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Type: Posts; User: czjpassby

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  1. Closed: Re: fully differential opamp' s output is not symmetrical

    thanks for all of you, I have got the reason
  2. Closed: M1 is an instance of an undefined model nmos2v

    dear friends:


    when I use spectre, somehing errors appears: "M1 is an instance of an undefined model nmos2v"
    I check the model library and netlist, I found the name is netlist...
  3. Closed: Re: fully differential opamp' s output is not symmetrical

    dear FvM:
    thank you for your reply. can I think that is a normal results? if it is, could you tell me the reson about the undifference befor 1ms as shown in figure. 1.
  4. Closed: fully differential opamp' s output is not symmetrical

    dear friends:

    the tran simulation of a fully differential opamp likes the following figure, the frequency of input signal is 5MHZ to obtain figure.1 and it is 100hz with figure.3....
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    [SOLVED]Closed: Re: Stability Simulation with Cadence

    dear friend:

    What your said is helpful for me, and could you share the article (that comes form frank as you mentioned ) with me, I am confused with fully differential opamp's STB analysis.
    ...
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