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OTA simulations

Discussion in 'Electronic Design' started by jutek, Jan 17, 2006.

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  1. jutek

    jutek Guest

    hello

    could you tell me what's happening.

    I design an OTA for LDO and met this problem. When i do .OP and polarize
    inputs with a given voltage, everything is alright. I've got 100V/V
    gain and so on.

    How to set AC properly to achieve the same results?
    I simulate LDO with an open loop. negative input is grounded through
    small resistor and AC=1 signal is connected to positive one.

    maybe it's too late, but itdoesn't change i don't understand it.

    regards

    luke
     
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