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Posts Tagged ‘decoding’

Infrared Receivers – signal lag and distortion

Friday, March 28th, 2014

The crew from AnalysIR writes: Many electronics enthusiasts will be familiar with how Infrared receivers demodulate IR signals. In this post we show a visualisation of the time lag and distortion of the signals as they pass through the IR receiver for demodulation and noise filtering. Most DIY projects use...

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Posted in infrared, Infrared toy | No Comments »

Decoding FLEX pagers using RTL-SDR and Linux

Tuesday, November 26th, 2013

Superkuh2 demonstrates how to decode FLEX pager radio traffic. He uses gr-pager and zarya's implementation of it on the Linux platform with the RTL-SDR dongle. This script runs at a 250 KS/s sample rate and decodes one 12.5 KHz channel only. Internally it uses gnuradio's optfir to generate low pass...

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Posted in digital radio data, Linux, RF, SDR | 3 Comments »

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