NDLI: Design of low power CMOS ultra-wideband 3.1–10.6 GHz pulse-based transmitters

Content Provider	IEEE Xplore Digital Library
Author	Kuan-Yu Lin El-Gamal, M.N.
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC (Kuan-Yu Lin; El-Gamal, M.N.)
Abstract	The design of two low power CMOS ultra-wideband (UWB) pulse-based transmitters is reported. The goal is to propose simple, low power, and tunable topologies for full-band and sub-band UWB transmitters. The first transmitter utilizes a gated ring oscillator, an NMOS switch, and a passive pulse shaping filter to generate a 3.1-10.6 GHz full-band UWB signal. The second transmitter multiplies a carrier and a triangular signal to up-convert and generate a low side-band UWB signal for sub-band applications. We propose the use of two NMOS switches in series to perform this multiplication while consuming minimum power. Control voltages incorporated in both designs are used to adjust the shapes of the pulses to compensate for mismatch and process variations. Both the full-band and sub-band transmitters, fabricated in a 0.18 mum CMOS process, generate FCC compliant UWB signals with a supply voltage of 1.8 V and power consumptions of 237.4 and 254.9 muW, respectively.
Starting Page	583
Ending Page	586
File Size	364398
Page Count	4
File Format	PDF
ISBN	9781424420186
DOI	10.1109/CICC.2008.4672152
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband technology Transmitters Switches Signal generators MOS devices Pulse shaping methods Shape control Topology Ring oscillators Passive filters
Content Type	Text
Resource Type	Article

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