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Recent content by cjkao

  1. C

    Info about routing constraints of FLEX PCBS

    flex pcb details check this document **broken link removed**
  2. C

    rigid pcb/flex/ wire bonding

    wire bonding pcb pitch see document page 4
  3. C

    How to convert WG2004 to PADS?

    pads2004 have a program can translator design and library between powerpcb and wg2004
  4. C

    Datasheet of CH7017 TV Encoder / LVDS Transmitter

    CH7017 data REV:1.1 full someone need it
  5. C

    [P@werPcb] After "Flood", there are such errors, h

    drilled pads with less than 50 thermal extensions you can ignore it if check connectivity with no error search location x=2450.71 y=3673.91 you'll see there is no thermal spoke in this position's pad or via and location 3424, 3016.23 only have one spoke
  6. C

    [P@werPcb] After "Flood", there are such errors, h

    violating thermal spokes remover it's just a wraning tall you which location thermal spokes less then you setup in SETUP--Preferences-- Thermals field.
  7. C

    [Help]about mobile phone PCB layout

    The Intel Wireless Communications and Computing Package User's Guide chapter 5 is a good reference https://developer.intel.com/design/flcomp/packdata/wccp/download/chpt5.htm attach file is fab's presentation about HDI design rule
  8. C

    Can I revert the copper areas in PowerPCB at once ?

    Copper areas in PowerPCB use modeless command "PO" you'll see cooper pour outline select shape and delete it
  9. C

    Can I revert the copper areas in PowerPCB at once ?

    Copper areas in PowerPCB setup-preferences-thermals select remove isolate copper
  10. C

    Mother board Routing guidelines?

    if you use intel's chipset almost can found in web expect new chip https://developer.intel.com/design/chipsets/
  11. C

    What is meant by IPC356 netlist?

    Re: IPC Netlist use this vb script can generator ipc-356 netlist from powerpcb
  12. C

    Recommended land pattern

    lqfp48 pattern it's version 5 library I think you can't use it
  13. C

    Recommended land pattern

    qsop-16 land pattern if you use powerpcb you can use this library it's IPC-7351 Surface Mount Nominal Library https://www.pcblibraries.com/downloads/files/PADS-LIB_SMN7351.zip
  14. C

    Power logic schematic to Protel or Pcad or ORCAD schematic ?

    symbol and schematic translator Symbol and Schematic Translator for OrCAD and PADS-PowerLogic to PADS-Designer Readme File July 3, 2003 Copyright © Mentor Graphics Corporation 2003 All Rights Reserved. THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS THE PROPERTY OF...
  15. C

    Truely Random Bit Generator IC

    Random number generator from japanese company **broken link removed** **broken link removed**
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