Re: "CALIBRATE above 5.34GHz" throws a "Signal level too low or not on frequency" error
#bug_report
Did you input a 5.34GHz signal between -50 and -10dBm when calibrating above 5.34GHz? -- For more info on the tinySA go to https://tinysa.org/wiki/
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Erik Kaashoek
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#9665
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"CALIBRATE above 5.34GHz" throws a "Signal level too low or not on frequency" error
#bug_report
I just purchased a tinySA from one of the vendors listed at tinysa.org. When running the "CALIBRATE above 5.34GHz", the test throws a "Signal level too low or not on frequency" error. "CALIBRATE
By
T L
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#9664
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Re: My tinySA Ultra Signal level Critical
#ultra
If I temporarily disable LNA, will all my measurements still be correct?
By
Sarayut Hatsanai
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#9663
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Re: Harmonic measurement. Question for Eric
Sure that would be great. Thanks
By
John Cunliffe W7ZQ
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#9662
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Re: File /TinySA Ultra Menu-Tree Chart - v1.4-40 - Updated January 16, 2023.vsdx uploaded
#file-notice
Great job, David! That's going to be very helpful. Thank you for all the work that went into it.
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Terry Perdue
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#9661
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Re: My tinySA Ultra Signal level Critical
#ultra
I forgot to mention that you can trace the signal through the LNA using a scope -- For more info on the tinySA go to https://tinysa.org/wiki/
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Erik Kaashoek
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#9660
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File /TinySA Ultra Menu-Tree Chart - v1.4-40 - Updated January 16, 2023.vsdx uploaded
#file-notice
The following files and folders have been uploaded to the Files area of the [email protected] group. * /TinySA Ultra Menu-Tree Chart - v1.4-40 - Updated January 16, 2023.vsdx (
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Group Notification <noreply@...>
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#9659
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Re: File /Visio-TinySA Ultra Menu-Tree Chart - v1.4-40 - Updated January 16, 2023.pdf uploaded
#file-notice
You're welcome!? I'm going to post the Visio file in the FILES sections today for those that want to take what I've done and expand upon it.
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David Massey
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#9658
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Re: File /Visio-TinySA Ultra Menu-Tree Chart - v1.4-40 - Updated January 16, 2023.pdf uploaded
#file-notice
Mr. Massey, huge thank you for this document. It is of tremendous help. -- *Steve Johnson* *K0OIL*
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Steve Johnson
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#9657
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Re: Harmonic measurement. Question for Eric
John. Could that be done as with a second keypad when you enable harmonics measurement asking for the attention of the fundamental? -- For more info on the tinySA go to https://tinysa.org/wiki/
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Erik Kaashoek
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#9656
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Harmonic measurement. Question for Eric
Eric, When I measure harmonics I always use? well defined high pass filters that suppresses the fundamental by >50db. The commercial spectrum analyzer I use at work lets me input the attenuation of
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John Cunliffe W7ZQ
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#9655
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Re: My tinySA Ultra Signal level Critical
#ultra
There is either something wrong with the first switch or with the LNA The new FW detects this and refuses to calibrate -- For more info on the tinySA go to https://tinysa.org/wiki/
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Erik Kaashoek
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#9654
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Re: Find RX frequency with RF generator and sweep.
Fix: 500Khz range.
By
Igor - PY3IG
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#9653
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Re: My tinySA Ultra Signal level Critical
#ultra
When I turn off LNA? I generate CAL out at 30Mhz it work fine . But I turn on LNA look like this. I backed to the old firmware.
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Sarayut Hatsanai
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#9651
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Re: My tinySA Ultra Signal level Critical
#ultra
After I update firmware tinySA4_v1.4-40-g2f63e1c.dfu Level call it not pass see picture below. Connector work normal
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Sarayut Hatsanai
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#9650
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Re: My tinySA Ultra Signal level Critical
#ultra
With the latest FW the selftest will do a better check on the LNA -- For more info on the tinySA go to https://tinysa.org/wiki/
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Erik Kaashoek
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#9649
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Re: New TinySA-ULTRA Case (3D print) on Thingiverse
#ultra
Where can this be bought, please, Larry? Not that it's likely to be economic for the UK, though. I did search and find: https://www.thingiverse.com/thing:5768574 but no purchase price. 73, David
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David J Taylor
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#9648
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Re: Find RX frequency with RF generator and sweep.
There's another way to do this that might be easier: "sniff" the receiver's local oscillator with the tinySA and calculate the receive frequency from that.? It helps if you know the first IF
By
Jim Allyn - N7JA
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#9647
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Re: My tinySA Ultra Signal level Critical
#ultra
I'm using the original version that I bought.
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Sarayut Hatsanai
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#9646
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Re: My tinySA Ultra Signal level Critical
#ultra
Are you running the latest firmware? The version info is difficult to read. The last picture seems to suggest the LNA is not amplifying and this will be detected with the latest FW -- For more info on
By
Erik Kaashoek
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#9645
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