Products > Test Equipment
x1 Oscilloscope Probe Shootout
artur0089:
Why didn't Rigol implement Bode in his previous generation instruments, following the example of Siglent?
The question is rhetorical.
2N3055:
--- Quote from: artur0089 on September 26, 2023, 03:43:55 am ---Why didn't Rigol implement Bode in his previous generation instruments, following the example of Siglent?
The question is rhetorical.
--- End quote ---
You are wrong, non rhetorically...
They did, and it was a complete joke.
And answer is that Siglent and Rigol seem to have different product strategy.
Respectfully, how is this relevant to the discussion about probes?
artur0089:
The topic was created based on a video, in which Dave does something that no manufacturer has advertised in their devices.
And what? A complete failure, both in amplitude and phase! Results at frequencies above 15 MHz are unstable and cannot be cloned.
Siglent has a great idea, to use both channels of the generator. I don't have such a kit and can't check it.
All that remains is to regret the “support” of the software from Rigol.
artur0089:
By the way, if anyone wants to make a Bode plot using the Siglent kit, using two generator channels.
The Rigol DG1000Z comes with only one 50 Ohm coaxial cable.
But, “an old warrior is a wise warrior”...
Immediately, I bought a pair of identical cables on AliExpress. Above, a comparison at 40 MHz, with them. The phases coincided at 0 degrees.
Below is a comparison of the original one (yellow) and the purchased one (blue). The difference in length is 10 mm, the original one is shorter. Length 1120 mm.
Which one is more correct?
Up to 15 MHz the difference is unnoticeable.
artur0089:
Manually, from two generator channels.
At each frequency, I calibrated the phase and signal level.
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