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Old June 1st 18, 12:21 AM posted to,,
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Default [VK2TPM] Generating RF with an osmo-fl2k VGA dongle

marxy's musing on technology

Generating RF with an osmo-fl2k VGA dongle

Posted: 30 May 2018 11:55 PM PDT

I've continued to play with the cheap ($10) USB VGA dongles which can be
used as a fast digital to analog converter. Working with Ross, VK1UN, we've
been climbing the learning curve ofÂ* GNURadio Companion to generate the
samples we need to transmit modulated RF.

The fl2k_file command line tool needs a file with 8 bit signed samples.
These are clocked out at 100M samples per second by default.

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