michaelvv Posted June 13, 2019 Share Posted June 13, 2019 Hi Digilent. I'm totally new to the analog discovery , so yesterday I tried the "audio analyzer suite" and I saw that my channel 2 seems to be "not working". Just now I fired up waveforms, and tried the network analyzer , and it seems to have the same issue. When I tried the wavegen and the scope I have no problems. I have attached 3 images , the should show the issues. I have also attached the project file I'm using. Thanks Michael. network_settings_digilent.dwf3network Link to comment Share on other sites More sharing options...
attila Posted June 13, 2019 Share Posted June 13, 2019 Hi @michaelvv According the Scope screenshot the Channel 2 is working, only the polarity is inverted relative to Channel 1. Make sure you have the scope input polarity 1/2 +/- connected correctly. In the Network Analyzer it looks like Channel 2 is connected to a different signal or you have very effective bandpass filter at 1kHz. The setup for such measurement should look like this: Wavegen = W1; Scope 1 = 1+; Scope 2 = 2+; 1- and 2- GND Could you post a photo or sketch about the wiring and test setup? Link to comment Share on other sites More sharing options...
michaelvv Posted June 13, 2019 Author Share Posted June 13, 2019 Hi Attila. I might be a complete idiot, but I have just wired it using the BNC add-on card directly. My goal is to be able to use the "audio analyzer suite" and of course waveforms. Thanks Michael. Link to comment Share on other sites More sharing options...
michaelvv Posted June 13, 2019 Author Share Posted June 13, 2019 Hi Attila. I saw the video on youtube from blueglow electronics https://www.youtube.com/watch?time_continue=885&v=1rOvdsxQVTY and I could see that he is using the channel 1 with a T-Adapter so it feeds both left and right channel to ( input on the amp ) from only channel 1. Could it be the issue ??? Link to comment Share on other sites More sharing options...
attila Posted June 14, 2019 Share Posted June 14, 2019 Yes, you need one stimulus signal. https://projects.digilentinc.com/brandon-marcum/using-the-network-analyzer-with-the-analog-discovery-2-88f698 Link to comment Share on other sites More sharing options...
Question
michaelvv
Hi Digilent.
I'm totally new to the analog discovery , so yesterday I tried the "audio analyzer suite" and I saw that my channel 2 seems to be "not working".
Just now I fired up waveforms, and tried the network analyzer , and it seems to have the same issue.
When I tried the wavegen and the scope I have no problems.
I have attached 3 images , the should show the issues.
I have also attached the project file I'm using.
Thanks Michael.
network_settings_digilent.dwf3network
Link to comment
Share on other sites
4 answers to this question
Recommended Posts
Archived
This topic is now archived and is closed to further replies.