Edwin G. Wintucky

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Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scienti¿ c and Technical Information (STI) program plays a key part in helping NASA maintain this important role. The NASA STI Program operates under the auspices of the Agency Chief Information Of¿ cer. It collects, organizes, provides for archiving,(More)
RF and microwave communication systems rely on frequency, amplitude, and phase control circuits to efficiently use the available spectrum. Phase control circuits are required for electronically scanning phase array antennas that enable radiation pattern shaping, scanning, and hopping. Two types of phase shifters, which are the phase control circuits, are(More)
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