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Recent content by Z-match

  1. Z

    Difference between transceiver and transmitter-receiver?

    How about Mobile Phone where using 1 iC PLL..?? oh.. i remember old communication at 80meter band. ist simmilary w/ transmitter in left hand and receiver in other hand. ;-) maybe...
  2. Z

    Mobile & Telephone ??

    i think MP not play frequency, but it use QPSK. not FM modulation. the interference are produced by IF (intermediate Frequency) such as 38MHZ osccilator, and or IO frequency of communication between IC's. B.R. :D
  3. Z

    rs232 to usb adapter that supplies 5Volts

    yes, how it can be..?? they call Parasitic power line. via DIODE 1n4148 its can doing. hook to line control rs-232. is'n it..? ugh.. converter rs232 to USB..?? power consumption..? may be u can using FTDI IC FT232 like that... pls gooling.

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