DS1221A Notch Filter and Demodulator User Manual
Publication Number: DS1221-90002
Publication Date: 2025.01.27
Language: English
User Manuals

DS1221A Notch Filter and Demodulator User Manual

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The Notch Filter and Demodulator is a tool for side channel analysis (SCA) of radiofrequent communication (RF) with contactless smart cards complying with the ISO/IEC 14443 standard. 

These smart cards use the strong RF carrier signal to derive power for their circuit. The Notch Filter and Demodulator extracts signals which are superimposed on the RF carrier and its side bands.

In this user manual, learn the following information:

  • What’s in the box
  • What it does
  • How to build a setup
  • Help and troubleshooting
  • Technical specifications