Products > Test Equipment
New entry-level R&S NGE100 Power Supply Series
eevbstedt:
--- Quote from: Rich@RohdeScopesUSA on March 10, 2020, 05:27:20 pm --- There is also a new firmware coming out soon (1.54) with additional updates/fixes. As soon as I have those I'll update here as well.
-Rich
--- End quote ---
Update?
Alex P:
--- Quote from: eevbstedt on September 30, 2021, 02:07:13 pm ---
--- Quote from: Rich@RohdeScopesUSA on March 10, 2020, 05:27:20 pm --- There is also a new firmware coming out soon (1.54) with additional updates/fixes. As soon as I have those I'll update here as well.
-Rich
--- End quote ---
Update?
--- End quote ---
It was released March 16, 2020. See https://www.rohde-schwarz.com/nl/firmware/nge100b/
alonsojar:
Hi, there is a new firmware 1.55 released since Friday. I've noticed this is deployed in the R&S Spanish download page https://www.rohde-schwarz.com/es/firmware/nge100b/ but not in the English one by now. I imagine it will be generally available soon, but if anyone wants to take a look.... :D . At the first sight looks very close to the previous one, except the fan behaviour that now has more hysteresis (less start-stop cycles).
Electronics404:
--- Quote from: Octane on April 26, 2017, 03:33:57 am ---When I set the current set point to 20mA it immediately went into CC mode without anything connected to the terminals.
--- End quote ---
Does anyone else have experience with this behavior?
When I got my NGE103 I noticed that behavior on CH1 and I got in contact with the R&S support.
I was told to send it back and just got a replacement unit delivered today. Unfortunately, it has the same issue but this time on CH3.
Video of the issue on my first unit: https://youtu.be/ltwoPL4OYWs
I also noticed that CH2 & CH3 enter CC-mode about 15mA before actually reaching the set current.
I use an active load to apply a constant resistive load to the supply's output.
As you can see in the video, I increase the load until about 85mA where it already shows cc-mode (set current is 100mA). But it looks like it's constantly trying to jump between CV and CC.
Only if I increase the load further, it will eventually limit to the set current and decrease the voltage without jumping around.
Video:
I don't know if this is a hardware issue or software related, I got the unit delivered with FW version 1.56 and tried updating to 1.57, but the same issue still persists.
Not sure what to do now, with this being the 2nd unit that has issues and reading previous post in this thread...
I mean currently I would trust my two Korad supplies over this any day, and they were like 1/10th the price :-\
EDIT:
I turned the supply on today and now I have problemes even with CH1, that I didn't have when I tested yesterday!
Video: https://youtu.be/CH3KNrPozws
Like I already mentioned above: CH3 stays at 0V, even with nothing connected to the output, until I increase the set current to above 15mA...
But now CH1 won't start limiting the current until around 40mA, with a set current of only 3mA??? It didn't do this yesterday!
Video: https://youtu.be/NoL4lNmjB5c
Another test with the set current at 100mA: It won't start limiting until about 135mA!
exe:
> I use an active load to apply a constant resistive load to the supply's output.
Do you have an oscilloscope to check for oscillations? Which active load do you use?
What else you can do is to use resistor and gradually rise the voltage to see at which current the CC mode trips.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version