Pulse or digital communications – Transmitters
Reexamination Certificate
2006-01-31
2006-01-31
Patel, Jay K. (Department: 2637)
Pulse or digital communications
Transmitters
Reexamination Certificate
active
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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Rosnell Seppo
Varis Jukka
Meek Jacob
Nokia Mobile Phones Ltd.
Patel Jay K.
Ware Fressola Van Der Sluys & Adolphson LLP
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