Engineering topics

Cusack, J. A.

Publications and source records attributed to Cusack, J. A..

2 records

NASA NTRS1979

VHF frequency multiplier

Low-power step-recovery-diode frequency multiplier generates 361-MHz signal. Diode conducts when ac waveform is positive at its upper terminal. When voltage is negative, diode continues to conduct stored charge in its junction.

Cusack, J. A.↗

NASA NTRS1977

Receiver performance evaluator

Signal-to-noise ratio is estimated, and bit errors in Manchester-encoded data streams are detected, using microprocessor-based test set.

Cusack, J. A.↗