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I have a Singer-Gertsch FM-10 service monitor (100KHz-500MHz) that is excess to my wants. Great for setting FM deviation of transmitters. de Paul, W8AEF _____ From: [email protected]

Points to 100 and speedup to 2 -- For more info on the tinySA go to https://tinysa.org/wiki/

You can see pretty much all the settings I used in the images I posted.? Yes, it is slow.? This is why a spectrum analyzer, especially one like the tinySA, is not a good choice for measuring

Thank you for the clarification. I misunderstood the use of this feature. It's already working the way I need it to. Mirek Dne 10.04.2023 v 19:02 Erik Kaashoek napsal(a):

It appears that the problem may be the synthesizer, although I do not understand why its output level changes when I switch TinySA Ultra devices. I just recently purchased this synthesizer and will

You specify the shift by specifying the actual frequency of the start of the scan. The shift can be both up or down -- For more info on the tinySA go to https://tinysa.org/wiki/

Let me know of you disagree with any of these conclusions Last selftest: Both tinySA have same signal to noise at 30MHz with LNA on Attenuator test: Both tinySA have a good attenuator 400MHz test:

Erik, I have made the measurements that you suggested and have attached the files. I could only generate a lower frequency of 435.1 MHz (closest to 699 MHz) and a higher frequency of 823.0 MHz

I am repairing the TS940 transceiver, it has a fault in the PLL and TinySA Ultra is helping me well. The SHIFT FREQ function is useful, where the displayed frequency is shifted by IF. It would be very

Working on it! -- Ed, K0KC k0kc@... http://k0kc.us/

Yes, any oscillation could cause weird results. -- For more info on the tinySA go to https://tinysa.org/wiki/

Can you run a selftest on both devices and capture and post the end screen of the selftest where it shows the result of test 13? This should give an indication if the level calibration of the two

Charles (I hope that you go by that name...I looked you up in QRZ.com), I have tried cables that I received with my TinySA Ultras and NanoVNA devices and all seem to give the same results. I always

What kind of cable are you using? ?I have had issues with Pasternak cables at 2GHz.

Alright, after some more testing I am even more confused! I tested the two TinySA Ultras with a Siglent signal generator at 50 MHz and the two TinySA Ultras were within 0.3 dB of each other and

Eric, Before the NF measurment today I measured the gain of the amplifier again. Now I measured an amplification of 25.5 dB @ 100 MHz (before 25.7 dB) On the screen I saw a signal on the trace that

As an aside, I did take measurements with both TinySA Ultras with a 30 dB attenuator inline and the results differed by the same amount...almost 10 dB difference between the two devices! -- Ed, K0KC

I own two TinySA Ultra devices. I am attempting to measure the output level of a frequency synthesizer and it appears that one of the TinySA Ultras is giving incorrect levels. As an example, this

The other method to get the Noise Figure of a receiver is to determine the Minimum Discernible Signal (MDS) and then to calculate the NF based on a simple equation that uses MDS and the bandwidth used

@ 1 and 2 :??? I did this several times in the past, but not prior to the strange measuringresults, so I repeated them now as follows? : A) Selftest?? ? ? ? ? ? ??? : all tests OK. B)