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Re: New tinySA failing Self-test after FW upgrade


 

Hello all,
I bought a TinySA "KKMon Spektrumanalysator" from seller Zeamar via Amazon just before christmas.
The package looked exactlay as in your photos. I dont know what software was installed, but everything including selftest worked fine.
After I learned how to install new FW I did so from version 1.1-59 up to 1.1-86. Everything worked ok but I made no selftests.
After reading about problems with new FW I made a selftest with version 1.1-86. This test failed randomly with "Test 10: Signal level Critcal"
See the following pictures which were made within 5 minutes.







I then made the attenuator test proposed in post #2769. The values were from 0 to 31 dB 27.5 +- 0.5 dBm. From 32 to 52
( more than 52 dB was not possible ) the values were 32.0 +0-1 dBm.
After that I made the liearity test from main -> check the attenuator which gave the following picture:



t


So maybe my tinySA is not a clone and totally ok, but Ireally do not know.
BtW: Theserial number is SA-20100692.

Sven Hegewisch






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