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Recent content by raman_engr

  1. R

    The CCNA Certification & prospects of work after getting

    CCNA Hi, I want to know how is the scope after getting the CCNA Certification.
  2. R

    How to design a circuit for generating DTMF tones using 8051 microcontoller?

    Can anyone help in how to design a circuit for generating DTMF tones using 8051 microcontoller.
  3. R

    What is the difference between the C functions "getch()" and "getche()"?

    What is the difference between the C functions "getch()" and "getche()"? I'm new to C programming, can anyone tell what is difference between the functions "getch()" and "getche()".
  4. R

    8051 PROBLEM WITH ISP PROGRAMMER

    74ls541 circuit what kind of error does it give. If it is device check error, then check the type of the device selected.
  5. R

    What are the functions of capacitor ?

    Re: Function of a Capacitor Capacitors are also used for de-coupling in the supply circuit.
  6. R

    Why sampling is done first and then quantization??

    why sampling is done Hi Sampling is done first so that each sample can be represented by 8 digits corressponding to 128 levels of quantization.
  7. R

    Errors after manual reset of device with 89C51

    I'm using 89C51RD2 in my circuit. When i power on the device, the device functions properly as desired. But when i give a manual reset to the device, without switching off the power, although it functions properly but some erratic behaviour is observed periodically. Can anyone tell what could...
  8. R

    What is the exact application area of the cross assemblers?

    cross assembler What is the exact application area of the cross assemblers. why do we need them. can anyone tell about the 8051 cross assembler.
  9. R

    DTMF decoder using microcontrollers?!

    You can not. U need to put external Transformer to interface with the telephone lines and then u need to use filters to decode the DTMF tones. Using Line transformer and MT8870 DTMF decoder is the best and simple solution.
  10. R

    Looking for a C Compiler for PC

    C Compiler Hi, i want a C compiler for learning C language on Personal Computer. Can u tell where i can get it from.
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