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Recent content by acbalbason

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    Python script to transfer ADE-XL output to Excel file

    Hi All, I would like to inquire how would you write a python script to migrate ADEXL output to an excel file. Alfonso
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    Conservative Transient Simulation in Cadence and Matlab Post processing

    Hi All, I have done conservative transient simulation in Cadence after doing ADC. I am trying to post process the output in Matlab using FFT. I have a 10ns period (sampling) but in between periods I have almost 400 points of data in between. This makes it hard to calculate the downsampling...
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    Multivibrator Linearity Test using DFT

    Hi Guys, I tested my monostable multivibrator circuit using the shown setup. And I am getting this output for DFT using 1024 samples, square window and from 0 to 10us. Would anyone be able to say how many bits of linearity do I have? Or can anyone tell me how linear my circuit is? Thanks! - AL
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    D Flip Flop with Reset

    Hi Guys, I'm trying to use a D Flip Flop with Reset. I've been looking around and saw some things that has a Preset and Clear. Would anyone know a cirucit with just a Reset pin? Aside from the D Q Q' and CLK pins. Thanks, Al
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    Monostable multivibrator simulation problem in Cadence Spectre

    Hi Guys, I tried my hands in simulating a simple one shot monostable multivbator in Spectre. I am getting the wrong output for some reason. Is it because the trigger signal is too short? I put it at 1us pulse width. Even when I changed it to 10us, I still don't get the correct output. I tried...
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    Generating sawtooth input waveform in Cadence Spectre

    Hi Guys, How do I generate a sawtooth waveform as input stiumuls to my multivibrator circuit? Thanks! Al
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    HFSS parallelogram box for modeling spiral inductors

    Hi All, I am trying a 2 turn spiral inductor and combine it with another 1 turn to make a transformer. I did a layout in Cadence and imported it in HFSS only to find out it is of a "Non-Model" type so I cannot change its properties for 3D EM simulation. My inquiry would be, how do you make the...
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    SVDB folder under Cadence run directory

    Hi All, I found that the svdb folder under my Cadence run directory takes an ample amount of space. Could I delete these files and not affect my layout, schematics and symbol files? I am guessing the purpose of theses files are for DRC and LVS. Thanks! Al
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    Cadence pc.db file info

    Hi All, Anyone know what is the importance of the Cadence pc.db file inside the layout, schematic and symbol folders? I accidentally deleted them. You know how to restore them? I can still seemingly use the layouts and schematics though. Al
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    HFSS Transformer Simulation

    shlomo22, Hey thanks! Now it works! You also have an idea how to get its SRF? Thank you again! Al
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    HFSS Transformer Simulation

    Hi All, I have a problem with my HFSS 12 simulation. I cannot define the ports correctly so I am having erroneous results. Anyone can advise me on the proper way? I am simulating this transformer at 100 GHz. I have what it seems like 4 ports but I only need 2. I am not sure how you go about and...
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    Coordinates for Imported HFSS from GDS

    Hi All, I imported a design from Cadence into HFSS using GDS. Now my problem is I cannot see the coordinates of the geometric solid. Can anyone help me with this? I imported a transformer and I needed to add definitions for the silicon dioxide and substrate, which I plan to add in HFSS since...
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    65nm TSMC PDK Inductor Finder

    Hi All, Whenever I use TSMC's Inductor Finder it says the Maximum frequency is only 20 GHz. So how does on design say an LNA for example that operates at 60GHz? Thanks, Al
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    using rm to remove multiple types of files

    Hi All, I put this line in my .cshrc alias rmlog "find 'pwd' -name '*.log' -print -exec rm -f {} \;" question is how do i add *.txt or *.fileextension for that matter? Thanks, Al
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    Microwave device characterization

    Hi Z, I attached the paper which I have an inquiry on. Thanks for the prompt reply! Al
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