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Recent content by muthuselvam

  1. M

    rfid tag design for 125khz

    hi, You refer the TI, EMMicroelectronics,NXP websites for RFID reader design. There are more application notes. Regarding Tag design it is better to buy it from market. First choose the reader IC and then buy the corresponding Tag. Hope this helps. Thanks, Alex
  2. M

    MOSFET Parameters(Clarifications)

    Hi, What is the importance of the Continuos source current, Gate charge(Qg), Gate-Source Charge (Qgs), Gate-Drain Charge (Qgd) in MOSFET design? Thanks, Muthu
  3. M

    Decoupling or Bypass Capacitors

    hi 0by1, It is better to use separate caps for each VCC Pins.... i.e 'N' no of caps for 'N' VCC Pins...Please note that the Caps should be close to the VCC Pin of the IC. Regards, Muthu
  4. M

    Could you help me to start FPGA programming?

    Hi Theasus, Regarding Xilinx you can refer the help section of the ISE Software. I hope it has enough information to start. Meanwhile you refer the Xilinx website they have some AN for starting the Programming. Regards, Muthu
  5. M

    Compare the Package SOT109A and SOT109-1

    Hi, Is there any difference between the two Packages SOT109A and SOT109-1? Thanks, Muthu
  6. M

    Gerber file extension classification

    Hi I have received a set of gerber files with *.gbr file extension. But I could not able to classify it to top layer, bottom layer, Silk layer Top like this. Can anybody help me to idendity which file belons to which layer? Regards, Muthu
  7. M

    How to create library in Dx designer

    Hi, I am new to DxDesigner. currently using ver 2005.1. In Orcad capture we can get the component by adding corresponding .lib file and it is available for all the projects. But in DxDesigner is there any common library file?. If I get the library file from IC vendor how to add into Dxdesigner...
  8. M

    Adding component library in DxDesigner

    Hi, I am new to DxDesigner. currently using ver 2005.1. In Orcad capture we can get the component by adding corresponding .lib file and it is available for all the projects. But in DxDesigner is there any common library file?. Please give me some details about the libraries in DxDesigner...
  9. M

    Clarification on ESD protection device

    Hi, I am using one monostable multivibrator which is false triggered due to ESD(I am connecting this circuit with one sensor when I touch the sensor it is getting false triggered).I have used a TVS diode to avoid false triggering, but it is not reliable at all time.Can anyone suggest any...
  10. M

    Clarification on Battery Characteristics

    battery characteristics Hi, Does the internal resistance of the battery vary while charging? If it varies then what about the charing current? Thanks Alex
  11. M

    Clarification on ESD protection device

    Hi, Please clarify whether a TVS diode suppress or eliminate a high transient voltge produced from ESD. Thanks Alex
  12. M

    Unipolar to Bi polar conversion

    unipolar to bipolar converter Hi I have to convert 0v to 3v square wave signal into -8v to +3v square wave signal without affecting on/off time.I have used a high speed comparator in inverting mode.But i have to parallelly use 5 signals.I could not able to synchronize all these 5 signals due to...
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