Modulated radio frequency signal generation method and modulated signal source
First Claim
1. A communication method, comprising:
- receiving a first baseband signal in digital form;
receiving a first clock signal; and
providing a first pulse modulated signal in digital form in response to a reception of the first baseband signal and a reception of the first clock signal, wherein the first clock signal and the first pulse modulated signal are synchronized.
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Abstract
A modulated signal source for implementing A modulated signal method of a generating a modulated signal having a radio frequency based upon a linear mixing of signals is disclosed. An in-phase pulse signal modulator of the modulated signal source provides an in-phase pulse modulated signal in response to a reception of a baseband in-phase signal and an in-phase clock signal with the in-phase clock signal and the in-phase pulse modulated signal being synchronized. A quadrature pulse signal modulator of the modulated signal source provides a quadrature pulse modulated signal in response to a reception of a baseband quadrature signal and a quadrature clock signal with the quadrature clock signal and the quadrature pulse modulated signal being synchronized. A switch signal generator of the modulated signal source generates an in-phase switch signal and a quadrature switch signal in response to a reception of the in-phase clock signal, the in-phase pulse modulated signal, the quadrature clock signal, and the quadrature pulse modulated signal. The in-phase clock signal and the in-phase switch signal are synchronized, and the quadrature clock signal and the quadrature switch signal are synchronized. A radio frequency signal generator of the modulated signal source provides one or more modulated signals having a radio frequency in response to either a reception the in-phase switch signal and the quadrature phase signal, or a reception of a switch signal as a function of the in-phase switch signal and the quadrature phase signal.
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Citations
23 Claims
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1. A communication method, comprising:
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receiving a first baseband signal in digital form;
receiving a first clock signal; and
providing a first pulse modulated signal in digital form in response to a reception of the first baseband signal and a reception of the first clock signal, wherein the first clock signal and the first pulse modulated signal are synchronized. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A modulated signal source, comprising:
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an oscillator operable to provide a first clock signal; and
a first pulse signal modulator operable to provide a first pulse modulated signal in digital form in response to a reception of a first baseband signal and the first clock signal, wherein the first clock signal and the first pulse modulated signal are synchronized. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A modulated signal method, comprising:
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generating a first pulse modulated signal in response to a reception of a first clock signal and a first baseband signal, the first clock signal and the first pulse modulated signal being synchronized; and
generating a second pulse modulated signal in response to a reception of a second clock signal and a second baseband signal, the second clock signal and the second pulse modulated signal being synchronized.
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21. A modulated signal source, comprising:
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means for generating a first pulse modulated signal in response to a reception of a first clock signal and a first baseband signal, the first clock signal and the first pulse modulated signal being synchronized; and
means for generating a second pulse modulated signal in response to a reception of a second clock signal and a second baseband signal, the second clock signal and the second pulse modulated signal being synchronized.
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22. A modulated signal method, comprising:
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generating a pulse modulated signal in response to a reception of a clock signal and a baseband signal, the clock signal and the pulse modulated signal being synchronized; and
generating a switch signal in response to a reception of a the clock signal and the pulse modulated signal, the clock signal and the switch signal being synchronized.
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23. A modulated signal source, comprising:
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means for generating a pulse modulated signal in response to a reception of a clock signal and a baseband signal, the clock signal and the pulse modulated signal being synchronized; and
means for generating a switch signal in response to a reception of a the clock signal and the pulse modulated signal, the clock signal and the switch signal being synchronized.
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Specification