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Recent content by rextor

  1. R

    coding of BPSK demodulator needed

    hi im workin on IM-BPSK receiver.. using Code Composer studio for DSP kit. can u please give the C code for IM-BPSK receiver side. i'll be very greatful many thanks. this is my email: engr.fahadmalik @hotmail.com.... plzz i need it urgently.... kind regards, Malik Fahad
  2. R

    Difference between noise and distortion

    difference between distortion and noise i hope this doc will help u understanding the term noise and distortion.
  3. R

    Feedback from DC motor help

    hi, so far i have designed and drive the DC motor through DAC(digital 2 analogue converter) and a transistor(3904) as an amplifier to give the proper voltage and current to DC motor. now im in the pahse of taking feedback from DC motor, then put this feedback information to LPT port from where i...
  4. R

    help~~, phase-sensitive amplifiers

    i hope it would give u some idea
  5. R

    What happens to a pin when it is left unconnected after being grounded?

    8051 input port the ans to ur question is as following...., but it is releated to intel 8052... i hope it will clear ur question.. --------------------------------------------- 1) The default value for the I/O output latches are 0xFF. This means, by default, you may read the value of any pin...
  6. R

    [help needed] how to calculate log value

    these r some multi-byte math routines for the 8051.... check these as well
  7. R

    [help needed] how to calculate log value

    this is a long div method coded for intel u... ti may give u some help....
  8. R

    What is a single channel QPSK?

    Re: SINGLE CHANNEL QPSK?? CDMA Technology
  9. R

    What is a single channel QPSK?

    Re: SINGLE CHANNEL QPSK?? Hierarchical Modulation - the transmission of two independent DVB-T multiplexes on a single frequency
  10. R

    What is a single channel QPSK?

    Re: SINGLE CHANNEL QPSK?? QPSK Modem Reference Design
  11. R

    differences between ferrite and inductor

    Using ferrites for interference suppression......
  12. R

    differences between ferrite and inductor

    chek this ref for behaviour of both...
  13. R

    Question about differential amplifier project

    Re: question on diff amp try this ref.
  14. R

    Question about differential amplifier project

    Re: question on diff amp check this as well......
  15. R

    Question about differential amplifier project

    Re: question on diff amp i have some realted material for ur dif amp.. if it could help u.... !

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