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A 0.13μm CMOS UWB Receiver for Impulse Radio and MB-OFDM Based WPAN Applications
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- Authors
- Y. J. Lee, J. W. Park, M. Y. Park, C. S. Kim, H. K. Yu
- Issue Date
- 2009-09
- Citation
- European Microwave Integrated Circuits Conference (EuMIC) 2009, pp.37-40
- Language
- English
- Type
- Conference Paper
- Abstract
- A UWB receiver with carrier that has 400MHz cut-off frequency, 73dB dynamic range and -70dBm input sensitivity was generated in 0.13um CMOS technology for applying to the both IR and MB-OFDM UWB transceiver. LNA and VGA have the broad gain variation (27dB and 51dB respectively) using 2bit and 6bit switch control. The 7th order gm-C chebyshev LPF utilizes the modified Nauta OTA and gyrator to extend the 3dB bandwidth to 400MHz. 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.
- KSP Keywords
- CMOS Technology, Frequency synthesizer, Gain variation, Gm-C, Impulse radio(IR), MB-OFDM UWB, Reference frequency, Switch control, UWB receiver, cutoff frequency, dynamic range