Amplifiers – Modulator-demodulator-type amplifier
Reexamination Certificate
2008-04-01
2008-04-01
Choe, Henry (Department: 2817)
Amplifiers
Modulator-demodulator-type amplifier
C330S306000
Reexamination Certificate
active
11089834
ABSTRACT:
A radio frequency power amplifier and corresponding methods are arranged and configured to drive or provide a radio frequency signal to a resonant load. The amplifier includes a radio frequency switching stage with an output that is coupled to a resonant circuit and configured to provide an output signal with amplitude modulation corresponding to amplitude modulation of an input signal when powered from a fixed voltage power supply and a feedback control system coupled to the input signal and the output signal. The feedback control system includes a sequencer configured to provide a sequencer output that is used to drive the radio frequency switching stage, where the sequencer output has an OFF state that begins at a variable time corresponding to the input and output signal.
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Kelly David
Mekechuk Kelly
Snelgrove William Martin
Wilson Richard
Bethards Charles W.
Choe Henry
Pulsewave RF, Inc.
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