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    RJ45 network card to IR

    dear audioguru if it is not a crystall then wat is the 200mhz in the transmitting part of the circuit plz relpy fast
  2. A

    RJ45 network card to IR

    :)thx audioguru :) ,ya it is confusing ??? but i really want to make this circuit i need some help from u guyz 1- i found the 74hc series in my country ,is it ok to us them . 2- what is the range of this device . 3- i cant find the 200mhz crystall so i will try to use the frequency multipier...
  3. A

    RJ45 network card to IR

    hello everybody can anyone tell me what is going on i cant find where did u use the 9v in the first circuit ,and what is the filter in the circuit (is it the circle around the diode),and i only found the 74hc04 and 74hc08 ics.
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