By Cam Nguyen, Meng Miao
This e-book offers the layout of ultra-wideband (UWB) impulse-based transmitter and receiver frontends, working in the 3.1-10.6 GHz frequency band, utilizing CMOS radio-frequency integrated-circuits (RFICs). CMOS RFICs are small, affordable, low strength units, greater fitted to direct integration with electronic ICs in comparison to these utilizing III-V compound semiconductor units. CMOS RFICs are therefore very appealing for RF platforms and, in truth, the valuable selection for advertisement instant markets.
The ebook contains seven chapters. the 1st bankruptcy offers an creation to UWB expertise and descriptions its suitability for top solution sensing and high-rate, short-range ad-hoc networking and communications. the second one bankruptcy presents the fundamentals of CMOS RFICs wanted for the layout of the UWB RFIC transmitter and receiver provided during this publication. It contains the layout basics, lumped and dispensed parts for RFIC, format, post-layout simulation, and dimension. The 3rd bankruptcy discusses the fundamentals of UWB platforms together with UWB merits and functions, signs, simple modulations, transmitter and receiver frontends, and antennas. The fourth bankruptcy addresses the layout of UWB transmitters together with an outline of easy elements, layout of pulse generator, BPSK modulator layout, and layout of a UWB tunable transmitter. bankruptcy five provides the layout of UWB receivers together with the layout of UWB low-noise amplifiers, correlators, and a UWB 1 receiver. bankruptcy 6
covers the layout of a UWB uniplanar antenna. eventually, a precis and end is given in bankruptcy 7.
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Extra info for Design of CMOS RFIC Ultra-Wideband Impulse Transmitters and Receivers
Cadence, San Jose, CA (2006) 19. D. P. Chandrakasan, Gaussian pulse generators for subbanded ultra-wideband transmitters. IEEE Trans. Microw. Theory Tech. 54, 1647–1655 (2006) 20. H. N. G. 1 Introduction A UWB impulse receiver receives UWB pulse signals through its receiving antenna and down-converts them into a baseband signal. For efﬁcient conversion, the down-converted baseband signal should preserve the waveform as close to that of the received signal as possible. 6 GHz, the design of an impulse receiver that can down-convert an input pulse signal and maintain faithfully its waveform is challenging.
16 displays the measured PSD of the impulse signals with 100-ps and 300-ps pulse durations. The measured results clearly show that, for impulse signals, major PSD components always concentrate within a low-frequency range from dc, which deﬁne the bandwidth or frequency operating range of an impulse signal. Accordingly, the bandwidth of the generated impulse signal can be changed by simply tuning the control voltage of the delay cell. For the 100-ps impulse shown in Fig. 16a, the ﬁrst null frequency of the PSD appears at 8 GHz, while that for the 300-ps impulse in Fig.
05 V peak-to-peak Gaussian-type impulse signal with 100–300 ps tunable pulse duration. 75 V peak-to-peak monocycle pulse with 140–350-ps tunable pulse duration. References 1. W. Han, C. Nguyen, Development of a tunable multi-band UWB radar sensor and its applications to subsurface sensing. IEEE Sens. J. 7(1), 51–58 (2007) 2. W. Han, C. Nguyen, On the development of a compact sub-nanosecond tunable monocycle pulse transmitter for UWB applications. IEEE Trans. Microw. Theory Tech. MTT-54(1), 285–293 (2006) 3.