Search found 936 matches

by Gerry
Mon Mar 29, 2021 5:36 pm
Forum: Pre-Sales Advice
Topic: Picoscope 2206B
Replies: 1
Views: 544

Re: Picoscope 2206B

Hi Grommit, You should have no problem driving an LED from the output of Signal Generator. 40kHz is a period of 20us, which for a duty cycle of 20% will give you a pulse width of 4us. The minimum pulse width in a PS2206B would be 1us (maximum frequency of 1MHz), so pulse width in the Arbitrary Wavef...
by Gerry
Mon Mar 29, 2021 4:17 pm
Forum: USB DrDAQ
Topic: Read raw mV value from DrDAQ's pH channel from the SDK
Replies: 3
Views: 827

Re: Read raw mV value from DrDAQ's pH channel from the SDK

Hi MaximeDL, Last time I checked, this was done in the Driver (in order to provide Temperature compensation based on the sensed connection of the DD100 Temperature sensor to the relevant input channel). That was for PicoLog 5, but I wouldn't expect that to be different for PicoLog 6. However, one of...
by Gerry
Mon Mar 22, 2021 6:54 pm
Forum: USB PC Oscilloscopes
Topic: USB Device Not Recognized -5244D - USB3
Replies: 9
Views: 1243

Re: USB Device Not Recognized -5244D - USB3

H iBSI, Here's the search results: https://www.google.com/search?q=VL812+usb+issue&rlz=1C1GCEU_en-GBGB913GB914&oq=VL812+usb+issue&aqs=chrome..69i57j33i160.5717j0j7&sourceid=chrome&ie=UTF-8 I didn't follow these up because I'm not able to do anything with the information, and I didn't go into detail ...
by Gerry
Sat Mar 20, 2021 3:14 pm
Forum: USB PC Oscilloscopes
Topic: USB Device Not Recognized -5244D - USB3
Replies: 9
Views: 1243

Re: USB Device Not Recognized -5244D - USB3

Hi BSI, Thanks, Your references to similar issues experienced by other Forum members show that they aren't 5000 series PicoScope related, and we do have similar USB issues with other series of PicoScopes from time to time (there a number of factors involved in the start-up process). However, I didn'...
by Gerry
Fri Mar 19, 2021 6:22 pm
Forum: USB PC Oscilloscopes
Topic: USB Device Not Recognized -5244D - USB3
Replies: 9
Views: 1243

Re: USB Device Not Recognized -5244D - USB3

Hi BSI, I forgot to ask if you could point out where you saw these issues elsewhere on the Forum, so that we can look at a collective solution to this. Also, the fact that the "working" cable is shorter, seems to suggest that the issue is the USB current capability. Depending upon what you're doing ...
by Gerry
Fri Mar 19, 2021 5:54 pm
Forum: Getting Started
Topic: Picolog 1216 input displaying incorrectly
Replies: 1
Views: 672

Re: Picolog 1216 input displaying incorrectly

Hi Robert, Could you post an image of how everything is connected up. Could you also post a picolog data file showing the issue. Could you explain in more detail about the effects of restarting the software (what do you mean by resetting the values, i.e. do you mean that inputs that weren't recordin...
by Gerry
Fri Mar 19, 2021 3:38 pm
Forum: USB PC Oscilloscopes
Topic: USB Device Not Recognized -5244D - USB3
Replies: 9
Views: 1243

Re: USB Device Not Recognized -5244D - USB3

Hi BSI, These sort of issues can be associated with powering the device over USB. So, let's first of all establish what we know (correct me if I'm wrong): The issue has a marginal aspect, because you can get temporary connections to Windows (via the Driver). The Blue Pico cable works for the PS5244D...
by Gerry
Thu Mar 18, 2021 7:12 pm
Forum: Pre-Sales Advice
Topic: Help deciding on PicoScope for FRA for Switch-Mode PSUs
Replies: 7
Views: 1423

Re: Help deciding on PicoScope for FRA for Switch-Mode PSUs

Hi Tim, The problem will be that the Buffer size of the 2204A is too small. I have explained this in detail below, but if you just want the summary, that is towards the bottom of this reply. A Bode phase and frequency plot essentially plots swept Spectrums of values. In order to plot a Spectrum you ...
by Gerry
Thu Mar 18, 2021 5:24 pm
Forum: General Software Discussions
Topic: 2406B Block Mode
Replies: 3
Views: 986

Re: 2406B Block Mode

Hi lanah,

I do apologise for the delay in responding.

I have made corrections to this post. I'll have look at the example code.

Regards,

Gerry
by Gerry
Thu Mar 18, 2021 4:35 pm
Forum: USB DrDAQ
Topic: Ion selective electrodes DrDaq
Replies: 4
Views: 4944

Re: Ion selective electrodes DrDaq

Hi Stephanos, Sorry for the late response. We can certainly help you with the data acquisition side of your measurement application. However, aside from my previous answer I have no more expertise on ion selective electrode setup with more than one electrode (our expertise is in using sensors with t...
by Gerry
Thu Mar 18, 2021 12:36 pm
Forum: PicoLog
Topic: Picolog huge voltage offset with 4444.
Replies: 1
Views: 1015

Re: Picolog huge voltage offset with 4444.

Hi DwightG,

I see that your Support Request is being handled by one of my colleagues.

Regards,

Gerry
by Gerry
Wed Mar 17, 2021 6:19 pm
Forum: General Software Discussions
Topic: UART decode via SDK
Replies: 1
Views: 676

Re: UART decode via SDK

Hi eiselekd, UPDATE 22/3/21 I have made some changes, and fleshed this answer out in a bit more detail, in response to a similar query from our Help Desk. The SDK is for developing your own applications, and we only provide examples of basic data acquisition (as the reasons for creating your own app...
by Gerry
Wed Mar 17, 2021 5:40 pm
Forum: USB PC Oscilloscopes
Topic: 2205A, noise level in Spectrum mode
Replies: 2
Views: 1050

Re: 2205A, noise level in Spectrum mode

Hi vit_s, You can't check the noise floor in Spectrum Mode because we apply an adjustment to the values displayed, in order to correct the peaks of signals for maximum accuracy. This correction changes the noise floor depending upon how many bins you select for the frequency plot (for more informati...
by Gerry
Sun Mar 14, 2021 4:59 pm
Forum: Pre-Sales Advice
Topic: Is it possible to measure the spectrum of extremely low frequencies (1 to 100Hz) with PicoScope?
Replies: 7
Views: 3009

Re: Is it possible to measure the spectrum of extremely low frequencies (1 to 100Hz) with PicoScope?

Hi tomasz, I have given you a direct answer to your question, using a Secondary Spectrum view, in PART B below. I have also discussed how this would work in a Primary Spectrum view, and how to view the Time Gate in a more direct way when you have a Bin Width requirement (because, although this gives...
by Gerry
Fri Mar 12, 2021 11:54 am
Forum: Introductions
Topic: how to measure noise spectral density in V/sqrt(Hz) vs frequency
Replies: 1
Views: 1087

Re: how to measure noise spectral density in V/sqrt(Hz) vs frequency

Hi Shadi, We don't perform that in PicoScope 6. So, to convert the components of the Spectrum plot you would need to export the csv file, so that you can work on the data set (e.g. in a suitable tool such as Excel, Matlab or Python) and then do the following: First you need to detrend the spectrum (...