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Broadcasting DVB-S2 with the LimeSDR

The LimeSDR is a $299 USD software defined radio that has RX and TX capabilities, a tuning range of 100 kHz – 3.8 GHz, a 12 bit ADC and up to 61.44 MHz worth of bandwidth. It is currently seeking crowdfunding over at CrowdSupply.com , and there are still 170 early bird units available at a lower price of $249 USD. The funding campaign ends in 14 days at the time of this post.

In a recent blog post on the myriadrf website, beta tester Alexandru shows how the LimeSDR can be used to transmit DVB-S2 video using GNU Radio .  Alexandru used bladeRF dvbs2_tx.grc gr-dtv example which is provided with GNU Radio and modified it for the LimeSDR. He then transmitted the video stream and used an off the shelf satellite TV receiver to display the video, and an Airspy to monitor the spectrum. The gr-dtv library can also be used to transmit other video standards such as ATSC, DVB-T, DVB-T2, DVB-C and DVB-S2.

Broadcasting DVB-S2 with the LimeSDR
LimeSDR DVB-S2 GNU Radio Flowgraph

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