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My bad, I forgot to mention that the battery will be Li-ion and that the user will be able to recharge overnight. Sorry about that guys. The target operating duration is 18-24h. The operation will not be continuous, log cycles can be a few minutes apart. We are also planning other optimizations...
I don't need to visually inspect the entire spectrum at once, I just need to log it in 2 columns: "frequency" / "strength". Then I will just average out values at every pass. This is part of research on effects of radiation on human health by the way, volunteers will carry the logger with them...
I'd like to measure signal strength across a wide frequency range, from LF to 3-4GHz or so. Is there an ultra wideband tuner IC, with RSSI output, that I can use to do the job? I could combine a few if required, to cover the desired frequency range. If that's not available, what kind of...
More info on power pack:
I'm working with a rechargeable 3.7V, 300mAh power pack, which should last 18-24h operation between charges. Optimizations could be done on the software side so I might not have to scan and measure the entire frequency range all the time, and sampling intervals can even...
I'm doing some statistical research and need to scan as a wide frequency range as possible (i.e., 300 kHz - 3GHz) and record signal strength (i.e., dBm) for each frequency. I am not interested in demodulating or decrypting the content of the scanned RF signals. The approach I'm considering is to...
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