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Recent content by vaibhav.k

  1. V

    Info about Contact Pins of PCB

    No these are not 2.54 mm pitch generap purpose contacts but its independant pins which should be soldered on PCB directlly like GSM Module on any gate driver circuitary.
  2. V

    Info about Contact Pins of PCB

    Hi all could anybody help me to find out contact pins as shown in image.Thanks in advance Vaibhav
  3. V

    SMPS Design (5V/5A, wide range AC input)

    5v 5a go to power integration site lots of stuff available
  4. V

    Stepper Motor Grounding required?

    Stepper Moror Grounding No here both sections are not isolated by Optos Its basically driven by L298
  5. V

    Stepper Motor Grounding required?

    stepper motor ground Hi friends I have one ambiguity regarding grounding. I have system in which power supply and CPU board is there.In CPU board there is stepper motor driver and display and other circuit is there.Supply for stepper motor is different from controller. I had...
  6. V

    What is mean by 1-cell lion = ? Volt

    Definatelly but what is input current. Why don't you use Isolated DC to DC convertor from texas Mornsum and Minmax
  7. V

    Looking for the specsheet for a varitronix display IZT21556A

    Varitronix specsheet I had searched But i cant find this part number IZT21556A5.You can visit varitrinix website they have 2.2"tft but with another part number>check any suitable and then tell you will get datasheet.U have to only register there.
  8. V

    Capacitor Selection - ceramic and electrolytic capacitors ?

    Capacitor Selection Exactly You are using 10uF.If i will use 10uF in ceramic type will instead of Electrolytic or Tantlum it affect my noise
  9. V

    Capacitor Selection - ceramic and electrolytic capacitors ?

    Capacitor Selection Hi all, Normal tendency for coupling and decoupling capacitors is that normally we use 100nF Ceramic and along with that electrolytic.My questions is that Now a days High value ceramic capacitors are available.Is it possible to use both the capacitors ceramic type...
  10. V

    What is mean by 1-cell lion = ? Volt

    1 Cell Voltage li-ion means 3.7V. In Li-ion battery each cell is with 3.7V capacity. In NI-Mh each cell voltage is 1.2V
  11. V

    Jade chip Z228 series ARM926 Microprocessor-need information

    Jade chip Microprocessor Hi All, Can anybody know about Z228 series ARM926 microprocessors from Shnghai Jade Semiconductor. I want to purchase development board or reference board for same Can anybody give me information about that Vaibhav
  12. V

    Always problems with EMS in China...

    forum ems china Hi all Why don't you try India India is having very good EMS facilities
  13. V

    Reg:PCB Standards-IPC - are they necessary? What's the cost?

    Reg:PCB Standards-IPC You can definatelly follow IPC standards
  14. V

    connecting 2 microcontrollers

    You can connect controllers through UART.Even i had connected Arm7 controllers through UART
  15. V

    convert 5V or 3.3 V and To 2.5 schematic

    5v to 3.3v How you can add? I think you want 3V and 2.5V.For 2.5V LM1117-2.5V is OK.Lots of another regulator with dual output also available.Just go through net
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