entre un USB GPIB HS et HS+, lequel est mieux?

[feriel0209]

Sachant que je vais connecter une SMU sur mon PC pour faire l'acquisition de données, est il préférable d'utiliser un GPIB USB HS ou un GPIB USB HS+ ( contient un analyseur) ?

Est ce que cette nouvelle fonctionalité du GPIB HS+ ( analyseur intégré ) va bien marcher sachant qu'actualement j'ai une version sans analyseur et que ça fonctionne super bien.

Merci d'avance.

[Dennis_Knutson]

An analyzer is essential if you are designing a GPIB instrument. If you have working code, you'll never use the analyzer. Evenif you have a need to create new code, the normal debug functions are probably enough without the very low level data that the analyzer provides.

[feriel0209]

thank you for you answer.

Well, on the page of national instrument, there are two types of GPIB USB. The cheapest one is the one having the analyser. I think I am going to buy it but I am afraid it will not be working like the one I have without the analizer.

The power requirement for the GPIB HS ( without analizer) is 5 V.

thanks 

[Dennis_Knutson]

They work exactly the same. I'm surprised that the cheapest one had the analyzer, though.

[feriel0209]

Beacause it was the cheapest and have the analyzer, I was afraid it will not be working like the other!

I wonder why it is the case though! 

Thank you 🙂

[JasonSmith]

The GPIB-USB-HS+ is the newer and better product. The GPIB-USB-HS is still available for people who need if for their existing applications, but all new users should choose the GPIB-USB-HS+. An example where someone would want the GPIB-USB-HS is if they have to continue using an older driver on their systems, which cannot support the GPIB-USB-HS+.

The GPIB-USB-HS+ should be fully compatible with the GPIB-USB-HS, but with somewhat better performance, smaller size, and the included GPIB analyzer.

As Dennis mentioned, most people will not need the GPIB Analyzer functionality. By including it for all USB customers, you no longer have to decide at the time of purchase whether you will need it. Often you do not know you need it until during a support request you will be asked if you have one!

[feriel0209]

Thans for you detailed answer 🙂