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IEICE TRANSACTIONS on Fundamentals

Performance Evaluation of Probing Front-End Circuits for On-Chip Noise Monitoring

Yuuki ARAGA, Nao UEDA, Yasumasa TAKAGI, Makoto NAGATA

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Summary :

A probing front end circuit (PFE) senses and digitizes voltage noises at in-circuit locations on such as power supply wiring and substrate taps in a chip, with the simplest circuit construction only with a source follower or a unity gain buffer, followed by a latch comparator. The PFE with 2.5V I/O transistors in a 65nm CMOS technology node demonstrates 9.0 ENOB and 60.7dB SFDR in equivalent sampling at 1.0Gs/s, for a sinusoidal waveform of 10MHz with 200mV peak-to-peak amplitude. Behavioral modeling of an entire waveform acquisition system using PFEs includes the statistical variations of reference voltage and sampling timing. The simulation quantitatively explains the measured dynamic properties of on-chip noise monitoring, such as the AC response in SNDR and digitizing throughputs, with the clear dependency on the frequency and amplitude of input waveforms.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.12 pp.2516-2523
Publication Date
2013/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.2516
Type of Manuscript
Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category
Device and Circuit Modeling and Analysis

Authors

Yuuki ARAGA
  Kobe University
Nao UEDA
  Kobe University
Yasumasa TAKAGI
  Kobe University
Makoto NAGATA
  Kobe University

Keyword