Pulse or digital communications – Transmitters – Angle modulation
Reexamination Certificate
2006-07-04
2006-07-04
Patel, Jay K. (Department: 2637)
Pulse or digital communications
Transmitters
Angle modulation
C375S298000, C375S308000
Reexamination Certificate
active
07072422
ABSTRACT:
A device for spectrally shaping a discrete-value transmission signal, in a radio transmitter, includes one input for receiving an in phase component of the transmission signal and a further input for receiving a quadrature component of the transmission signal. The device also includes a filter circuit with a plurality of multipliers. A multiplexing unit is located in the signal path before the filter circuit, and a demultiplexing unit is located in the signal path after the filter circuit.
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Dötsch Markus
Jung Peter
Kella Tideya
Plechinger Jörg
Schmidt Peter
Greenberg Laurence A.
Infineon - Technologies AG
Locher Ralph E.
Lugo David B.
Patel Jay K.
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