Wuxi Vimicro Corporation

Li Kang

Bin Xu

Yue Wu

David Xiaodong Yang

Bo Xia

Techniques pertaining to an adaptive/configurable IF wireless receiver are disclosed. Such an adaptive/configurable IF wireless receiver can be used in a Bluetooth device. According to one embodiment of the present invention, a wireless receiver is designed to include a low noise amplifier configured to amplify an input RF signal; an adjustable local RF synthesizer configured to provide a local RF clock signal with variable frequency; a RF mixer configured to down convert the amplified RF signal to an analog IF signal by mixing the local RF clock signal with the amplified RF signal; a filter configured to filter the analog IF signal; an analog to digital converter configured to convert the filtered analog IF signal to a digital IF signal; an adjustable digital local IF synthesizer configured to provide a digital local IF clock signal with variable frequency; a digital mixer configured to down convert the digital IF signal to a baseband signal by mixing the digital local IF clock signal with the digital IF signal; and an IF configuration unit provided to configure the adjustable local RF synthesizer to vary the frequency of the local RF clock signal, and configure the adjustable digital local IF synthesizer to vary the frequency of the digital local IF clock signal.

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Jiangsu, China

Li Kang