Switching mode power amplifier using PWM and PPM for...

Pulse or digital communications – Transmitters

Reexamination Certificate

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Reexamination Certificate

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06993087

ABSTRACT:
Switching mode power amplifiers using pulse width modulation (PWM) and pulse position modulation (PPM) for generating bandpass signals is disclosed. Fully digital implemented transmitter structures having QPSK inputs for phase and amplitude are described.

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