NASA NTRS · 19770000150
Bidirectional Amplifier
Abstract
Two-stage transformer-coupled device amplifies incoming and outgoing signals of different frequencies being propagated in both directions along single line.
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Holley, L. D., Caldwell, J. W., Ingalls, D. R.. 1977-09-01. Bidirectional Amplifier. https://ntrs.nasa.gov/citations/19770000150
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