A Low-Voltage Low-Power Rail-to-Rail Constant gm Transconductance Amplifier

被引：0
|
作者：
Ahmed M. Eltawil
Ahmed M. Soliman
机构：
[1] Cairo University,Department of Electronics and Communication Engineering
来源：
Analog Integrated Circuits and Signal Processing | 2000年 / 24卷
关键词：
analog VLSI; analog filters; low-power; low-voltage; transconductance amplifiers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, a low-voltage low-power rail-to-rail constant gm transconductance amplifier (TA) is introduced. The supply voltages are set at (±1.5 V). The circuit depends on selecting the maximum transconductance (gm) to achieve an almost constant gm over the entire common-mode (CM) range. The circuit is then used to realize a second-order 4 MHz lowpass filter consuming 530 μW, and a fifth-order 450 kHz lowpass elliptic filter consuming 2.3 mW. Both filters can be integrated on silicon without any external connections.
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页码：129 / 139
页数：10
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