aliumair926 said:@ bepobalote: You mentioned "if your Line-in input is stereo: if yes it will be OK for your requirements. " Does this mean that there should be two input jacks (line in)as i have to input 2 signals (I and Q)....
bepobalote has stated the problem very clearly. If you use a smallband FM receiver for wideband signal, you get a seriously distorted signal. I wonder, if there's a project instructor with technical background, who checks the specification?But my project is to make a PC based FM receiver (to receive FM radio channels and that would be from 88 to 108 Mhz) capable of receiving FM broadcast in realtime....
mowgli said:In my opinion in your case the limiting factor is not only the maximum sample rate of the sound card, but the limited bandwidth of the input front end: you could even have MHz sampling rate on the sound card but if the Line in cut off frequency is lower than 20 kHz you loose information in the analog domain in any case! And this is the case: the maximum AD frequency of the sound card (196 kHz) is dimensioned to work with audio signals, whose bandwidth is about 20 kHz!
bepobalote said:...Wide FM bandwidth: if I correctly remember it is 150KHz + 2x25KHz of guard bands. .
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