Tektronix TDS6804B Digital Storage Oscilloscope 8 GHz, 20 GS/s

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Tektronix Test Equipment TDS6804B
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Manual TDS6804B Datasheet
The Tektronix TDS6804B Digital Storage Oscilloscope 8 GHz, 20 GS/s provides unprecedented performance along with a complete feature set designed to address design validation, debug and compliance challenges of next generation computer, datacom and communications equipment. High bandwidth, high sample rate and deep memory also provide the ideal solution for data acquisition applications.
Tektronix Test Equipment TDS6804B Features
  • Bandwidth of 8 GHz
  • Rise Times to 19 ps 20 to 80% (28 ps 10 to 90%) on TDS6154C Typical Rise Time, with Channel matched, User-selectable DSP
  • 40 GS/s Real-time Sample Rate on Two Channels, 20 GS/s Real-time Sample Rate on All Four Channels with 500 fs/Sample Interpolated Points
  • Up to 64 Megasamples on Two Channels, up to 32 Megasamples Record Length on All Four Channels with MultiView Zoom Function for Quick Navigation
  • Pinpoint Triggering Provides the Most Flexible and Highest Performance Triggering, with Over 1400 Combinations to Address Virtually Any Triggering situation
  • Serial Pattern Triggering up to 3.125 GB/s With 8b/10b Protocol Triggering
  • Serial Data Analysis and Compliance at Rates of 6.25 GB/s and Above
  • OpenChoice® Software with Windows XP OS Delivers Built-in Networking and Analysis
  • Technology-specific Software Solutions Provide Built-in Domain Expertise for Serial Data, Jitter, Ethernet, DVI, USB 2.0, Communications and Power Measurements
  • System Includes: Dual Processor System (2.8 GHz Pentium 4 and 583 MHz PowerPC), High Resolution XGA Display, Front Panel CD-R/W, Front Panel USB 2.0 Port, and 1000Base-T Network Connection
Tektronix Test Equipment TDS6804B Specs
Vertical System
Input Channels 4
Bandwidth, Rise Time (DSP) 8 GHz
50 ps (10 to 90%) (typical)
35 ps (20 to 80%) (typical)
True Analog Bandwidth
(-3db), Typical Rise Time
7 GHz
62 ps (10 to 90%) (typical)
43 ps (20 to 80%) (typical)
Hardware Bandwidth Limits
(Requires TCA-1 Adapter)
Full, 250 MHz or 20 MHz
Input Coupling DC, GND
Input Impedance 50 Ω +2.5%
Input Sensitivity, 50Ω Full scale 100 mV to 10 V (10mV/div to 1 V/div).
Full scale is the peak-to-peak digitizer range at a given sensitivity.
Volts/div = Full scale / 10
Vertical Resolution 8-bit (>11-Bit with averaging)
Max Input Voltage, 50Ω <1Vrms for <100mV/div,
<7Vrms for ≥100mV/div settings.
Also determined by TekConnect accessory
DC Gain Accuracy +(2.5% + (2% x offset))
Position Range +5 divisions
Offset Range Full scale settings:
100mV to 500mV: +0.5V
505mV to 995mV: +0.25V
1V to 5V: +5V
5.05V to 10V: +2.5V
Offset Accuracy +(0.5% of channel offset + 15mV + 0.1 div x V/div setting) for ranges > 100 mV/div
Timebase System
Timebase Range 25 ps to 40 s/div; interpolation down to 500 fs/pt
Timebase Delay Time Range 5 ns to 250 s
Channel-to-Channel Deskew Range ±75 ns
Trigger Jitter (RMS) <1.5 psRMS (typical)
Long-term Sample Rate
and Delay Time Accuracy
2.5 ppm over any ≥100 ms interval
Clock Stability

<1 ppm (typical)
<2.5 ppm (guaranteed)

Jitter Noise Floor 420 fsRMS (typical) over 2 µs duration or less
Delta Time Accuracy 635 fsRMS over <100 ns duration, single shot
Acquisition System
Max Sample Rate 20 GS/s on 4 channels
Equivalent Time Sample Rate (max) 2 TS/s
Maximum Record Length per Channel 32 M (requires Opt. 4M)
  Standard 2 M on all 4 channels
  with Memory Opt. 2M 8 M on all 4 channels
  with Memory Opt. 3M 16 M on all 4 channels
  with Memory Opt. 4M 32 M on all 4 channels
Tektronix Test Equipment TDS6804B Applications
  • Signal Integrity, Jitter and Timing Analysis
  • Validation, Debug, Characterization and Compliance of Next-generation Digital Designs
  • Computer, Datacom, Storage Area Network Equipment Designs and High-speed Backplanes
  • High Energy Physics Measurements and Data Acquisition