%0 Journal Article
%T Single-Stage Wide-Range CMOS VGA with Temperature Compensation and Linear-in-dB Gain Control<br>具有温度补偿及dB线性增益控制的单级宽范围CMOS可变增益放大器
%A Yun Tinghu
%A Yin Li
%A Wu Jianhui
%A Shi Longxing
%A <br>恽廷华
%A 尹莉
%A 吴建辉
%A 时龙兴
%J 半导体学报
%D 2007
%I 
%X 提出了一种新颖的宽范围CMOS可变增益放大器结构.利用可变跨导和新颖的可变输出电阻,基于单独可变增益级的放大器可提供80dB的宽范围调节.同时控制电路的设计完成了温度补偿及dB线性增益特性,实现在整个温度及增益调节范围内绝对增益误差小于±1.5dB.基于0.25μm CMOS工艺验证表明,放大器可提供64.5dB的增益变化范围,其中dB线性范围为55.6dB.输入1dB压缩点为-17.5到11.5dBm,3dB带宽为65MHz到860MHz,2.5V电源供电下功耗为16.5mW.
%K linear-in-dB
%K temperature compensation
%K variable-gain amplifier
%K automatic gain control<br>dB线性
%K 温度补偿
%K 可变增益放大器
%K 自动增益控制
%K linear-in-dB
%K temperature
%K compensation
%K variable-gain
%K amplifier
%K automatic
%K gain
%K control
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=C1AABD831FDF8CCF&yid=A732AF04DDA03BB3&vid=D3E34374A0D77D7F&iid=E158A972A605785F&sid=AE43DE0664B02889&eid=20C3B205768D55E0&journal_id=1674-4926&journal_name=半导体学报&referenced_num=0&reference_num=14