Phase-stiff RF power amplifier for phased array transmit/receive modules
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United States of America Patent
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Nov 8, 2016
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app pub date -
Jan 18, 2016
filing date -
Jan 18, 2016
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Abstract
A phase-stiff radio frequency power amplifier (RFPA) is disclosed. The high phase-stiffness property of the RFPA obviates the need for a circulator or other isolation device in applications where the RFPA is used to implement the high-power amplifier in a transmit-receive module (TRM) configured for use in a phased array. The phase-stiff RFPA is designed to operate in switch-mode, resulting in high energy efficiency. Together, the high energy efficiency and high phase-stiffness attributes of the RFPA afford the ability to construct a phased array having a SWaP (Size, Weight and Power) performance that far surpasses that which can be possibly achieved in a phased array constructed from conventional TRMs.
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