The Design of High-frequency OTA-C filter For Wireless Sensors Network Applications

被引：0
|
作者：
Gao, Zhiqiang [1 ]
Zheng, Wei [1 ]
Yin, Liang [1 ]
Liu, Xiaowei [1 ]
机构：
[1] Harbin Inst Technol, Dept Microelect, Harbin 150080, Peoples R China
来源：
MICRO-NANO TECHNOLOGY XIV, PTS 1-4 | 2013年 / 562-565卷
关键词：
CMOS process; OTA-C filter; Frequency automatic tuning; Process corner;
D O I：
10.4028/www.scientific.net/KEM.562-565.668
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The paper is presented the design of high-frequency OTA-C band-pass filter with on-chip automatic tuning. In this design, the linear operational transconductance amplifier (OTA) is proposed based on fully complementary differential pairs with source degneration, and achieves both low-distortion figures and high-frequency operation. The matching design between the master filter and the slave filter is also given, and the non-ideality effect of the OTA-C filters with on-chip automatic tuning is discussed. The whole circuit is designed using TSMC 0.18 mu m 1.8V CMOS process and post-simulation results show the center frequency of filter is 105MHz with relative error of 0.4%, when the process corner varies between SS, TT, FF, and the temperature from -20 to 120 degrees C.
引用
收藏
页码：668 / 673
页数：6
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