A 250 MHz low voltage low-pass Gm-C filter

被引：0
|
作者：
Tien-Yu Lo
Chung-Chih Hung
机构：
[1] National Chiao Tung University,Analog Integrated Circuit Laboratory, Department of Electrical Engineering
来源：
Analog Integrated Circuits and Signal Processing | 2012年 / 71卷
关键词：
Operational transconductance amplifier (OTA); Filter; Ultra-wide band system;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A high speed and high linearity Gm-C low-pass filter is presented. The proposed OTA is designed under low power supply voltage consideration while its gain, excess phase, and linearity are well maintained. The common-mode control system, including common-mode feedback and common-mode feedforward circuits, is added to ensure stability of the proposed filter. Measurement results show that the inter-modulation distortion of −40 dB can be achieved with 250 MHz 400 mVpp balanced differential input signals. The filter works in 1 − V supply voltage and its power consumption is 32 mW.
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页码：465 / 472
页数：7
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