New answers tagged

1

I am jumping in late, and I hope that the OP received an out-of-band answer, or found their own answer. I have a problem with the question, given the statement that the OP is using a Kostas Loop for the demodulator. By definition, the Kostas Loop is a type of phase-locked loop (PLL) in which the local oscillator (LO) frequency is adjusted until the phase ...


1

An RTL-SDR outputs 8-bit integer IQ values via its USB connection data packet. That creates a fixed limit to the range of possible values (0 to 255 unsigned, or -128 to 127 signed, not -1.0 to 1.0, unless scaled somewhere). Your IQ signal will usually be a result of a mix of RF sources. A significant portion of RF noise is additive (a smaller portion might ...


0

Your question presumes, or hopes, several things, all of which would have to be true for you to read a service manual and replace the part yourself: The manufacturer wrote a service manual in a language that you can read, or that could be easily translated (manual couldn't be just an image for easy translation to be available) The manufacturer released the ...


Top 50 recent answers are included