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Two-point polar modulator and method for generating a polar-modulated signal based on amplitude information and phase information
Two-point polar modulator and method for generating a polar-modulated signal based on amplitude information and phase information
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机译:基于振幅信息和相位信息的两点极化调制器和产生极化调制信号的方法
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摘要
A two-point polar modulator for generating a polar-modulated signal based on an amplitude information and a phase information includes a two-point modulation phase-locked loop which is implemented to enable a frequency setting depending on a first control value via a feedback path of the two-point modulation phase-locked loop and to enable a frequency setting depending on a second control value, directly, bypassing the feedback path, wherein the two-point modulation phase-locked loop is implemented to provide a phase-locked loop output signal depending on the two control values. The two-point polar modulator further includes a modulator which is implemented to combine an amplitude signal derived from the amplitude information with the phase-locked loop output signal, to generate the polar-modulated signal and a control value generator which is implemented to generate the first control value depending on the phase information and independent of the amplitude information and which is implemented to generate the second control value depending on the amplitude information.
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