A CMOS 310 MHz, 20 dB Variable Gain Amplifier

被引：0
|
作者：
Hadidi, K [1 ]
Khoei, A [1 ]
Jenabi, M [1 ]
Peyravi, H [1 ]
机构：
[1] Urmia Univ, Dept Elect Engn, Urmia 57159, Iran
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2003年 / E86A卷 / 05期
关键词：
VGA; PGA; adjustable gain; amplifiers; CMOS circuits;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes a new special purpose Variable Gain Amplifier (VGA) using 0.5 mum digital CMOS process. The new architecture allows the gain to be varied more than 20 dB, and does not trade bandwidth for gain. Despite low power consumption (22 mW) from a 3.3 Volt supply, the circuit has 310 MHz -3dB bandwidth and shows low THD (-45 dB) over its full frequency range. The new VGA architecture does not use any capacitor or resistor array for gain adjustment, thus it is very compact (0.14 mm x 0.26 mm) and requires less power than conventional designs.
引用
收藏
页码：1233 / 1239
页数：7
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