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Thanks for reminding me not to forget, as much as I was already taught years ago in the USAF tech schools I attended, regarding such matters. "I hate getting old". Again, thank you Dave for your time.

William, Thank you for pointing out what I should have already known and have forgotten, being prior Air Force communications repairman overseas. It goes to show that the older I get, the more I seem

For calibrating frequency at HF, don't forget about WWV and CHU. The AM BC stations are also held to a pretty tight standard (if they mind their own business per FCC). Dave - W?LEV

Thank you for making sense of why 2 cables, of equal length and type, were included in the box. I clearly forgot filter insertion testing between high and low. Again, thank you for your time in this

You need to calibrate as close to your measurement configuration as possible. ?If you need both cables to interface to the unit under test, then use both cables with the connector to calibrate.

From what I've watched, the Idea of two cables is that you would be using two cables when you checked your filter, or what ever DUT that you have.? The folks that use longer leads with clips etc,

Commercial equipment specifications are also listed online. You can access HP/Agilent/Keysite, R&S, Tek, and others online. All of them have specifications readily available online. Dave - W?LEV

Thank you Erik for your speedy and informative reply.

I'm also looking for accuracy compared to commercial equipment

As can be read in the spec on the wiki: * Frequency accuracy equal to the selected resolution bandwidth -- For more info on the tinySA go to https://tinysa.org/wiki/

The battery power does not matter, you can use any 3.7V LiPo battery as the charger will limit the load current and never overload a LiPo. Make sure there is a protection circuit on the battery to

How accurate is it to measure frequency using TinySA? It's possible to use to set reference oscillator from a ham radio rig?

How accurate is it to measure frequency using TinySA? It's possible to use to set reference oscillator from a ham radio rig?

I had figured out the sizes 6mm height x 25mm wide x 40mm long 3.7v@650 mAh capacity. It is next to impossible to find said size with the same JST plug to fit TinySA on-board connector. I am now

Thank you for your time.

Thank you Zack for your reply to my question. The following YouTube url was the one causing my concerns over using one or two cables: https://www.youtube.com/watch?v=6xSXPVxaJxI You will see him state

The battery is of the type: 602540, 3.7V, 650mAh

Good question... Pretty sure the connector pitch is 1.25mm. But actually I do not think it is a connector of an original JST series (at least I haven't found a similar genuine one)?! But if you're

I believe the TinySA is only measuring signal levels, not phase differences, as the NanoVNA does on calibration. Using two might actually have a negative effect on the calibration. You have the

With comparable phase noise and an RBW range that is less than the SI4432 there is no obvious reason to go for this chip. Obsolete for the SI4432 means "not recommended for new designs" but the