Products > Test Equipment
MSO5000 Bode Plot Capability: Is it Good Enough? [Many tips about a 1st scope]
balnazzar:
--- Quote from: nctnico on October 02, 2022, 07:15:08 pm ---That is lacking on many lower end 4 channel oscilloscopes.
--- End quote ---
Very bad. I initially thought that one of the two BNCs on the back was for external trig, but it's not so..
The Siglent also lacks it..
I can think of N situations where it would come handy.
What is the cheapest 4chs with external triggering? I'm afraid it's precisely the MSO5000...
balnazzar:
--- Quote from: tautech on October 02, 2022, 07:21:51 pm ---
Yes and class leading at 50 MHz.
All Siglent DSO's capable of Bode plot can drive the USB powered SAG1021I that is now an insulated channel version however like any internal or USB powered AWG, stimulus levels are very limited, regardless of the brand.
If you need a wide dynamic range and and good stimulus levels from an AWG, a standalone 2ch unit and Bode plot capable DSO is the only way to go and offer far more options as skill and needs develop.
Think of this as upselling if you like but why at this level of investment do you need to your limit capabilities in your future as one day you might think doing this is very valuable:
https://www.eevblog.com/forum/testgear/fooln-around-with-dso-awg/
--- End quote ---
Ok, correct me if I'm making mistakes.
The SDS2000 Plus has an inbuilt WG (how many volts?), it's available with no license (or hackable) and it can be used for bode plotting. OR, the inbuilt WG cannot be used for bode plotting and one needs to purchase the SAG external generator?
balnazzar:
--- Quote from: tautech on October 02, 2022, 07:21:51 pm ---
All Siglent DSO's capable of Bode plot
--- End quote ---
Apart from the bode plots, if you had to make a case for the Siglent scope vs. the Instek, what would you say to a prospective customer?
What does your scope have that the Instek lacks?
tautech:
--- Quote from: balnazzar on October 02, 2022, 08:18:21 pm ---
--- Quote from: tautech on October 02, 2022, 07:21:51 pm ---
Yes and class leading at 50 MHz.
All Siglent DSO's capable of Bode plot can drive the USB powered SAG1021I that is now an insulated channel version however like any internal or USB powered AWG, stimulus levels are very limited, regardless of the brand.
If you need a wide dynamic range and and good stimulus levels from an AWG, a standalone 2ch unit and Bode plot capable DSO is the only way to go and offer far more options as skill and needs develop.
Think of this as upselling if you like but why at this level of investment do you need to your limit capabilities in your future as one day you might think doing this is very valuable:
https://www.eevblog.com/forum/testgear/fooln-around-with-dso-awg/
--- End quote ---
Ok, correct me if I'm making mistakes.
The SDS2000 Plus has an inbuilt WG (how many volts?), it's available with no license (or hackable) and it can be used for bode plotting. OR, the inbuilt WG cannot be used for bode plotting and one needs to purchase the SAG external generator?
--- End quote ---
All Siglent DSO's can use any of their AWG stimulus sources for Bode plots without any licensing restrictions.
However for general FG/AWG use licensing need be purchased for inbuilt or SAG1021I usage whereas for standalone with their much higher stimulus/amplitude levels no licensing is needed although they cannot be controlled from within the DSO's UI like the inbuilt and USB units can.
OTOH for Bode plot usage the DSO takes charge of external AWG stimulus while the Bode plot feature is running via the USB control connection or with the standalone units you can also have the scope control the AWG over LAN.
For Siglent scopes all optional functionality has 30 free trial uses before without licensing these options cease to work. The spectrum analyzer ranges are different and they offer free use of all options until 120hrs of runtime is reached.
tautech:
--- Quote from: balnazzar on October 02, 2022, 08:21:17 pm ---
--- Quote from: tautech on October 02, 2022, 07:21:51 pm ---
All Siglent DSO's capable of Bode plot
--- End quote ---
Apart from the bode plots, if you had to make a case for the Siglent scope vs. the Instek, what would you say to a prospective customer?
What does your scope have that the Instek lacks?
--- End quote ---
We sure can compare models with just manuals and datasheets but we need know the model class first.
We inform to help with the best decision for current needs and future use but in the end it is not our money to spend.
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