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Forum 2 AC signals on one line
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2 AC signals on one line

Former Member
Former Member over 13 years ago

Hi,

 

If I have 2 AC signals on one line with each signal coming from one end of the line is it possible for me to split the signals and determine which component of the signal is coming from one end and which from the other?

 

TIA

 

eddiec :-)

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  • YT2095
    0 YT2095 over 13 years ago

    it Is possible but it depends on a few things, what sort of power levels are you thinking of, and what frequencies are being transmit.

    if you have quite different frequencies and they`re high enough, you can use a bandpass filter for each signal and then make the equiv of a superhet receiver, of course if the power levels are too high, it gets harder as these signals could then overwhelm the front end of the reciever.

    when you think about it, an ordinary radio antenna is picking up Many different stations all at once in the same piece of wire, the radio then selects what station to listen to and ignores the others, the principal is the same image

    and Do make sure that the frequency difference of the 2 signals isn`t the same as the I.F used in the recievers.

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  • YT2095
    0 YT2095 over 13 years ago

    it Is possible but it depends on a few things, what sort of power levels are you thinking of, and what frequencies are being transmit.

    if you have quite different frequencies and they`re high enough, you can use a bandpass filter for each signal and then make the equiv of a superhet receiver, of course if the power levels are too high, it gets harder as these signals could then overwhelm the front end of the reciever.

    when you think about it, an ordinary radio antenna is picking up Many different stations all at once in the same piece of wire, the radio then selects what station to listen to and ignores the others, the principal is the same image

    and Do make sure that the frequency difference of the 2 signals isn`t the same as the I.F used in the recievers.

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