Real-time active phase control for high power amplifier combining for space applications
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United States of America Patent
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Issued Date -
May 27, 2004
app pub date -
Nov 25, 2002
filing date -
Nov 25, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system is provided that enables real time active phase control at higher RF signal power levels to be achieved by compensation for phase variations due to daily and lifetime fluctuation of equipment temperature, equipment aging effects and path length changes due to redundancy reconfiguration among others. This automated approach achieves the fastest and most accurate phase correction for efficient signal recombining. The system employs an RF signal which is split into parallel paths whose phase is adjusted employing the output of a feedback device and then amplified and sensed to provide the feedback signal and ultimately recombined.
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