Transmitter arrangement and signal processing method
First Claim
1. A transmitter arrangement, comprising:
- a first and a second controlled oscillator, each comprising a control input and a signal output;
a first control device comprising a first data input, a first feedback input and a first control output which is coupled to the control input of the first controlled oscillator;
a second control device comprising a second data input, a second feedback input and a second control output which is coupled to the control input of the second controlled oscillator;
a first power amplifier comprising an input coupled to the signal output of the first controlled oscillator, an output coupled to the feedback input of the first control device and a first power control input to adjust a gain factor of the first power amplifier;
a second power amplifier comprising an input coupled to the signal output of the second controlled oscillator, an output coupled to the feedback input of the second control device and a second power control input to adjust a gain factor of the second power amplifier; and
a summation element which on its input side is coupled to the output of the first and the second power amplifier and which comprises an output coupled to a signal output of the transmitter arrangement.
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Abstract
A transmitter arrangement includes a first and a second phase-locked loop, each having a power amplifier. The first phase-locked loop generates a first amplified oscillator signal depending on a first input signal representing a first phase information, wherein a first feedback signal for the first phase-locked loop is derived from the first amplified oscillator signal. Accordingly, the second phase-locked loop generates a second amplified oscillator signal depending on a second input signal representing a second phase information. A second feedback signal for the second phase-locked loop is derived from the second amplified oscillator signal. The transmitter arrangement further includes a summation element to combine the amplified first oscillator signal and the amplified second oscillator signal to an output signal.
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Citations
32 Claims
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1. A transmitter arrangement, comprising:
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a first and a second controlled oscillator, each comprising a control input and a signal output; a first control device comprising a first data input, a first feedback input and a first control output which is coupled to the control input of the first controlled oscillator; a second control device comprising a second data input, a second feedback input and a second control output which is coupled to the control input of the second controlled oscillator; a first power amplifier comprising an input coupled to the signal output of the first controlled oscillator, an output coupled to the feedback input of the first control device and a first power control input to adjust a gain factor of the first power amplifier; a second power amplifier comprising an input coupled to the signal output of the second controlled oscillator, an output coupled to the feedback input of the second control device and a second power control input to adjust a gain factor of the second power amplifier; and a summation element which on its input side is coupled to the output of the first and the second power amplifier and which comprises an output coupled to a signal output of the transmitter arrangement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A transmitter arrangement, comprising:
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a first controlled oscillator to generate a first oscillator signal depending on a first control signal; a second controlled oscillator to generate a second oscillator signal depending on a second control signal; a first power amplifier to amplify the first oscillator signal; a second power amplifier to amplify the second oscillator signal; a summation element to combine the amplified first oscillator signal and the amplified second oscillator signal to an output signal; a first control device to generate the first control signal as a function of a first input signal and a first feedback signal, wherein a first feedback path to provide the first feedback signal is coupled to an output of the first power amplifier; and a second control device to generate the second control signal as a function of a second input signal and a second feedback signal, wherein a second feedback path to provide the second feedback signal is coupled to an output of the second power amplifier. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A transmitter arrangement, comprising:
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a first phase locked loop comprising a first power amplifier, the first phase locked loop to generate a first amplified oscillator signal depending on a first input signal representing a first phase information, wherein a first feedback signal for the first phase locked loop is selectively derived from the first amplified oscillator signal; a second phase locked loop comprising a second power amplifier, the second phase locked loop to generate a second amplified oscillator signal depending on a second input signal representing a second phase information, wherein a second feedback signal for the second phase locked loop is selectively derived from the second amplified oscillator signal; and a summation element to combine the amplified first oscillator signal and the amplified second oscillator signal to an output signal. - View Dependent Claims (18, 19, 20, 21)
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22. A signal processing method, comprising:
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generating a first control signal as a function of a first feedback signal and a first input signal; generating a second control signal as a function of a second feedback signal and a second input signal; generating a first oscillator signal depending on the first control signal; generating a second oscillator signal depending on the second control signal; amplifying the first oscillator signal and the second oscillator signal; combining the amplified first oscillator signal and the amplified second oscillator signal to an output signal; deriving the first feedback signal from the amplified first oscillator signal; and deriving the second feedback signal from the amplified second oscillator signal. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. A signal processing method, comprising:
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generating a first phase modulated signal as a function of a first feedback signal and a first input signal which represents a first phase information; generating a second phase modulated signal as a function of a second feedback signal and a second input signal which represents a second phase information; amplifying the first phase modulated signal depending on a first power control signal; amplifying the second phase modulated signal depending on a second power control signal; generating an output signal by summing up the amplified first phase modulated signal and the amplified second phase modulated signal; deriving the first feedback signal from the amplified first phase modulated signal; and deriving the second feedback signal from the amplified second phase modulated signal. - View Dependent Claims (30, 31, 32)
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Specification