Hello Gavin, Thanks so much for your reference. Lab 6 helped me a lot regarding the simulations error I was getting, but still couldn't figure out how to do that random pulse for now! But I really appreciate the help.
Best, Salar On Monday, April 2, 2018 at 7:37:48 PM UTC-7, Gavin wrote: > > Have a look at lab 6 on cmosedu.com, maybe the LTSPICE or IRSIM example > there can help: > > > http://cmosedu.com/jbaker/courses/ee421L/f13/students/solori12/lab6/lab6.htm > If you cannot generate the waveform that you want with PULSE, maybe it can > be created from a PWL statement or PWL File instead: > > > http://www.analog.com/en/technical-articles/ltspice-piecewise-linear-functions-for-voltage-current-sources.html > > On 4/2/2018 1:33 PM, Salar Parast wrote: > > Hello Justin, > > Thanks so much for your quick reply. > I know it is a great idea to learn SPICE and I can't argue with that. > Beside the help files of LTSpice, is there any other reference that you > recommend which would be helpful in this specific case? > Also I have found some codes that generates the pulse waveform that I want > like the CLK and RST, but how would you go about the input, if we need a > random pulse such as the one I mentioned before. > Thanks again for all your help. > > Best, > > Salar > > On Saturday, March 31, 2018 at 11:50:31 PM UTC-7, Justin Spencer wrote: >> >> Hello Salar, >> >> Good day! How are you? >> I see you're using pass transistor logic in you're design. >> Regarding testing, I encountered the same problem when I made an >> arithmetic unit. >> So I instantiated the power supplies via SPICE code instead. >> If you're unfamiliar with the syntax as you mentioned, I think it would >> be best to learn it (trust me you'll thank me later, it will give you a lot >> of flexibility in your simulations). And it's not that hard. When I was >> starting, I just relied on the help files in LTSpice which have proven to >> be of great use. >> >> Cheers! >> Justin >> >> On Sunday, 1 April 2018 10:34:10 UTC+8, Salar Parast wrote: >>> >>> Hi all, >>> >>> For my project I have to make a SIPO shift register using D-FF and >>> transmission gates. >>> I have made the schematic of the D-FF, and now I would like to test my >>> design and see if my shift register is working properly. >>> How can I make a pulse for my clk with fixed duration? >>> Also I would like to give some random sequence like 01000111101010101 to >>> my input to capture the shifting perfectly, how could I go about this? >>> I would prefer to use the Electric's own simulation since I am not >>> familiar to spice and coding this in LTspice. >>> >>> Any help would be appreciated. >>> >>> Best, >>> >>> Salar >>> >>> <https://lh3.googleusercontent.com/-HlAvQZTG_EY/WsBETUkZzkI/AAAAAAAAEkk/-6PUjg1CC6sbv_iF30aGXTGjInAXTh6kwCLcBGAs/s1600/javaw_2018-03-27_19-53-10.png> >>> >> > > > > -- You received this message because you are subscribed to the Google Groups "Electric VLSI Editor" group. To unsubscribe from this group and stop receiving emails from it, send an email to electricvlsi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
