Q : folded cascode fully diffrential ota and the sc-cmfb

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sanlm

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The first figure show the transient of the opamp. I don't konw that what is the problem for the output , when i don't add the syntax "accurate" to .options.

This opamp is for delta-sigma adc. my system clock is 6.144MHz.

process : 0.18UM 1.8V

.op
.tran 162.76n 702.8u start=35.55u ***162.76n = 1/6.144e6
.options post nopage RMAX=6.144E-4


op output
**broken link removed**

the cmfb voltage
**broken link removed**

op circuit
**broken link removed**

sc cmfb circuit
**broken link removed**


sorry , i already renew file .
help me , please.
 

folded cascode fully diffrential ota and the sc-cmfb

All I see when I click those pic links is a signup page.
 

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    sanlm

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Re: folded cascode fully diffrential ota and the sc-cmfb

all links are working fine. try again


dick_freebird said:
All I see when I click those pic links is a signup page.
Click to expand...
 

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