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Recent content by hillline

  1. H

    How to monitor pressure in a touch-free way?

    i ask an idea that how to monitore pressure in a nontoutch way.The principle of physics.for example,get a distance by laser
  2. H

    protel schematic library

    P*otel schematic library you perhalps use protel dxp,because it's better than 99 in the fpga and pld design,and it provide the schematic library that you need.
  3. H

    The value of width and clearance in a common design

    Ask for the value of width and clearance in the commen design
  4. H

    Why the pad of mega128 is green?

    dxp(sp4) problem Thank you for your help
  5. H

    Why the pad of mega128 is green?

    I am designing a pcb without sch,because there is only one ic used in the project.But I find a problem that the pad of ic mega128 is green,when I add the nets manuilly.My clearance is 0.4mm and the width is 0.4mm.I want to catch it.
  6. H

    How to modify dxp 2004 project(via size, routing line)?

    problem of dxp 2004 I has designed a pcb project with dxp2004,but now i find that I take mistakes of the size of via and the width of routing line.I want to know how to modify them in easy way not one by one
  7. H

    Opamp - ADC merging results in off output value

    opamp adc merging try ad's opamp and read the book of ad on this aspect.i remmber it cover this
  8. H

    Looking for a 12v to 20v DC/DC boost converter

    12v to 20v DC/DC do you tell some detail

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