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In this case, the metal is inside the silicon dioxide, the boundary is ground or PECs. I think the boundary is OK. Yes, it seems that there is another parallel path for the wave. But i could not find this. PlanarMetamaterials , thank you.
I try to model a single wire in HFSS and export the RLC parameters. I modeled, simulated and exported a lump model. But the resistance of the wire is very small. It seems that the capacitance is reasonable. Please help me. thank you. the attached is the project and the exported lump model. the R...
Re: why scan chain is deleted before placement and reconnect
since the need of reordering the chain,does this mean that the chain is not neccessary before placement?
sorry, i have redrawn the diagram.
when the clk=0, input d is stored in the first inverter loop. it need some time to go to stable before the clk=1, this is the setup time.
But how about the holdtime? when the clk=1,the first tran_cmos is turned off, why the input data d shoud be stable after...
In a flip flop like this,anyone can tell me how is the hold time violation come from?
when clk=1,the first tran_mos is off, how can the input D effect the output Q?
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