Apparatus and method for integrated frequency hopping and GPS receiver
First Claim
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1. An apparatus, comprising:
- an integrated frequency hopping/GPS receiver that receives a downconversion signal from a frequency synthesizer, said frequency synthesizer having a phase lock loop with an operative frequency range that is less than the difference between an ISM band frequency and a GSM carrier frequency.
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Abstract
A method and apparatus of an integrated frequency hopping/GPS receiver and a corresponding frequency synthesizer are described.
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Citations
9 Claims
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1. An apparatus, comprising:
an integrated frequency hopping/GPS receiver that receives a downconversion signal from a frequency synthesizer, said frequency synthesizer having a phase lock loop with an operative frequency range that is less than the difference between an ISM band frequency and a GSM carrier frequency. - View Dependent Claims (2, 3, 4)
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5. An apparatus, comprising:
an RF module within a wireless receiver, said RF module having an off chip amplifier and an on chip amplifier for a GPS signal processing path, said RF module having an on chip amplifier for a frequency hopping signal processing path.
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6. An apparatus, comprising:
an IF module within a wireless receiver, said IF module having an IF filter, said IF filter having a first bandwidth for a GPS signal processing path and a second bandwidth for a frequency hopping signal path.
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7. An apparatus, comprising:
a digitizing module within a wireless receiver, said digitizing module having an IQ combiner for a GPS signal processing path and an FSK demodulator for a frequency hopping signal path.
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8. An apparatus, comprising:
a frequency synthesizer having a phase lock loop with an operative frequency range that is less than the difference between an ISM band frequency and a GSM carrier frequency, said phase lock having a feedback coupled to a sigma delta modulator, said sigma delta modulator configured to receive a control word for receiving a frequency hopping channel or a control word for receiving a GPS signal.
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9. An apparatus, comprising:
a wireless receiver having a GPS signal processing path and a frequency hopping signal path, said wireless receiver having a control input that enables said GPS signal processing path or said frequency hopping signal processing path.
Specification