Why?
Because I'm curious to see it working ...
Why?
Because I'm curious to see it working ...
Connectivity and a settings summary is shown in the blank portion on the very top of the display just as it's done with SDS2kX and 1kX+ and the AWG is 'driven' with the option softkeys just like with the mentioned models.
all fine thanks, I just want to play with the unit asap
There are default Bode plot values within the scope UI but they can be altered to suit your needs. Eg. different sweep frequencies, Voltage etc.
So for example with SDG2122X 0-120MHz sweep and scope will do automatic switching to get high dynamic range also? No silly limitations, real deal?
There are default Bode plot values within the scope UI but they can be altered to suit your needs. Eg. different sweep frequencies, Voltage etc.
So for example with SDG2122X 0-120MHz sweep and scope will do automatic switching to get high dynamic range also? No silly limitations, real deal?
You'll have to wait a couple more weeks to see all the detail, but some little overview.
When you setup the swept range, the Bode plot horizontal scaling is adjusted to suit. Start and stop limits can be set. The screenshot in the OP is typical of what you see with the phase shift as the fainter trace.
For a large frequency range, the sweep can take some time to calculate and display all the trace but using the 2 ASIC's (1&3 or 2&4 ch's) speeds things up heaps. Yes you can select the channel the Bode plot is performed on/with.
Much depends on the filter you want to sweep as it will have a target frequency so you might first sweep it over a wide frequency range just to check and then narrow the sweep to what will better suit frequencies of interest.
It can take a while (5s) to get through to 1 MHz then it flies.
TBH I haven't gone looking for max frequencies it can manage as I have only 30 MHz available ATM.
When Dave gets one I imagine he'll have a good look at Bode plots to follow on from a vid he did on them some time back.
Edit
From the Chinese website:
Ok thanks, lets wait and see. Some video popped up not sure if it has been around before:
Edit: Can spot some little room for improvement with phase table:
- good practice is to right-align numbers with fix amount of decimal places and keep decimal point at const place, then can move ?Hz to table header
- phase should also have fix no of decimal places, not fix total of no. Currently seems that large phase will have accuracy artificially reduced
All fixed:
Don't get too excited about bode plotting at high frequencies. A real network analyser has the ability to create a reference sweep and go from there for a very good reason!
Don't get too excited about bode plotting at high frequencies. A real network analyser has the ability to create a reference sweep and go from there for a very good reason!
If I understand correctly this uses 2 channel generator method like I used with my
DIY math based bode plotting experiments. Most differences not related to DUT should cancel out.
Don't get too excited about bode plotting at high frequencies. A real network analyser has the ability to create a reference sweep and go from there for a very good reason!
If I understand correctly this uses 2 channel generator method like I used with my DIY math based bode plotting experiments. Most differences not related to DUT should cancel out.
Yes, one scope channel is indeed the Ref channel and is not displayed at all until you leave Bode plot mode and return to normal scope mode. Ref is Ch2 in the image above.
Unless you have DUT BNC's, you need BNC to test clip leads (one for each side of DUT) and a BNC Tee to split the AWG signal sweep for DUT and scope Bode Ref input.
This all just asks for a thorough review. I'm curious what'll pop up.
The second week of November is almost over, so we must be getting close to hearing more. If we're lucky, it might even be later this week
Spotted on Daves Twitter page:
He mentioned receiving it in yesterday's video too. Why haven't you watched that yet? Well!?
He mentioned receiving it in yesterday's video too. Why haven't you watched that yet? Well!?
Been away, still catching up.
i want to see it run oscillofun or beams of light.
that seems like a good way to see how fast it plots in XY mode.
I hope to get the delivery this week or max next week.
We have now pages without pricing for 100MHz and 200MHz plus all options.
It is not clear yet if the WiFi dongle is included or optional.
We should get pricing and add them to the website hopefully by tomorrow.
Units (on limited availability) hopefully on 1 or 2 weeks.
I try to add as many info we can as quick as possible
This Ukrainian site has it on preorder (with obligatory wrong picture... ), 200MHz version for about 560€ (+VAT):
http://gtest.com.ua/sds1204x-e.html
English google translation:
https://translate.google.it/translate?hl=it?sl=auto&tl=en&u=http%3A//gtest.com.ua/sds1204x-e.html
560 euro plus VAT is nearing 700 euro, or maybe over 700 euro delivered. I'm not seeing a DS1054Z killer just yet.
You compare prices with old Riglol DS1054Z and SDS1204X-E. Do you really think you compare apple with apple.
200MHz vs 50MHz (hacked 100MHz)
500MSa/s all 4 channels on vs 250MSa/s
1GSa/s for two channels vs 500MSa/s for 2 channels on.
real full resolution 500uV/div vs 5mV/div real full resolution
Always background real time running waveform history buffer. vs nothing
Fast sequence acquisition (aka segmented memory acq) vs some kind of slow frame recorder.
Full speed mask test vs crap slow mask test (with false statistics die to different speed with pass or fail state)
1M FFT vs 16kt(?) FFT
Much more fast UI
Professional grade Sin(x)x interpolation vs total crap fake Sin(x)/x
True full current memory length and full sample resolution measurements vs measurements from highly decimated display data. (very extremely poor time resolution with slower time bases)
and more...
it seems right but some mistake on the description like the 16 channels (not really available)
16 channels option is not mentioned into the data sheet