HI all,
I'm developing an underwater modem which uses acoustic signal for
transmission and reception .for that i need to have a FSK modulator.since
CPFSk is not practically possible in underwater ,i decided to use VCO.I
have to modulate data from a file sourc(output type byte) using 10khz
carrier.i don't know how to do this.when i connected a file source -uchar
to float- vco -scopesink and observed output i couldn't see what i was
expecting.can't i input the vco with a file source?please help me.
thanks in advance
ANJU
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