First, let me apologize in advance if this isn't the correct forum for this
question.

 

I have a 50 MHz PWM signal (it's actually a 50 MHz 50% DC clock with a 1PPS
clock embedded with PWM) that I would like to transmit over the 2.4 GHz ISM
band with as low latency as possible. My original thought was to digitize
the clock with a high-speed ADC, then stream the samples to GNU Radio and
transmit via SDR, then recover on the receive side and playback the samples
with a high-speed DAC. The problem I'm running into is that the only capture
cards I've been able to find capable of running at the sample rate needed
(>500MS/s) and streaming in real-time to GRC are prohibitively expensive
($8000+).

 

My question is, is anyone aware of any alternative methods of transmitting
the 50 MHz PWM over ISM? I would be willing to entertain a different method
of streaming to GRC or an entirely different setup. I don't know of any
radios that could take the signal as input directly and transmit it, then
receive it and output it directly, but admittedly I am rather new to the
world of RF so it's possible there's a solution that exists that I'm simply
unaware of.

 

Very respectfully,

 

Joshua White

Precision Timing Systems Engineer

Engineering & Support Solutions Directorate

 <http://www.riversideresearch.org/> www.riversideresearch.org 

T: 937.986.3153 | F: 937.431.3811

 

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