Telecommunications – Transmitter – Angle modulation
Reexamination Certificate
2006-11-21
2006-11-21
Nguyen, Duc (Department: 2617)
Telecommunications
Transmitter
Angle modulation
C455S042000, C455S108000, C455S210000
Reexamination Certificate
active
07139535
ABSTRACT:
The invention indicates a method for signal processing of an amplitude-modulated and/or phase-modulated high-frequency signal (RF signal), in which the RF signal is broken down into two signals (FM1 and FM2) by relative phase displacement by an angle +β and −β and the signals are amplified before they are added to form a transmission signal, and to a circuit arrangement in which the pure phase-modulated RF signal is multiplied in a first branch by cos β and in a second branch by sin β and the two signals (FM1, FM2) are obtained by respective summation and subtraction of the multiplied signals.
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Interessengemeinschaft für Rundfunkschutzrechte GmbH Schutz
Nguyen Duc
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