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Recent content by picotube

  1. picotube

    Help me with using graphics in visual c++

    graphics in visual c++ Check out here: https://www.cs.cityu.edu.hk/~lwang/ccs5253/Graphics.htm
  2. picotube

    How to use the S-function block in simulink?

    S-function in simulnk Try here: **broken link removed**
  3. picotube

    [HELP] Problem when installing Altium Designer 2004 SP3

    Re: [HELP] Problem when installing @ltium Designer 2004 SP3 I tried before but I was not allowed to join the forum. Don't know why... Do you have the access to the forum? If YES, would you pls help me to post the question? Many thanks. Added after 2 minutes: 1) I don't have previous version...
  4. picotube

    Why does the capacitor or inductor get smaller in SMPS...?

    I heard some people say if the switching frequency used in SMPS is higher, the capacitor or inductor used will be smaller also. Why? Can someone pls explain? Thanks.
  5. picotube

    Computerized Monitoring Of E.C.G

    I think the board shown in images.zip is for ISA slot. Try the following links: https://www.biosemi.com https://www.analog.com/library/analogDialogue/archives/37-11/ecg.pdf https://www.analog.com/library/analogDialogue/archives/29-3/low_power.html
  6. picotube

    [HELP] Problem when installing Altium Designer 2004 SP3

    When I was installing Altium Designer 2004 SP3 (AltiumDesigner2004SP3.exe), I got the following error message: "There was a problem installing the parallel port driver" How to solve the problem? Thanks.
  7. picotube

    How to use the ASCII code

    ASCII #include <stdio.h> void main() { int ascii_char; ascii_char = 65; // %c is used to print out the character represented by the ascii code printf("The ascii code of %c is 65.", ascii_char); }
  8. picotube

    What is the Difference Between a Voltage & Current Sourc

    Re: What is the Difference Between a Voltage & Current S I think Ianp's comment is correct. Ideal voltage has Zero Internal resistance.
  9. picotube

    Is power transmission line insulated?

    IanP, thanks. Do you know the equipvalent resistance (value) of human body? Besides, how much current that human body can withstand before die? Thanks.
  10. picotube

    Is power transmission line insulated?

    Do you think the power transmission line/conductor (see attached figure) is insulated?
  11. picotube

    [Help]...advise optocoupler

    Try Agilent's optocoupler... **broken link removed**
  12. picotube

    Pulse-Power ... any idea?

    Anyone know what's Pulse-Power? Someone told me that Pulse-Power was used to remove the skin of potato in factory, really?
  13. picotube

    Looking for SMPS design examples or schematics

    help: smps design There is a ATX schematic here:
  14. picotube

    Best microcontroller for beginners?

    best microcontroller book You can find some low cost development kits here: https://www.futurlec.com/DevelopmentBoards.shtml
  15. picotube

    Where can I get information about DC-DC?

    DC-DC Start from buck, then boost, then buck-boost ... once you're familiar with those topologies, you can move to more advanced topologies...

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