Title :
A 0.13µm CMOS UWB receiver for impulse radio and MB-OFDM based WPAN applications
Author :
Lee, Y.J. ; Park, J.W. ; Park, M.Y. ; Kim, C.S. ; Yu, H.K.
Author_Institution :
RF/Analog SoC Design Team, ETRI, Daejeon, South Korea
Abstract :
A UWB receiver with carrier that has 400 MHz cut-off frequency, 73 dB dynamic range and -70 dBm input sensitivity was generated in 0.13 um CMOS technology for applying to the both IR and MB-OFDM UWB transceiver. LNA and VGA have the broad gain variation (27 dB and 51 dB respectively) using 2 bit and 6 bit switch control. The 7th order gm-C Chebyshev LPF utilizes the modified Nauta OTA and gyrator to extend the 3 dB bandwidth to 400 MHz. Frequency synthesizer that cover both IR and MB-OFDM UWB is proposed. According to the controllable division ratio and reference frequency, the wanted channel can be selected.
Keywords :
CMOS integrated circuits; Chebyshev filters; OFDM modulation; frequency synthesizers; gyrators; low noise amplifiers; low-pass filters; operational amplifiers; personal area networks; transceivers; ultra wideband communication; 7th order gm-C Chebyshev LPF; CMOS UWB receiver; LNA; MB-OFDM; VGA; WPAN application; broad gain variation; frequency 400 MHz; gain 3 dB; gyrator; impulse radio; modified Nauta OTA; size 0.13 mum; switch control; Bandwidth; CMOS technology; Chebyshev approximation; Cutoff frequency; Dynamic range; Gain; Gyrators; Receivers; Switches; Transceivers;
Conference_Titel :
Microwave Integrated Circuits Conference, 2009. EuMIC 2009. European
Conference_Location :
Rome
Print_ISBN :
978-1-4244-4749-7
