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Tektronix TDS400A Series
Digital Oscilloscopes, Refurbished
Models: TDS420A/XL, TDS-430A-XL, and TDS460A/XL

  • Signals up to 400 MHz Bandwidth and ±1.5% Accuracy
  • Capture Transient Events to the Full Scope Bandwidth with Its 100 MS/s Sample Rate
  • 2 and 4 Channels
  • Record Lengths to 120 K (Opt. XL)
  • Floppy Disk Storage
  • Speed Up Your Circuit Analysis with 25 Built-in Automatic Measurements and Extended Waveform Math/FFT (Opt. XL)
  • Roll Mode Allows You to See Acquired Data Points Without Waiting for the Acquisition of the Complete Waveform
  • Use the Video Trigger Mode to See NTSC, PAL, SECAM Signals or Your Own Custom Video Signals
  • Capture Those Glitches with the 10 ns Peak Detect Mode
Product Information
Specifications HTML
Ordering Info Jump to Product Models, Prices, Accessories, and Ordering Information
TDS400 Series Oscilloscope Features
Model TDS420A-XL TDS430A-XL TDS460A-XL
Bandwidth 200 MHz 400 MHz 400 MHz
Digitizers 4 2 4
Time Base Dual
Maximum Sample Rate (ea. channel) 100 MS/s
Vertical Resolution 8 bits (up to 12 bits with Hi-Res)
Vertical Sensitivity 1 mV/div to 10 V/div
Acquisition Modes Peak Detect, Sample, Envelope, Average, Hi-Res
Peak Detect/Glitch Capture 10 ns
Signal Processing Linear or Sin(x)x Interpolation, Average, Envelope, Add, Subtract, Invert, Multiply; FFT, Integration, Differentiation with XL versions
Automatic Movements 25 plus Snapshot
Trigger Main, Delayed, Basic Video, SGL SEQ, AC, DC, LF Reject, HF Reject, Noise Reject
Video Trigger Types NTSC, PAL, SECAM, Custom; TV field 1, field 2, or both, any line within a field
Display Dot, Vector, Gray Scale, VGA Out
I/O Interface GPIB
DOS-Format Floppy Drive Built in
Safety Certification UL, CSA
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  • Biophysical/Biomedical Research
  • Electrophysical and Electromechanical System Design
  • Audio System Measurement and Analysis
  • Manufacturing Test and Quality Control
  • Power Supply and Power-related Design
  • Product Service and Maintenance

For professionals who demand high precision and fidelity from their measurements, the TDS400A Digital Storage Scopes combine excellent performance and broad feature set, all at affordable prices. A choice of 2 and 4 channel models ranging from 200 MHz to 400 MHz with a 100 MS/s sample rate on all channels makes the TDS400A Series a worthy fit for a variety of demanding applications.

The highly featured, portable and easy to use TDS420A, 430A and 460A personal lab scopes are ideal for simple to complex applications, including electro-mechanical research and analysis, power electronics/power supply design, bio-physical research and analysis, and digital and analog design. With its standard video trigger capability, the scopes are ideal instruments for measuring video signals including NTSC, PAL and SECAM.

The TDS400A Series uses the renowned TDS Graphical User Interface which offers intuitive icon-based menus along with help text, making scope operation extremely simple. Knobs and buttons allow easy selection of commonly used scope functions. The standard floppy disk drive makes the saving of screen images or data to a disk simple. The disk can then be inserted into your PC for importing to desktop publishing or spreadsheet programs.

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Ordering Information
Model Description Price
TDS420A/XL Tektronix TDS420A/XL 200 MHz, 100 MS/s, Refurbished 4 Channel Digital Oscilloscope

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TDS430A/XL Tektronix TDS430A/XL 400 MHz, 100 MS/s, Refurbished 2 Channel Digital Oscilloscope

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TDS460A/XL Tektronix TDS460A/XL 400 MHz, 100 MS/s, Refurbished 4 Channel Digital Oscilloscope

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