Electronically tuned power amplifier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 10, 2007
Grant Date -
N/A
app pub date -
Jul 6, 2000
filing date -
Jul 6, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circuit and method for electronically tuning an RF power amplifier. The output filter includes at least one electronically variable reactance. The electronically tuned power amplifier may be tuned rapidly to a selected frequency, to a selected impedance, or to produce a selected output amplitude. An optional controller translates frequency, impedance, or modulation inputs into tuning signals. High-efficiency, wideband amplitude modulation is produced by varying the amplifier load impedance along preferred loci.
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