Electronics > Projects, Designs, and Technical Stuff

"Tail" pulse generator // particle detector simulator

<< < (3/3)

ChristofferB:
Just to round off this topic (I know it's a bit old now, sorry!)

I ended up buying a proffessional pulser (for like 20$ - and it's ORNL surplus!!) which is based on a mercury wetted relay. I made a brief video on its teardown and operation, I though that might be of interest to others than me.

OM222O:
You could have also used a small capacitor and a fet.
The fet would "short" the capacitor and charge it without resistance which is pretty fast, then when the fet disconnects, the cap would discharge via a small resistor to have the rounded off "tail". By choosing low capacitance fets and reasonably small capacitor and resistor, it should have been possible. Then all you needed was a square wave pulse to control the fet 😉

eliocor:
Here is the schematic of one of the simplest wetted relay pulser: the Canberra 807

ChristofferB:
Thank you so much! This might actually be functionally identical to my Tennelec unit, as the function is identical, and Canberra bought Tennelec in the late 80's!

Navigation

[0] Message Index

[*] Previous page

There was an error while thanking
Thanking...
Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod