- Spectrum Analyzer, 9kHz to 1.5GHz with preamplifier and tracking generator
- 2012-2014 top selling unit
- 9 kHz to 1.5 GHz Frequency Range
- 1.5 GHz Tracking Generator (TG)
- Multiple markers and marker table functionality
Rigol DSA815-TG Tracking Generator Spectrum Analyzer
|Price:||$1,299.00 & FREE Shipping|
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The Rigol DSA815/TG is a compact and light Spectrum Analyzer with premium performance for portable applications. The use of digital IF (intermediate frequency) technology guarantees reliability and performance to meet the most demanding RF applications. The very large display (20.3 cm / 8) of the Rigol DSA815 Spectrum Analyzer with a resolution of 800x480pixels provides a very good overview over all its comfortable functions like Auto Tune, Auto Range, Auto Scale and Auto Couple. These functions enable the analyzer to acquire signals and match parameters automatically, instead of the manual process necessary with a traditional analyzer. The Rigol Spectrum Analyzers have a sophisticated and easy to use user interface and offers multiple functions for all tasks. The menu navigation is very intuitional in use and all functions and parameters are easy to reach because of the graphical interface. Benefits of Rigol's all digital IF design The ability to measure smaller signals: on the basis of this technology, the IF filter enables smaller bandwidth settings, which greatly reduce the displayed average noise level. The ability to distinguish between small signals by frequency: using the IF filter with the smallest bandwidth setting it is possible to make out signals with a frequency difference of only 100 Hz. High precision amplitude readings: this technology almost eliminates the errors generated by filter switching, reference level uncertainty, scale distortion, as well as errors produced in the process of switching between logarithmic and linear display of amplitude when using a traditional analog IF design.
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The tracking generator is necessary for anybody serious about cavity and duplexer tuneup. For example, in tuning a used UHF duplexer I found that the isolation would suddenly go away as I turned the notch piston capacitor in the duplexer beyond a certain point. It is possible the capacitor might have been damaged by too much tweaking by a previous owner, or damaged by lightning. I backed off the adjustment and still had lots of isolation for the system. The alternative would be not to use the duplexer since I did not know what happening had I not been using the DSA815-TG. In another instance, the duplexer had two notches that could not be completely merged by adjustment, probably because I was about 8 Mhz out of band on the duplexer, but there was still lots of isolation and the duplexer was still very usable and is now inservice.
Once the adjustments are complete, you can print-save a copy of the screen to a USB for later reference. Although once adjusted, duplexers usually should not need readjustment for a long time, but this is still a great resource when checking the duplexer later to remember exactly what the final results were.
The only hit is I do not understand the reasoning for locking out VSWR measurements unless you pay for a kit software/hardware license upgrade. This is a matter of convenience because you can find VSWR with a return loss bridge and chart. Calculating VSWR is not complicated and they could still sell a hardware kit if they like. For that matter, all the accessories are very expensive, but considering the basic functions of the DSA815 that you get for the initial price, it is a good value.