A 100 MHz Gm-C BandPass Filter Chip Design for Wireless Application

被引：0
|
作者：
Huang, Jhin-Fang [1 ]
Lai, Wen-Cheng [1 ]
Lai, Yan-Cheng [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 106, Taiwan
来源：
2012 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP 2012) | 2012年
关键词：
band-pass filter; Nauta transconductors; G(m)-C;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A sixth-order Butterworth bandpass filter using a leap-frog G(m)-C structure for wireless applications is proposed. The filter is targeted for an intermediate frequency (IF) receiver, which has a center frequency of 100 MHz and a passband of 20 MHz. Fully differential Nauta's transconductors are used in this design, allowing the circuit to work over a large frequency range. The single-to-differential converter before the filter is designed in order to provide differential output for filter usage. The proposed bandpass filter including converter has been fabricated in TSMC 0.35 um CMOS process with 3.3 V supply voltage. Measured results show that the proposed G(m)-C bandpass filter achieves a center frequency of 94.45 MHz and a passband of 25 MHz. The chip area including pads is only 0.475 mm(2) and the power dissipation is 42.25 mW.
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页数：4
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