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[Discuss-gnuradio] GFSK + STREAM MUX working wrong

From: Horký Petr
Subject: [Discuss-gnuradio] GFSK + STREAM MUX working wrong
Date: Thu, 14 Feb 2019 20:17:38 +0000

Hello everyone,

I am creating signal with use of STREAM MUX. I want 128 samples of constant = 0 and two bytes modulated with GFSK mod. 2 bytes and 8 samples/bit.... 2*8*8 = 128.
(128, 128) these are the two values in the STREAM MUX.


As you can see I modulate vector 255 and 0. Binary it is 11111111 00000000.
But after quadrature demod (picture 2 - top graph). I get 00111111 11000000 as a result.


Do you have any idea what is wrong? And how to solve this problem? 

Thank you.


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