osmo-fl2k demo 1:Transmitter FM with USB 3.0 to VGA adapters |使用USB 2 VGA适配器发射FM信号

https://osmocom.org/projects/osmo-fl2k/wiki/Wiki

osmo-fl2k allows to use USB 3.0 to VGA adapters based on the Fresco Logic FL2000 chip as general purpose DACs and SDR transmitter。

https://twitter.com/cn0Xroot/status/988734811639500801

https://twitter.com/cn0Xroot/status/989331828136857600

 

Snip20180509_2.png

Transmitter:GPD Pocket + USB3.0 TO VGA

Receivers:RTL-SDR + CubicSDRSnip20180509_1

Demo on YouTuBe:

setup 1:将(MP3、Flac)音频文件转成WAV文件 https://audio.online-convert.com/convert-to-wav

setup 2: 发射端执行发射,对发射时的参数进行调整优化;

setup 3:接收端开始接收信号,对频率、带宽参数进行调整优化;

CubicSDR+RTL解调:

Snip20180510_4

GNURadio+RTL解调:

Snip20180510_5

(PS:发射的频率、采样等一系列参数因文件不同而不同,改变采样率、信号的中心频点也会产生变化)

refer media.ccc.de:USB VGA dongles and SDR

《osmo-fl2k demo 1:Transmitter FM with USB 3.0 to VGA adapters |使用USB 2 VGA适配器发射FM信号》有3个想法

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