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| Siglent SSG3000X and SSG5000X series RF Signal generators |
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| tautech:
--- Quote from: noreply on July 08, 2020, 04:05:13 am --- --- Quote from: tautech on July 08, 2020, 03:51:51 am --- From the SSG3000X webpage: External IQ modulation with SDG6000X as the baseband IQ signal But, this requires the SDG6000X to have the IQ option enabled. --- End quote --- OK .. then this makes more sense now :) If we need external modulation - then the 'non IQ' variant of the SSA SSG3000X could be enhanced to be an IQ model - by virtue that at this moment in time Siglent has not deployed any IQ HW to reside inside the SSA - other than the external IQ connections and associated internal cables?? --- End quote --- This is where you need look hard at actual instrument requirements and price the options carefully. Basic SSG3000X and SGD6000X or SSG3000X-IQE model. Basic and SDG6000X (with IQ option) allows for a much more versatile total package IMO. Correction below from TurboTom |
| TurboTom:
@tautech: I'm not sure if this is correct. If I understand the SSG user manual correctly, in order to generate an IQ modulated RF output, you anyway need to supply an external IQ baseband signal (i.e. using the SDG6000X with IQ option) and use the IQ-Enabled version of the SSG3000X. The IQE version apparently contains more additional hardware than just a pair of wires that run the in-phase and quadrature baseband signals to the existing motherboard of the SSG. If someone is looking for generating IQ modulated RF signals with lab gear on a "budget (...) ;)", he may be better off with the Rigol DSG800 series which is considerably less expensive in the "A" (IQ-Enabled) version than the competing Siglent generators. Other features not compared so YMMV. |
| 2N3055:
--- Quote from: TurboTom on July 08, 2020, 10:25:51 am ---@tautech: I'm not sure if this is correct. If I understand the SSG user manual correctly, in order to generate an IQ modulated RF output, you anyway need to supply an external IQ baseband signal (i.e. using the SDG6000X with IQ option) and use the IQ-Enabled version of the SSG3000X. The IQE version apparently contains more additional hardware than just a pair of wires that run the in-phase and quadrature baseband signals to the existing motherboard of the SSG. If someone is looking for generating IQ modulated RF signals with lab gear on a "budget (...) ;)", he may be better off with the Rigol DSG800 series which is considerably less expensive in the "A" (IQ-Enabled) version than the competing Siglent generators. Other features not compared so YMMV. --- End quote --- Tom, AFAIK you're correct. You need SDG6000X with IQ option and IQ-Enabled version of the SSG3000X. Regards, Sinisa |
| noreply:
Here is a good 'hands-on' and the pros / cons of the SDG6000X - check out @ 1hour 2 minutes (1:02:00) into the video - and in particular @ 1:06:15 - where its shown that ANY RF signal generator with appropriate IQ modulator such as one used in video https://www.craneae.com/Products/Microwave/ApplicationNotes/Modulators.pdf and an ARB IQ source could be used for IQ test regimes ;) |
| tv84:
--- Quote from: 2N3055 on July 08, 2020, 10:47:24 am ---AFAIK you're correct. You need SDG6000X with IQ option and IQ-Enabled version of the SSG3000X. --- End quote --- That seems expensive... :( Rigol seems a much better option in $$$ terms. |
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