Two Tone modulation...

[sohiltri]

two tone modulation

Can anyone explain me briefly about two tone modulation....
As of now vaguely i know tht it has 2 frequency component for modulation ...and it is use to to find intermodal dispersion and so on...but i don know how much difference should be between 2 freq component...

If possible please provide link...

 

[amihomo]

2 tone modulation

Hi
Two tone modulation is another name for binary FSK,in which to distinct frequencies are used to carry the information bits 0 and 1.in order to prevent erraneous reception , the carriers must be orthogonal ,i.e. they must be harmonics of a basic frequency.in other words the frequency seperation of the carriers must be 1/Tb. (Tb is the bit duration)

 

[sohiltri]

single tone modulation two tone modulation

Thanks.....But i have different issue....like single tone AM modulation....we have Two or dual tone modulation...it is used in finding bit error rate and ISI effect ...something like tht...can anyone elaborate on this???

 

[teteamigo]

am modulation 2 tones

Two tone modulation is a system test to quantify static-nonlinearity in Amplitude (Intermodulation distortion), or by the phase delay for each one tone, this allow us quantify static-nonlinearity in phase (phase distortion/dispersion).

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