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analog is indeed a good field for you participate,you will be very much interested in it.but when you find your job,there will be a lot of problems that you will find digital students will have more oppotunities than analog ones.
hspice vth
there is an exact formula in baker's book,from the exercise he did with hand calculation and spice simulation ,it is quite accurate,however,it is too complicated,you can turn to the book.another question: why do you need to calculate it ,why not see it in the spectre simulation
About Bandgap
several mvs,Is there any possibility of changing so much between the chips.If that case occurs,should we take the design problem into consideration
ic5141 works in rhel5
I have just setup my IC5141 software on Red Hat Enterprise edition (RHEL 4,0) version. I used the c5141.tar which has been set well on other computers,and what I need to do is to untar it in my home directory,and .cshrc,.cshinit,a cshell file are all needed.you can have a try
thank you abcyin for taking care my question,what i mean is:the amplitude of |PSRR| should decrease with the frequency increase(from ALLEN's book),but my result is just the opposite and the graph seems to be unnormal,which confused me much.
as for the PSRR,I once met a problem,I use a ac source in the VDD source,however,from the magnitude and phase of the output I got a result graph which is reverse with the expected graph,and I do not know how to settle this problem,please anyone who have done the simulation before give some...
I have also found the same problem as katrin
considering the small difference between the two transitors,I did not pay much attention,but from Humungus's viewpoint,I realize that there is still a long way to go,thank you
CMOS symbol can be found in viso software,I have once used it for my homework,as for the IEEE paper,I also want to know which tool can be accessed more popularly.
bandgap reference design
hello,A.Anand Srinivasan,I have a question when the circuit works stablely,its + and - input will have the same voltage ,however,why can they not be changed ,in a opamp design circuit,do we need to care the positive and negative input
does 0Eldo have more advantage over hspice,whta is the special function purpose in simulation and why not use hspice?
Added after 6 minutes:
I have checked it in the webserach,the eldo simulation tools can shorten the simulation period and many companies such as hair has taken it in its...
what is eldo
does the two tools smartspice and eldo have the same function with hspice,acturally,I also have not heard that tools before,can anyone give some introduction between them.
I am now reading IC mask design it is really a good book for the layout beginning learner,you can have a try,anyone have the CMOS IC Layout can you share with me ,thanks in advance,or you can provide me a website,
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