Forum: GNU Radio Re: Finding fsk_rx.py or fsk_tx.py

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Ffba6254119073ff7c78bbd73d2f9f1d?d=identicon&s=25 Andrea Farulli (Guest)
on 2008-11-27 18:17
(Received via mailing list)
> Hi all
>
>   I want to find a example file. fsk_rx.py and fsk_tx.py
>   But, I cannot found it in gnu radio3.1.3
>   gnuradio-example/python/usrp/fsk_r(t)x.py
>
>   Does any one know which gnu radio has this file.
>
> CJay


I found them here:
http://www.mail-archive.com/discuss-gnuradio@gnu.o...

Unfortunately they won't work with current version of gnuradio.
Anyway you should try something like this for BFSK modulation:

for the TX:
  ...
        self.cpfsk_mod = gr.cpfsk_bc(modulation_index, 1,
self.samples_per_symbol)
        self.gain = gr.multiply_const_cc(16000)

        self.connect(self.src, self.cpfsk_mod, self.gain, self.usrp)

while in RX:
  ...
        self.demod = gr.quadrature_demod_cf(20)
  self.dec = gr.keep_one_in_n(gr.sizeof_float, self.decimation)
        self.slicer = gr.binary_slicer_fb()

        self.connect(self.usrp, self.demod, self.dec, self.slicer,
self.snk)


Andrea
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