attila

Hi @Zach
Set the analog-in range to >10V to fit +/-5V. This is expressed in peak 2 peak and the AD2 has two range steps 5V and 50V, so setting above 5V the 50V will be used.

Hi @daanwielens
Use hysteresis, FDwfAnalogInTriggerHysteresisSet

Hi @Zach
You probably need to add a bit of delay (time.sleep(0.1)) between the supply enable and scope measure to let the supply ramp up.
The AD2 does not have DMM. The WF app AC/DC/RMS measurements are not available in SDK, but this can be implemented in custom app based on scope capture data.
Use the following as initialization to keep the device running after close/app exit.
dwf.FDwfParamSet(DwfParamOnClose, c_int(0)) # 0 = run, 1 = stop, 2 = shutdown
 

got it. thank for your support

Hi @m72
 
 

Hi @Davidson.Cassagnol
See the WF SDK/ samples/ py/ AnalogImpedance_Analyzer.py
For constant frequency see: AnalogImpedance_AnalyzerConstant.py

Hi @m72
Thank you for the observation.
I actually had a note in the HDL code that this needs to be fixed but forgot about it. It will be fixed in the next version.

Many Thanks for the help
Regards
Mandar
 

Hi @Davidson.Cassagnol
The typo was fixed in the newer versions.
 

Hi @Davidson.Cassagnol
You could use network/impedance functions. Take a look at the examples in WF SDK/ samples/ py/ 
AnalogImpedance_Analyzer.py
AnalogImpedance_Compensation.py
AnalogImpedance_Input.py
AnalogImpedance_Measure.py
AnalogImpedance_Meter.py
AnalogImpedance_OffsetSweep.py
AnalogImpedance_OffsetSweepCp.py
AnalogImpedance_ThinkSpeak.py
AnalogNetwork_Analyzer.py

Thanks !

Hi @David Aurora
It will be added to the next version.
Thank you for your post.

Hi @LJH
See the following: ex1.py (changed to sine to be easier to verify)
If you are capturing less than 32Ki samples/channel you can use single capture mode.
You could use up to 32Ki samples for analog-out custom for higher resolution signal.
I recommend using the latest version sine beside other things it fixes some related to ADP3000 recording.
 

Thanks for the info, I will try the Filter stuff.
Looking forward to the next version, triggering on 3 consecutive characters sound perfect :-)
regards
PhilipJ
 

Hi @PhilipJ
Double click on the bottom axis.

Hi @PhilipJ
In Repeated and Scan capture modes the trigger position and time base adjustment will affect the next capture.
In Record mode these can be configured with the Config button before Record.
For search use Filter option in the View/ Event and you may can configure Hexadecimal, HexASCII, ASCII format under the UART channel properties.
The next version will support triggering on up to 3 consecutive chars.

Hi @Anthocyanina
Just increase the height of the Bus or the interpreter you are using, specify format, skip bits if needed...
Alternatively in the Script tool you can add plots or transfer the Logic Analyzer data to Scope channel data or Wavegen...

Awesome, that gave the expected behavior, thank you! 

Attila,
Thank you again for the update. The new eula is what we needed.
Regards,
Stephen

Thanks for the suggestions.  With the updated version of the SDK (3.18.50) and the change to param stop-on-close, I can see the expected output from the DigitalDiscovery_PlayRecord.py example as you've shown.  I haven't had the same success with DigitalDiscovery_Play.py (yet).  However, my original Python scripts appear to have started working again, outputting the expected patterns, so the latest SDK version is the one I'll carry on with.

Hi @attila
Thanks, I tried the new bit file and it worked successfully, it worked great. I'm still researching, thanks a lot!

Hi @LJH
Yes, the analog-in offset shifts the input range. The raw (16bit) ADC values are offset but the processed voltage samples are compensated for this to return the real input voltage.

Hi @Alicia865
1. This is what the above script does.
2. No, the csv files appear immediately when the script calls the export function.
3. When pressing the export menu or calling the function the current data is save, what you see is what you get.
You could write a script to append data to file, see the Help tab/ Script/ File functions
There are various export sources, the "Impedance Analyzer" contains all the opened views and traces.
A constant frequency can also be used, like here 10s average and 60 steps will take about 10minutes, if this is what you are looking for.

Thank you so much Attila, this was exactly what I was trying to do!

Hi @towen
In Logger the selected and checked channels are drawn.
The attenuation can be specified under the gear option.
Custom channels can be added under the plus button / Function.
The Scope offers Math channels (function performed on each sample) and Measurements (performed on capture, on array of samples).