Hi Alan,
For MSK, there is a specific relationship between the frequency separation and the data-rate. But at the output of the discriminator, to my understanding, there will be no difference in the signal between an FSK input or an MSK input (except for the SNR as you pointed out). Does that sound right? Anyway thanks a lot for the help.
Quote:I wouldn't say demodulation of AM, as for FSK(MSK) you are looking +ve and -ve frequency excursions, and so at discrimator output +ve and -ve voltages. It says that in section 4.2. Its more of a threshold crossing detect.
I don't really follow you here. The datasheet says +ve and -ve voltages wrt a bias point. Isn't that the same as OOK or ASK? So if I had OOK with gaussian filtered data, and I fed it into this receiver, could I expect it to work? Assume I level the signal properly.
Quote:Anyway, this chip is quite old, can you even order it ? is there any particular reason you want to use it ?
Its a long story but basically some students got their hands on it to do a project, some questions found their way to me, and I said there were some things that the people on this forum would know better.
best regards,
Aaron