A New Low Voltage CMOS Transconductor for VHF Filtering Applications

被引：1
|
作者：
Luo Zhenying
M.F. Li
Yong Lian
S.C. Rustagi
机构：
[1] National University of Singapore,Signal Processing and VLSI Design Lab, Department of Electrical and Computer Engineering
[2] Institute of Microelectronics,undefined
来源：
Analog Integrated Circuits and Signal Processing | 2003年 / 37卷 / 3期
关键词：
low voltage; CMOS; transconductor; VHF; filter;
D O I：
10.1023/A:1026226010627
中图分类号：
学科分类号：
摘要：
In this paper, a new differential input CMOS transconductor circuit for VHF filtering application is introduced. The new circuit has a very high frequency bandwidth, large linear differential mode input range and good common mode signal rejection capability. Using 0.35 μm CMOS technology with 3 V power supply, the transconductor has a ±0.9 V linear differential input range with a −54 dB total harmonic distortion (THD) and more than 1 GHz − 3 dB bandwidth. The large signal DC analysis and small signal ac analysis derived by compact equations are in line with SpectreS simulation. A 3rd order elliptic low pass gm-C filter with a cutoff frequency of 150 MHz is demonstrated as an application of the new transconductor.
引用
收藏
页码：233 / 242
页数：9
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