Active shield circuit for digital noise suppression in mixed-signal integrated circuits

Retdian Nicodimus, Shigetaka Takagi, Kazuyuki Wada

Research output: Contribution to journalArticle

5 Citations (Scopus)


An active shield circuit which effectively reduces the substrate noise on the entire area inside the guard ring regardless of the noise source position is proposed. Simulation result shows that the proposed circuit can reduce the noise level to -85 dB while a conventional guard ring gives-52 dB.

Original languageEnglish
Pages (from-to)438-443
Number of pages6
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Issue number2
Publication statusPublished - 2005
Externally publishedYes



  • Active noise cancellation
  • Active shield circuit
  • Digital noise
  • Mixed-signal integrated circuits
  • Substrate coupling

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Hardware and Architecture
  • Information Systems

Cite this