An equalized ultra-wideband channel-select filter with a discrete-time charge-domain band-pass IIR filter

被引：11
|
作者：
Yoshizawa, Atsushi [1 ]
Iida, Sachio [1 ]
机构：
[1] Sony Corp, Commun Technol Lab, Tokyo, Japan
来源：
PROCEEDINGS OF THE IEEE 2007 CUSTOM INTEGRATED CIRCUITS CONFERENCE | 2007年
关键词：
D O I：
10.1109/CICC.2007.4405829
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：
An ultra-wideband channel-select filter with equalized pass-band characteristics has been implemented with a 0.13 um CMOS technology. A discrete-time charge-domain IIR band-pass filter is used to compensate degradation of the 3rd-order continuous-time LC-LPF and the sine response of the 1st-order charge-domain LPF, thus significantly equalizing the total filter response through clock signals. Measurements show that the IIR BPF reshapes the pass-band, allowing a 3-dB bandwidth of 500 MHz with a notch at 1 GHz. The total filter, including 3rd-order LC-LPF, 1st-order sine LPF, 1st-order IIR BPF, and clock generator, dissipates 18.8 mW from a 1.2-V supply voltage.
引用
收藏
页码：707 / 710
页数：4
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