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FORUM

Low pass filter in SX1280

Semtech Transceivers
#1

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Hello,

I am trying to understand how LoRa works.

There is a low pass filter after ADC, and I’m curious how much the bandwidth (cut-off frequency) of this filter is.

My guess to be set according to LoRa bandwidth, but I wonder if it is correct.

Thanks,
Seokwon.