[Paper]Low-voltage CMOS current amplifier and its use

gmc832002 · 发表于 2006-9-15 16:15:51

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Abstract: A CMOS current operational amplifier (COA) is exploited to obtain a voltage amplifier operating at I V and with an input bias voltage of 0.5V. The COA employs a class AB input stage that enhances the slew-rate performance and provides accurate control of both the quiescent currents and the input bias voltage. It exhibits a 56-dB loop gain with a gain-bandwidth product of 18 MHz. Based on this COA, a I-V voltage amplifier is implemented. It provides a constant closedloop bandwidth of about 2MHz and exhibits a THD better than 4 0 dB for a I-MHz 600-mVP, output signal.

[ 本帖最后由 gmc832002 于 2006-9-15 16:17 编辑 ]

iceman · 发表于 2006-9-16 16:06:49

mei qian

abab1394 · 发表于 2006-9-16 21:52:30

谢谢。。。

cisse · 发表于 2007-6-5 15:07:48

正在找关于电流amp的资料，谢lz

digito77 · 发表于 2007-10-30 17:28:06

感謝!! 感謝!!

material · 发表于 2008-12-4 15:41:45

tansddd

nicofen · 发表于 2008-12-16 15:22:34

good...

liushangpiao · 发表于 2009-9-6 09:44:59

GOOD >>>>>

wangsun · 发表于 2009-10-9 05:53:44

顶起来

davidwx54 · 发表于 2010-7-31 14:52:30

谢谢楼主

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[Paper]Low-voltage CMOS current amplifier and its use

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