On Tue, Jul 27, 2021 at 01:24 PM, Reginald Beardsley wrote:
In what domain are the filters implemented? What are the coefficients for the operator?
Reg,
? ?See the following Wiki page??
? ?The?
tinySA resolution filters are digital FIR filters implemented as DSP code inside the RX SI4432 so its probably best to download the datasheet for that chip to get a detailed description of their algorithm.? I'm not certain how much of that information is proprietary.
? ?The filters are selectable via a register location within the?RX SI4432.? Not much more can be done with them beyond that.
Herb