IEEE - Institute of Electrical and Electronics Engineers, Inc. - A Bufferless Interface for Single-Ended ECM Sensors

Author(s): Youngkil Choi ; Hyungdong Roh ; Jeongjin Roh
Sponsor(s): IEEE Instrumentation and Measurement Society
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 February 2012
Volume: 61
Page Count: 8
Page(s): 513 - 520
ISSN (Paper): 0018-9456
ISSN (Online): 1557-9662
DOI: 10.1109/TIM.2011.2161940
Regular:

This paper presents a bufferless interface that can be directly connected to a single-ended capacitive sensor such as an electret condenser microphone. A high-input impedance interface is... View More

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