Recent content by caprice24

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    Wye Delta Impedence Transform Proof?

    Proof Thank you for your explanation. I tried it and it works. However, I am trying to understand why it works, and am having trouble visualising it. When you short out two terminals of the Delta network so that one of the resistors is in effect 0 Ohms, you have a parallel combination of R...
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    Wye Delta Impedence Transform Proof?

    I am studying the familiar Wye Delta Impedence transform and can easily prove that R1, R2 and R3 in the Wye configuration are equal to Ra, Rb, and Rc in the Delta configuration according to R1= Ra*Rb/(Ra + Rb +Rc) R2= Ra*Rc/(Ra + Rb + Rc) R3= Rb*Rc/(Ra + Rb + Rc) This proof is fairly...
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    Differential Op Amp Gain Problem

    Hi, I have a problem I am trying to work out on simple Op Amps gain, and I am having trouble trying to prove what the gain is. I know what the gain is supposed to be (see below), but I am stumped as to how to actually go about proving it. When I try to setup the Kirchoff node equations I get...
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