gen DPX  3 rd gen DPX comparison to Xstream and MegaZoom  Lab: Demonstrate 3 rd gen DPX throughput advantages for troubleshooting, measurements and tests vs. Xstream and MegaZoom.

3 Evolution of Oscilloscopes Market Drivers Customer Challenges DSO ART 1950 Military Vacuum tube technology Emerging solid state technology Broadcast video Device characterization Signal edges and waveshapes Computers LSI Digital data Mixed signal environments Faster microprocessor clock rates System integration Quality assurance Signal data High-frequency effects Documentation Convergence Interoperability Faster data rates and microprocessor clocks Complex signals Standards compliance Test equipment performance Scope Technology DPO

4 Analog Oscilloscope  Benefits  Direct visual impression of actual signal behavior  Intensity grading (frequency of occurrence information)  No quantizing error or aliasing  Very fast waveform capture rate  Shortcomings  Purely visual information  Blink and miss  Limited bandwidth performance  Edge triggering  No pre-trigger information  Optimized for single channel operation  Limited writing speed for low repetition rate signals

5 Transition from ART to DSO Waveform Capture Rate Is Limited By Holdoff Time  DSO Cycle  ART Cycle Displayed Sweep Sweep Holdoff Time Typical Capture Rate Range Maximum Capture Rate Hz 7104 Analog scope 400k/sec Acquire New Signal System Holdoff Time Process SignalUpdate Display

TDS784 InstaVu – The 1st Generation  Benefits  First scope to achieve the bandwidth and waveform capture rate of the world’s fastest analog scope the 7104  Shortcomings  Max InstaVu sample rate 1GS/s E.T.  Waveform image depth 1bit  No gray scale, only persistence  Measurement rate 30/sec  Conventional measurement made on a single waveform  InstaVu records 500pts  DSO records 0.5Mpts

7 Analog Real-Time InstaVu Digital Storage 1995 InstaVu First Generation Waveform Capture Rate

8 The Challenges  Dynamic-Complex Signals  May contain multiple modulation types including frequency, phase, amplitude, and/or noise  Reside in new dense signal environments  May contain:  Complex modulated RF  Jitter  Glitches  Cross Talk  Contention

The Second Generation A new oscilloscope technology that stores, displays, and analyzes dynamic-complex signals in real time.

A Breakthrough Solution The Digital Phosphor Oscilloscope  Digital Phosphor Oscilloscope An instrument that digitizes electrical signals and displays, stores, and analyzes three dimensions of signal information in real time. DPO Amp A/D Display uP DPX Waveform Imaging Processor Parallel Processing Acqui- sition Rasterizer Digital Phosphor Display Memory

Compare the Architectures DSO DPO Amp DeMUX Acqui- sition Memory uP Display Memory A/D Display Amp A/D Display uP DPX Waveform Imaging Processor Serial Processing Parallel Processing ART Analog Display X Y Z Horiz Sweep Vert Amp Delay Line Trigger Display Amp Acqui- sition Rasterizer Digital Phosphor Display Memory

Tektronix TDS784D DPO, Technology Enhanced by DPX™  DPX is a Tektronix proprietary waveform imaging processor that creates and manages the real-time intensity grading  Each channel has its own DPX Waveform Imaging Processor  DPX is a 13 mm2 die using 0.65µ CMOS Technology and 1.3 million transistors  DPX provides 24,000,000,000 read-modify-write operations (RMW) per second

TDS784D DPO – The 2 nd Generation  Benefits  2GHz bandwidth with 400,000 acquisitions/second  Waveform image depth 22 bits  Gray scale in DPO  DPO record length up to 0.5Meg  Z axis modulation  Shortcomings  Max DPO sample rate 1GS/s  Measurement rate 30/sec  Conventional measurement made on a single waveform  Min/max compression  8Meg records required E.A.L mode

14 DPO Is Not A Persistence Mode  DPOs provide intensity grading, in real-time, as part of the acquisition system  Limited only by acquisition (trigger) rate  Provides intensity graded display information on dynamic signals  Captures dynamic signal variations, in real-time, enabling the user to see actual signal behavior  Rapidly builds a statistical representation of actual signal behavior Analog DSO Persistence DPO  Persistence modes can create intensity grading in the display system by using normally acquired waveforms and post processing  Limited by the DSOs capture rate  Lacks real time feedback  May miss intermittent events  Limited in actual distribution of events information

15 The Challenges  Extend the ability to examine Dynamic complex signals to the data rates and time windows required for today’s computer and communications  Measurement and test throughput

16 DPO Parallel Processing Amp A/D Display Windows processor Acqui- sition Rasterizer Digital Phosphor Display & Measure Memory DSP & Measure Fast 64 bit Measurements with Statistics “Measurement throughput to match waveform throughput” Today: 3rd Generation DPX  Digital Phosphor Oscilloscope An instrument that digitizes electrical signals and displays, stores, and analyzes three dimensions of signal information in real time.

17 Today: TDS rd Generation DPX  Benefits  4GHz bandwidth with 400,000 acquisitions/second  Waveform image depth 64 bits  Gray scale record view compression  View entire record  Fast Acq record length up to 1Meg  WfmDB sample rate 20GS/s ET  Real sample every 50ps after trigger  Fast waveform data base measurements Amp A/D Display Window’s processor Acqui- sition Rasterizer Digital Phosphor Display & Measure Memory DSP & Measure

18 Still the leader Waveform Capture Rate Including Infiniium MegaZoom and WaveMaster Xstream Waveform Capture Rate (Waveforms/Second) Sweep Speed (Log Scale) 5 ms/div500 ps/div Infiniium GHz 140 Waveforms/Sec MegaZoom TDS rd gen DPX >400,000 waveforms/Sec TDS3000B with DPO Acquisition >3500 Waveforms/Sec LeCroy WaveMaster 8600 with APO+Segmented Mem 1000 waveforms/Sec, best case Xstream

19 LeCroy says in the press: “LeCroy claims that WaveMaster, in segmented memory mode, betters by 50% the 400,000 waveforms/sec of Tektronix’s fastest DPO displays” Source: Smart Scopes, EDN magazine,Dan Straussberg, March7, 2002

20 Today: LeCroy with Xstream Sequence Mode 60 1us/div Xstream is no match for DPO

21 Today Tektronix 3 rd Gen DPX FastAq Mode 60 1us/div DPO is hundreds of times faster than Xstream for troubleshooting

22 LeCroy fud in the press: “2.5Gb/s eye diagram using LA Techniques LA producing PRBS data stream. LeCroy using SDM software option in mask test mode.” Throughput ratio: LeCroy/Tektronix=651 Source: Scopes trial, EDN magazine,Dan Straussberg, March 6, 2003

23 Xstream Mask Testing – SDA GS/s dots Mask testing measurements Clock recovery Sequential acquisition 1400 UI/min

24 Xstream Mask Testing – SDA6000 Avoid “traditional” it is even slower

25 3 rd Gen DPX Mask Testing TDS GS/s dots Mask testing with measurements Clock recovery Wfmdb acquisition 483,000 UI/minute 350X faster than SDA (4000X faster in fast acq at 1.25GS/s)

26 Infiniium 54853, and  Waveform throughput limited to about 100/sec  Poor choice for troubleshooting or analyzing complex waveforms  Midrange Infiniiums are faster than WaveMaster  No support for serial data testing today. Agilent certainly knows how to do this on DCA.

27 Summary: InstaVu, DPO, 3 rd Gen DPX  Significant advances with each generation of fast acquisition.  Xstream or MegaZoom cannot match our waveform throughput for troubleshooting or analyzing complex waveforms.  3 rd generation DPX’s combination of 20GS/s precision, fast throughput and 64 bit data base measurements exceed SDA or Infiniium by a wide margin.  Hands on labs with the competitor’s products to see for yourself.

28 Knowledge Review  3 rd gen DPX’s Waveform Data Base is acquired at 1GS/s, 1.5GS/s, 20GS/s?  Xstream is 100X, 1X,.003X faster than 3 rd Gen DPX for troubleshooting?  SDA with Xstream is 100X, 1X, 0.003X faster for mask and compliance tests on fast serial data?  MegaZoom is more likely, about same, less likely to be able to identify and measure distribution of occurrence information?