Various alternative circuits of transistorized condenser microphones with rf bias are discussed, with emphasis on their signal-to-noise ratios. A recent circuit gives better signal-to-noise ratio than conventional dc-biased condenser microphones.

Author: Mergner, F. L.
Affiliation: Fisher Radio Corporation, Long Island City, NY
JAES Volume 13 Issue 1 pp. 23-29; January 1965
Publication Date: January 1, 1965

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