Tektronix TDS420A

TDS420A Tektronix Digital Oscilloscope

200 MHz, Digitizing Oscilloscope

The TDS420A is a 200MHZ, 4 channel digital oscilloscope from Tektronix. Measure voltage or current signals over time in an electronic circuit or component to display amplitude, frequency and rise times, etc. Applications include troubleshooting, production test, and design.

Price: $495.00

Refurbished In Stock


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NIST Calibration Pricing - $235.00

Tektronix TDS420A Features:

  • 200 MHz Bandwidth and ±1.5% Accuracy
  • Capture Transient Events to the Full Scope Bandwidth with Its 100 MS/s Sample Rate
  • 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


  • 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


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Tektronix TDS420A - Option Descriptions

Option Item Description
05 Video Trigger
1M Extended Memory
2F Floppy Disk
No Options