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Title: Low-power CMOS RF front-end for non-coherent IR-UWB receiver
Authors: Zheng, Y.
Gao, Y.
Hens, C.-H. 
Issue Date: 2008
Source: Zheng, Y., Gao, Y., Hens, C.-H. (2008). Low-power CMOS RF front-end for non-coherent IR-UWB receiver. ESSCIRC 2008 - Proceedings of the 34th European Solid-State Circuits Conference : 386-389. ScholarBank@NUS Repository.
Abstract: This paper presents a low-power CMOS RF front- end for 3-5 GHz non-coherent impulse-radio ultra-wideband (IR-UWB) receiver. The proposed front-end comprises a variable-gain low noise amplifier (VG-LNA), an active balun and an analog squarer. Current reuse topology has been adopted in both VG-LNA and active balun to reduce the power consumption. The squarer design is based on the quadratic law of MOSFET in saturation and the performance is optimized for 3-5 GHz UWB signal detection using cascode stage and active load. The VG-LNA has a measured maximum voltage gain of 33 dB/12 dB for high/low gain modes with minimum noise figure 3.7 dB/4.2 dB respectively. Measurements show that the proposed RF front-end achieves an input sensitivity of -91 dBm for UWB on-off keying (OOK) input signal at 1 Mbps pulse rate with an energy efficiency of 3.1 nJ/bit. copy; © 2008 IEEE.
Source Title: ESSCIRC 2008 - Proceedings of the 34th European Solid-State Circuits Conference
ISBN: 9781424423620
DOI: 10.1109/ESSCIRC.2008.4681873
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