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| Upcoming Rigol DSG815/830 |
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| Sighound36:
Indeed, costing is the issue especially with 5Ghz the minimum requirement for IoT development now. IQ mod is going to more important now as are custom wave form generations. Stability and low phase noise to are more preferable for many I suspect. Understand wishing to maximize your potential purchasing power as we all do. Sometime they will be a null spot and your not quite able to use the normal route. Personally I would look for a good Agilent VSA which will set you back around the same cost as a basic 3.2Ghz version. I now have two of them, one is 4Ghz with the OXCO, six hardware upgrades and a few sw options its not small but its decent cost less than the model you are looking at right now. The second unit I did pay more for but its 10Ghz. Consider a sighound VSG60 amplitude accuracy is incidental, and phase noise looks good for the cost, compared to Rigol or Siglant not sure at what frequency the phase noise is measured? https://signalhound.com/products/vsg60a-6-ghz-vector-signal-generator/ https://www.testequipmenthq.com/product/keysight-e4422b https://www.testequipmenthq.com/product/keysight-e4428c https://www.keysight.com/gb/en/assets/7018-02994/data-sheets/5990-8116.pdf https://www.testequipmenthq.com/product/aeroflex-ifr-marconi-2026q https://www.testequipmenthq.com/product/aeroflex-ifr-marconi-2032 https://www.testequipmenthq.com/product/rohde-schwarz-smj100a |
| tautech:
--- Quote from: noreply on July 13, 2020, 03:09:14 pm --- I would like a 'touch screen --- End quote --- SSG3000X offers touch and mouse control. --- Quote ---What I noticed, is that there is no Square Wave output on the 815 - other than on the LF output (BNC) and only up to 20KHz. Not sure if its same on the Siglent at this moment in time? --- End quote --- The LF modulation section in SSG3kX is rated thus: Sine wave 0.1 Hz~1 MHz Square wave, triangle, saw-tooth 0.1 Hz~20 kHz --- Quote ---I can understand that there is no great desire for Square Waves when working with RF (and a digital DAC based signal generator can suffice at a much lower cost) but in my 'one off' case , I was looking for a ULTRA FAST edge in a signal - I guess this is where the 'pulse mode' comes into play. This is my next area of testing , so will report soon. On the 815, this is an option (I think the Siglent has this feature as standard offering - correct me if wrong) so at the moment its on 'trial' mode until time runs out. --- End quote --- IIRC same for SSG3kX and have it enabled in my unit if there's anything you want to see. --- Quote ---With 2.4GHz, 5GHz and even higher RF devices being the norm today - you really need to have the higher frequency capability - especially if you are going to drop >$3000 for a RF Signal Generator. This makes me think that even the Rigol's 3.6GHz and Siglent's 3.2GHz offerings are already dated. But, and a big BUT, there are already RF Signal Generators which cover the higher frequencies and modern digital modulation protocols out on the market but unfortunately they cost lots of $$$. This is why for the majority of 'us' its the Rigol and Siglent offerings (even if dated) that are really affordable at the moment. --- End quote --- The newer range of SSG5000X RF gens go to 6 GHz but yes these are getting really pricey. :( |
| noreply:
Rigol DSG815 – FM Modulation Test Just a few screen shots of some simple FM modulation testing The modulated signal quality from the DSG815 is nice and clean I dropped the resolution BW on the SVA to get some ‘clean’ plots See attached images (Sorry, when I performed the testing I did not figure out how to do a screen shot on the 815 - so used the next best thing - camara) |
| noreply:
Just posted some results & a 'how-to' testing Frequency Accuracy for the Rigol DSG815 with a GPSDO 10MHz reference and any oscilloscope capable of X-Y ploting. Here is the link https://www.eevblog.com/forum/testgear/rigol-dsg815-testing-feedback-and-comments/msg3147430/#msg3147430 Hope its of interest to those visiting this thread ;) |
| tv84:
Looking just at the FW side, I think it's possible to convert a DSG815 into a DSG830... |
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