kopia lustrzana https://github.com/ha7ilm/rpitx-app-note
Update README.md
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@ -63,7 +63,7 @@ Here is the good result if received with an RTL-SDR and GQRX:
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### SSB modulator example for GNU Radio
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### SSB modulator example for GNU Radio
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Use the flow graph in `gnuradio/ssb-rpitx`.
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Use the flow graph in `gnuradio/ssb-rpitx`.
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This will transmit an USB signal.
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This will transmit an **USB** signal.
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![SSB in GNU Radio](/images/grc-ssb.png?raw=true)
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![SSB in GNU Radio](/images/grc-ssb.png?raw=true)
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@ -75,6 +75,12 @@ After receiving it with RTL-SDR and GQRX:
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![SSB in GQRX](/images/gqrx-ssb.png?raw=true)
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![SSB in GQRX](/images/gqrx-ssb.png?raw=true)
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If you want **LSB*, you should double-click the "Band Pass Filter" block, and change:
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* *Low Cutoff Freq* to -3000
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* *High Cutoff Freq* to -300
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![SSB in GQRX](/images/gqrx-ssb-bpf.png?raw=true)
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## Using rpitx with csdr to modulate streaming input
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## Using rpitx with csdr to modulate streaming input
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<a href="https://github.com/simonyiszk/csdr">csdr</a> is a command line tool for simple DSP tasks. It can be used to build simple AM/FM/SSB receivers, and now transmitters as well, and is quite fast to setup.
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<a href="https://github.com/simonyiszk/csdr">csdr</a> is a command line tool for simple DSP tasks. It can be used to build simple AM/FM/SSB receivers, and now transmitters as well, and is quite fast to setup.
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