Gamma Spectrometry Forum

I’m trying the same experiment from though Emporium with 2 gamma scintillator and i was wondering how to connect 2 usb-pro for coincidence counting. In the manual there is written to connect them with an audio crossover cable…. Is that it?

Sorry to say that today we have replaced the op amp but still nothing….. guess i have to buy a new one……
Very sad….🥲

Florence in Tuscany

Could you make just the schematics for the op-amp (not that we need it to replace it), the professor wanted to now where the op-amp pin are connected to. Hand written is fine

Hi Steven, today we checked the board and unfortunately the capacitor from where we get the signal shorted out the professor says that almost surely there is nothing to do but he wants the circuit schematics anyway to check can you send them? we didn’t had the op-amp in lab (we hope that the hv just...

Hi chase, I melted a lot of old lead pipe that i got for free from a local dump. actually I don’t suggest doing the same…it’s bean such a pain to melt end clean from the scraps all that heavy metal.

Tommaso.

Thanks for the fast replay and the suggestion Steven, today I’ll check it with a phd in electronics i’m sure we will find and fix the problem.

I bought a GS-USB-PRO V3.2 last year and it worked great but suddenly has started producing a orribile noise (i mean in the audio signal). I unplugged everything immediately, but now it doesn’t work anymore… i hear silent and if i change the volume i hear the terribile noise (only at a certain volum...

Hi from italy, i’m tommaso a physics student that likes to play with radiation 🙃👋