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Recent content by kalahara

  1. K

    spice explorer Error when import waveform

    no one ever face this problem before? I think the result file must be tran.tran instead of tran.tran.trn Did I set the ADE uncorrectly?
  2. K

    spice explorer Error when import waveform

    I run transient state simulation in cadence ADE with spectre. it generated the result in the folder of named : my_test/spectre/schematic/psf/(netlist in :my_test/spectre/schematic/netlist/) the result file is namded tran.tran.trn. and I activate the spice explore in the psf floder or elsewhere...
  3. K

    Error (no response) when import layout instance into cadence virtuoso layout

    thank you for your advice. I'm quite sure the bindkey would not be the problem. my bindkey for instance("i") is "3". It is not default bindkey. I write it as "i", in order to underdstandable for others.(default bindkey users) I am gonna check the CDS.log file. icfb show up the massegae I...
  4. K

    Error (no response) when import layout instance into cadence virtuoso layout

    no response when I enter the key "i" on keyboard for importing existing cell into current cell in cadence vituoso layout. show up that: *Error* putprop : first arg must be either symbol, list, defstruct or user type -nil.
  5. K

    Calibre command for selecting layer1 which has two touch edges with layer2

    I need to select layer1 which has two touch edges with layer2 exclude the situation with only one touch edge with layer2. dose someone have any good idea?
  6. K

    cadence virtuoso layout F3 key problem

    thank you very much that is very helpful problem solved!
  7. K

    cadence virtuoso layout F3 key problem

    my cadence virtuoso layout editor's F3 key defined as save as ,not the properities of current tools. Could anyone tell me the function name of F3 key? it would help me change the save as to tools properities window open in the bindkey file. waiting online ...
  8. K

    cadence schematic editor MOS symble generate control

    cadence schematic editor MOS symble netlist generate control is there any way to generate two different model name for one NMOS symble in cadence schematic editor on the basis of two different case. such as, when I run simulation, I take mn for NMOS, when I run layout LVS check, I take mni for...
  9. K

    Is there any good method to reduce Rdson of power MOSFET in IC?

    yeah, right. but, both of nmos and pmos must be used in design.
  10. K

    Is there any good method to reduce Rdson of power MOSFET in IC?

    regardless of the mathod speeking stand point of design, layout or process. if someone could give some advice ? thanks.
  11. K

    How to modify Calibre LVS rule fie to have PSUB2, and there is no softconnect?

    I used seperate p+ diffusion for analog NMOS and power NMOS, and I want Calibre LVS to recoginize the two kind of psub, and it don't report softconnect between them. How to modify Calibre LVS rule file, I want a critical steps , and idea ... thanks a lot waiting for your response.
  12. K

    buck converter start up swing at output

    buck converter startup I'm a biginner of switch power supply circuit. The picture buck.jpg is the top circuit. I want to achieve a 3.3v at vo node. vob node is referenced at 0.5v, and sent into negetive input of error amplifier, and the output of amp is compared with ramp siginal to...
  13. K

    why so big swing at output of buck converter

    I'm a biginner of switch power supply circuit. The picture buck.jpg is the top circuit. I want to achieve a 3.3v at vo node. vob node is referenced at 0.5v, and sent into negetive input of error amplifier, and the output of amp is compared with ramp siginal to generate PWM siginal.PWM is sent...

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