Search found 5 matches

by John Jebb
Wed Mar 25, 2015 8:37 am
Forum: Applications
Topic: Frequency Response Analyzer with Bode Plots
Replies: 631
Views: 3299616

Re: Frequency Response Analyzer with Bode Plots

Hi Aaron, I noticed a few other things... 1/ There is a 'Tools/Calibrate' menu item. It does not appear to do anything. 2/ There is a 'Tools/Options' menu item. It does not appear to do anything. 3/ Is it possible to pre-set the vertical db scale by hand? The program selects the vertical scale for y...
by John Jebb
Tue Mar 24, 2015 1:38 pm
Forum: Applications
Topic: Frequency Response Analyzer with Bode Plots
Replies: 631
Views: 3299616

Re: Frequency Response Analyzer with Bode Plots

Hi Aaron, I found that if I set the lowest frequency to say 1Hz, the program generated a few lines in the log and then stopped with a fault message. "Fatal error. Data capture timed out" I then raised the lowest frequency and tried again and again till it worked. When I got to 8Hz the program worked...
by John Jebb
Tue Mar 24, 2015 11:47 am
Forum: Applications
Topic: Frequency Response Analyzer with Bode Plots
Replies: 631
Views: 3299616

Re: Frequency Response Analyzer with Bode Plots

Hi, I mean that I launched it from Windows using a shortcut, then shut it down using File/Exit. I waited 5 minutes then launched it again. At that point it would not re-start. I then found that the FRA4Picoscope process was still in memory. As part of a completely different application not involving...
by John Jebb
Mon Mar 23, 2015 12:54 pm
Forum: Applications
Topic: Frequency Response Analyzer with Bode Plots
Replies: 631
Views: 3299616

Re: Frequency Response Analyzer with Bode Plots

Aaron, Thanks for your reply. I tried starting the FRA package, then waiting 5 minutes. It still would not start. I disconnected the USB and re-connected and it still would not re-start FRA. It would re-start Picoscope though. I looked in the Windows Task Manager and found a process FRA4Picoscope.ex...
by John Jebb
Fri Mar 20, 2015 9:19 am
Forum: Applications
Topic: Frequency Response Analyzer with Bode Plots
Replies: 631
Views: 3299616

Re: Frequency Response Analyzer with Bode Plots

Hi, I will soon have an application that would be much easier with this package. So I was pleased that it appeared in good time. Thank you. But... I have just loaded the Frequency Response Analyser application. I have my Picoscope plugged in. When I started FRA first time I got a display page as sho...