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i post the circuit again ,this one is clear.
yes ,i plot the DC voltage and current, decide the DC point ,but i'm not clear about the presentation of the DC point ,i can't see its effect.
thanks
thanks,
I upload my circuit diagram ,where the same file is located:
i think the parameters are probably not set right,but i can't find how to
Added after 18 minutes:
hi ,friends,can you leave you email or msn?thanks
my msn: ss_dengdeng(at)hotmail.com
r2,r3,M3 form the transimpedance stage,
I post another circuit ,you can see this one ,its gain also negative
Added after 3 minutes:
hi ,friends,can you leave you email or msn?thanks
my msn: ss_dengdeng@hotmail.com
hspice model for 0.35 technology
Maybe I should make some modifications of SPICE model before using it in ADS,http://eesof.tm.agilent.com/docs/adsdoc2002/netlist/net0823.html,
but still I don't understand how to .
0.25um cmos technology
@DS is Advanced Design System from @gilent Company,It's similar to Hspice but it's used in RF system.Maybe somebody who is familiar with Hspice and ADS can tell me if I can use MOSIS models directly in ADS.
thanks
modello mos level 3 0.35 um
I know that Spice is diffenrent from ADS，I want to wonder if I can use the Spice cmos technology model in ADS .If not ,where I can get the ADS cmos technology model ?
thanks
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