A wide tuning range GmC filter for multi-mode CMOS direct-conversion wireless receivers. Lo, T., Hung, C., & Ismail, M. IEEE Journal of Solid-State Circuits, 2009.
abstract   bibtex   
A third-order channel selection filter for multi-mode direct-conversion receivers is presented. The filter is designed with a Butterworth prototype and with the target wireless applications of Bluetooth, cdma2000, Wideband CDMA, and IEEE 802.11a/b/g/n wireless LANs. Linear-region MOS transistors are used to perform voltage-to-current conversion. The wide tuning range is achieved by the current multipliers and linear voltage-to-current converters. Implemented in the TSMC 0.18\ μ m CMOS process, the measurement results show that the filter can operate successfully over a cutoff frequency range of 500∼kHz to 20 MHz, and is compliant with the requirements of different wireless applications. The power consumption is 4.1 mW to 11.1 ∼mW for minimum and maximum cutoff frequencies respectively from a 1.2 V supply voltage. The circuit performance compares favorably with previously reported works. © 2006 IEEE.
@article{
 title = {A wide tuning range GmC filter for multi-mode CMOS direct-conversion wireless receivers},
 type = {article},
 year = {2009},
 identifiers = {[object Object]},
 keywords = {Current multiplier,Direct-conversion receiver,Multi-mode,Transconductor,Wide tuning range},
 volume = {44},
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 abstract = {A third-order channel selection filter for multi-mode direct-conversion receivers is presented. The filter is designed with a Butterworth prototype and with the target wireless applications of Bluetooth, cdma2000, Wideband CDMA, and IEEE 802.11a/b/g/n wireless LANs. Linear-region MOS transistors are used to perform voltage-to-current conversion. The wide tuning range is achieved by the current multipliers and linear voltage-to-current converters. Implemented in the TSMC 0.18\ μ m CMOS process, the measurement results show that the filter can operate successfully over a cutoff frequency range of 500∼kHz to 20 MHz, and is compliant with the requirements of different wireless applications. The power consumption is 4.1 mW to 11.1 ∼mW for minimum and maximum cutoff frequencies respectively from a 1.2 V supply voltage. The circuit performance compares favorably with previously reported works. © 2006 IEEE.},
 bibtype = {article},
 author = {Lo, T.-Y. and Hung, C.-C. and Ismail, M.},
 journal = {IEEE Journal of Solid-State Circuits},
 number = {9}
}

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