Design of 1.8-V CMOS Polyphase Filter for Dual-Mode Bluetooth/ZigBee Transceiver
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چکیده
A dual-mode Bluetooth/ZigBee low-IF polyphase channel filter has been designed with 0.18 μm digital CMOS technology based upon transconductorcapacitor (GmC) structure. The filter has a fifthorder 0.5dB equiripple Chebyshev bandpass response. It achieves a signal-to-noise ratio of 62dB and input referred third-order intermodulation intercept of 33dBVp (for distant blocker interference). The filter consumes a moderate power of 2.5mW from a 1.8-V single supply in both modes of operation.
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تاریخ انتشار 2006