How to plot the DC gain vs Vout,diff?

zhfhit · 发表于 2009-4-2 11:30:03

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When we do differential op design,need to check the op dc gain change with the differential output swing to sure the dc gain is ok for different output swing.we can use input do .DC sweep to get the output swing range ,but how to plot the DC gain vs Vout,diff use hspice or spectre?just like the paper follower. Thanks!

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zhfhit · 发表于 2009-4-2 12:39:55

nobody to reply?

sisititi · 发表于 2009-4-2 13:23:59

What kind of viewer like awave or cosmoscope are you using ? Maybe you can try to derivate the output voltage.

kevinsun · 发表于 2010-4-20 12:16:40

这个我也不懂

abcmcgrady1 · 发表于 2010-4-20 12:47:17

下来看看

jiang330226 · 发表于 2010-4-20 16:09:55

可以参考李福乐那片OTA文章里的仿真方法

zhangfuquan · 发表于 2010-4-20 18:12:34

wavescan 里可以

zhangfuquan · 发表于 2010-4-20 18:21:39

just like this?

vgvhb1 · 发表于 2010-4-20 22:37:20

thank you

liugaba · 发表于 2010-4-22 09:03:08

下来看看

How to plot the DC gain vs Vout,diff?

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