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Recent content by Holzapfel

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    How to include certain cells in synopsys design compiler

    Hi, many thanks! For me somehow I cant set true or false, I use "set_dont_use" and "remove_attribute dont_use" instead
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    How to include certain cells in synopsys design compiler

    Hi everyone, In synopsys design compiler, I only want to use several cells during optimization. I know "set_dont_use", but this command is too long and complex since I only want to use 10 cells... Is there any opposite command of "set_dont_use" something like "set_only_use" in synopsys design...
  3. H

    Pulse width of irregular wave

    Hello, the input wave is trapezoidal wave, rise time=30ps, fall time=30ps,plateau is 20ps,with amplitude=500m, it is the input signal of a 1bit adder's carry_in, so the pulse width of trapezoidal wave is 50ps. The output as shown in the figure, is the wave occurs at carry_out. I need to record...
  4. H

    Pulse width of irregular wave

    Hi, thanks for reply. Yes I know this "pulse" is really irregular... and I'm now looking for how can I approximate this irregular wave into a square wave.
  5. H

    Pulse width of irregular wave

    Hello everyone, I'm trying to inject pulse with different pulse width and height in to my adder circuit though carry_in, and record the height/width of pulse occurs at carry_out, and then build regression model... This is background. I'm facing some troubles, in simulation I get a lot of...
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    Simple Problem of Systemverilog

    Hallo, since all the inputs and outputs are type logic, so I use signal_transport as logic too.
  7. H

    Simple Problem of Systemverilog

    Hallo everyone, Im very new to sv and I have a quite simple question. I have 3 module now, lets say there a module_1,module_2 and module_3. Module_1(input a_1,output a_1); module_2(input a_2,output a_2); module_3(input a_3,output a_3); Now I want to instance module_2 and module_3 in...

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