Abstract:Ultra-Wide Band (UWB) technology has recently become a viable option for wireless applications that require high data-rate and ultra low power demand.This paper presents an all-digital UWB transmitter architecture using 0.18µm CMOS. It employs a delay line based architecture that works with Pulse Positioning Modulation (PPM), On Off Keying (OOK) and Delay Based Binary Phase Shift Keying (DB-BPSK) modulation schemes at two center frequencies (3.75GHz and 4.25GHz) with a fixed bandwidth (500MHz). The proposed tr… Show more
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