NASA NTRS · 19660000307
Microphone multiplex system provides multiple outlets from single source
Abstract
Microphone multiplex system accepts an audio signal from a single source and provides any number of low impedance outputs at microphone level with complete isolation between output channels. Any input or output may be converted to high impedance by eliminating the associated transformer.
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Lauver, R. E.. 1966-08-01. Microphone multiplex system provides multiple outlets from single source. https://ntrs.nasa.gov/citations/19660000307
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