Pulse or digital communications – Systems using alternating or pulsating current – Amplitude modulation
Reexamination Certificate
2006-11-02
2010-11-02
Payne, David C (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Amplitude modulation
C375S301000, C332S170000
Reexamination Certificate
active
07826549
ABSTRACT:
A method and apparatus is disclosed herein for transmitting data wirelessly. In one embodiment, the transmitter comprises a first group of stages comprising a first plurality of XOR gates and a first plurality of transistors, each XOR gate of the first plurality of XOR gates having a pair of inputs coupled to one bit of a first set data bits and a first clock, both corresponding to a I quadrature baseband signal component, and having a first output coupled to drive one of the first plurality of transistors; a group plurality of stages comprising a second plurality of XOR gates and a second plurality of transistors, each XOR gate of the second plurality of XOR gates having a pair of inputs coupled to one bit of a second set of data bits and a second clock, both corresponding to a Q quadrature baseband signal component, and having a second output coupled to drive one of the second plurality of transistors, wherein the outputs of the first and second plurality of transistors are summed at a node to obtain a single-side band (SSB) RF output.
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Aggarwal Sudhir
Blakely , Sokoloff, Taylor & Zafman LLP
Payne David C
Perez James M
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