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Re: Questions about phase in .AC LTspice Analysis


hoa van nguyen
 

Hello Helmut & Andy,

Thank you for helping me.
Helmut: You have defined "AC 1" in two extra sources. This is simply wrong for this application. Instead you should define AC 1 in the input source. By the way it's bad practice to hide the AC-value in a V-sources as you did.

A: it must be an accident. I ran your corrected "2stages_2CascodeDiff_ACsim_test2.asc"?
and it works great, but I still don't see where are "AC 1" in two extra sources in my
schematic. Could you please tell me where they are, so that I can learn from that.

Now slowly I understand what you tell me. I need time to think about what I learn
so far from your guys and would like to go back to your guys for my full understanding.

Regards

Hnguyen

On Friday, December 6, 2013 12:48 PM, "helmutsennewald@..." wrote:
?
Hello Hnguyen,

You have defined "AC 1" in two extra sources. This is simply wrong for this application. Instead you should define AC 1 in the input source. By the way it's bad practice to hide the AC-value in a V-sources as you did.

I have corrected your schematics and uploaded it into your folder. Simulate with my files and you will see that everything is OK now.

Best regards,
Helmut


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