From the tinySA.org website: Spectrum Analyzer with two inputs, high-quality MF/HF/VHF input for 0.1MHZ-350MHz, lesser quality UHF input for 240MHz-960MHz.

I do not own a TinySA so I can not say if it has the modes necessary to allow it to be used as a zero span time domain analyzer. But all the “real” spectrum analyzers I’ve used are designed ...

The instructions, however, appear to be written for use with a NanoVNA, not a spectrum analyzer and unfortunately most of the tinySA settings are not available in tinySA-Saver, at least that I could ...