Digital Radio System and Method of Operation
AssigneeMicrotune, Inc.
InventorStefan Volnhals
Life of this patent
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Abstract
A digital radio system comprises a mixer and an analog-to-digital converter communicative coupled to the mixer. The mixer generates an intermediate frequency signal based at least in part upon a radio frequency signal and a local oscillator signal, wherein the intermediate frequency signal comprises a signal of interest having a particular bandwidth. The analog-to-digital converter generates a digital signal by quantizing the intermediate frequency signal using a sampling frequency that is greater than twice the bandwidth of the signal of interest and less than the frequency of the intermediate frequency signal.
Claims44
A digital radio system, comprising:
- a mixer operable to generate an intermediate frequency signal based at least in part upon a radio frequency signal and a local oscillator signal, wherein the intermediate frequency signal comprises a signal of interest having a particular bandwidth;
- and
- an analog-to-digital converter communicatively coupled to the mixer and operable to generate a digital signal by quantizing the intermediate frequency signal using a sampling frequency that is greater than twice the bandwidth of the signal of interest and less than the frequency of the intermediate frequency signal.
A method for processing a frequency signal, comprising:
- generating an intermediate frequency signal based at least in part upon a radio frequency signal and a local oscillator signal, wherein the intermediate frequency signal comprises a signal of interest having a particular bandwidth;
- and
- generating a digital signal by quantizing the intermediate frequency signal using a sampling frequency that is greater than twice the bandwidth of the signal of interest and less than the frequency of the intermediate frequency signal.
A method for processing a frequency signal, comprising:
- receiving a radio frequency signal comprising a signal of interest having a particular bandwidth;
- and
- generating a digital signal by quantizing the radio frequency signal using a sampling frequency that is greater than twice the bandwidth of the signal of interest and less than the frequency of the radio frequency signal.
Dependencies are inferred from the claim text.