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The design of the low power fully integrated frequency synthesizer for IEEE 802.15.4a standard is presented. This work focuses on the VCO and the programmable frequency divider designs; which are the tuning range, power consumption and the speed limitation blocks of the frequency synthesizer. A novel low power, wideband, load-independent VCO architecture is introduced. The key feature of the VCO is...
This paper describes an ultra-low power differential 7th order active-RC low pass filter (LPF). The proposed filter is ready for the use in Impulse-Radio (IR) Ultra-Wideband (UWB) IEEE 802.15.4a standard compliant transceivers. The circuit is composed of three biquadratic and one first order filter sections. The structure of the operational amplifier (op amp) is adopted to ensure high linearity demands...
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