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Recent content by guoluren

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    Simulation of a multilayer interdigitated capacitor

    I am not sure if you mean interlayer capacitor(vertical coupling) by MIM? I used both vertical and horizontal coupling, maybe that's where the difference is.
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    Simulation of a multilayer interdigitated capacitor

    You are right. I have considered this. Added after 10 minutes: I'd like to have a more accurate reference. Could you lend some help?
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    Simulation of a multilayer interdigitated capacitor

    Thanks Timof. That's exactly what I need, although some illusions about extraction tools(even some 2D simulators)are blown.
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    Simulation of a multilayer interdigitated capacitor

    Thanks you guys. I did generate sub stacks by hand. I think I have taken care of these definitions in the beginning. In Momentum I have taken thick metal expasion into account when setting dielectric layers. In Sonnet, dielectric layers are independent from metal stack. Has anyone done these...
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    Simulation of a multilayer interdigitated capacitor

    Hi, I am designing a multilayer interdigitated capacitor in a BiCMOS process with 6 metal layers. This capacitor is mainly for decoupling purpose, but some variants are also used for RF purpose in millimeter-wave range. Targeting capacitance falls in the range of 50fF to 300fF roughly. I have...
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    A question about ADS Trans simulation

    ads polar(dbmtow(10),90) Thanks. I also think source impedance should be included in trans simulation. It is just in one of my simulations, the results with either a power source(P1tone, of course with source impedance) or a time source + 50 ohms resistor in series are different. It seems...
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    A question about ADS Trans simulation

    ads tran In ADS, can I use P1tone as input with trans simulation? Since time domain source like Vtsine does not have source impedance, so do they give correct result when source impedance is important?
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    Problem with transmission line and SpectreRF Cadence

    tline cadence It seems that SpectreRF PSS does not work with ideal transmission line model from Analoglib, tline. It gives a warning about unable to deal with distributed components. Actual transmission line component works fine with PSS. I am now using tools in ADS to build matching network...
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