A linear transconductor and its application in an analog filter in 120nm CMOS

被引：1
|
作者：
Kolm, Robert [1 ]
Zimmermann, Horst [1 ]
机构：
[1] Univ Vienna Technol, Inst Elect Measurements & Circuit Design, Vienna, Austria
来源：
2006 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11, PROCEEDINGS | 2006年
关键词：
D O I：
10.1109/ISCAS.2006.1693213
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A gmC-filter in 120nm CMOS with a digital programmable gain and cut-off-frequency is presented. For this application a technique to enhance the linearity of a fully differential Operational Transconductance Amplifier (OTA) is proposed. A filter of 3(rd) order with a cut-off-frequency between 235MHz and 285 MHz and a gain between OdB and 5dB is implemented. The third harmonic distortion of this filter is -43dB for a 400mV peak-to-peak differential output signal for minimum gain and -48dB for maximum gain.
引用
收藏
页码：2829 / +
页数：2
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