Method and device for generating high frequency waveforms
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United States of America Patent
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Aug 24, 2010
Grant Date -
Mar 1, 2007
app pub date -
Aug 31, 2005
filing date -
Aug 31, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An ultra wideband direct sequence code division multiple access (UWB DS-CDMA) (101) transmitter is provided. It includes a first multiplier (125) receiving two input signals, where the input signals are selected from a multi-level code signal (117), a transmit data signal (123), and a radio frequency (RF) center frequency signal (121), and responsive to the two input signals, generating a combined signal (127). Further included is a network (119) receiving a code-clock signal (113) aligned with the multi-level signal (117), multiplying the frequency of the code-clock signal (113) by a factor, and responsive thereto, producing the RF center frequency signal (121). Also provided is a second multiplier (129) receiving the combined signal (127) and the other of the input signals (117, 123, 121), and responsive thereto, generating an output signal (131).
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