Closed loop circuit switch mode power amplifier
A switch mode power amplifier circuit apparatus comprises a fixed gain amplifier, modulator and a filter circuit electrically configured so as to direct a feedback signal for reducing clock ripple and improving signal fidelity at an output takeoff point in the amplifier circuit. An amplifier output...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A switch mode power amplifier circuit apparatus comprises a fixed gain amplifier, modulator and a filter circuit electrically configured so as to direct a feedback signal for reducing clock ripple and improving signal fidelity at an output takeoff point in the amplifier circuit. An amplifier output is directed to the modulator and a modulator output is directed into an inductor of the filter circuit. The feedback signal is directed from the filter circuit to an amplifier input. |
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