A low-voltage low-power rail-to-rail constant gm transconductance amplifier

被引：0
|
作者：
Eltawil, AM [1 ]
Soliman, AM [1 ]
机构：
[1] Cairo Univ, Dept Elect & Commun Engn, Cairo, Egypt
来源：
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2000年 / 24卷 / 02期
关键词：
analog VLSI; analog filters; low-power; low-voltage; transconductance amplifiers;
D O I：
10.1023/A:1008332021967
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a low-voltage low-power rail-to-rail constant g(m) transconductance amplifier (TA) is introduced. The supply voltages are set at (+/- 1.5 V). The circuit depends on selecting the maximum transconductance (g(m)) to achieve an almost constant g(m) over the entire common-mode (CM) range. The circuit is then used to realize a second-order 4 MHz lowpass filter consuming 530 mu W, and a fifth-order 450 kHz lowpass elliptic filter consuming 2.3 mW. Both filters can be integrated on silicon without any external connections.
引用
收藏
页码：129 / 139
页数：11
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