A 1.8-V ΔΣ modulator interface for an electret microphone with on-chip reference.

Ovidiu Bajdechi Johan H. Huijsing

Published in: IEEE J. Solid State Circuits (2002)

Keyphrases

high speed
low cost
user interface
visual information
user friendly
high density
direct manipulation
programmable logic
sigma delta
database
automatic speech recognition
physical design