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Recent content by phongphanp

  1. P

    Frequency Divider Circuit issue

    May push to start and pull to close.
  2. P

    frequency folding due to aliasing in FFT

    Above seem to be the algorrithm programming , quite long coding writing .
  3. P

    counter implementation in simulink

    You must add gain box , then double click to put parameters such as Maximum valve , Minimum valve ,... etc. Add this to loop by break th line in a point of loop. Consult the book : Matlab Handbook , also.
  4. P

    FFT design choices - bitsize and implementation

    For Decimation , I'm think the new chip in THz from Ti can cope with this problem . But depend on budget, it's worth upon ! And Implementation = Implant +/to Table .
  5. P

    Rf link between 2 pic 16f628 using ART

    Re: rf link between 2 pic 16f628 using uart The FSK or QPSK signal to get rid of low dampping delay of signal and Do you try connect to Chip ? , re-code C language above to make Data Bank (Support Option for stable)
  6. P

    Microstrip patch antenna on FR4 for 2.4 GHz band

    I think studying the spice model in analysis process then set parameter in spice program to more practical and proper for purpose . Pspice has Monte Carlo analysis option , But no 3D graphics result shown .
  7. P

    FFT over pulse train

    If data set is random or non constant distributed set , one is not same . Much algorithm be appplied to extract some feature before the decision concluded. Ex. Geometrics method , High level supervise then scan data set and so on.
  8. P

    problem with header files and processors (redefined error)

    Try crank you code such as double #include<> and redefined commands more as possible .
  9. P

    How to calculate Efficiency in Envelope Modulator (relevant to Envelope Tracking PA)

    P(avg) = ∫f(ab(t))d(t))/nT ; n -> ∞ and take 20*log(P) for dB unit. (what's in ratios)
  10. P

    How about green technology ?

    What's company or who's drive this green technology to electronics industrial ? I'm suspect this technology become any standard, yet ? Or this laid on what part of process ?
  11. P

    How about green technology ?

    I should ark who is invent this technology ,also . Perhap this Question will be the lesson form Japan socielty .
  12. P

    How about green technology ?

    It's environment clean control process ? :-D
  13. P

    How about the spec of Microcontroller in nowadays ?

    I'm just as hobby man , and repair/renew old project for the Microcontroller level . Perhap , I may try game console ,but not ready to S/N , Game Design : Various level by own . As PC game tech , nowadays , I not yet plan to programming in mobile , like Zomby herror.
  14. P

    How about the spec of Microcontroller in nowadays ?

    I found EMI factor and MOVX support in Maxim IC but one has more expensive .
  15. P

    How about the spec of Microcontroller in nowadays ?

    I'm think of 1. Speed 2. USB port support 3. A/D Support 4. Size of Memory 5. Type of memory 6. How good production process, or not 7. OTP ? 8. ..... There are another ?

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