AC-1 High-sens β-selective Geiger counter
l.i.papadopol
This tube is very hard to find. It’s made from alluminium and glass and is a β-selective Geiger counter. It’s counts only beta’s! Tech. spec.: ·Radiation determine: (β-) beta soft/hard…
SBM-21 Micro geiger tube
This is the smalles geiger tube I could find. It’s so cute but… so insensitive to the background. It’s a good tube to build around it a personal dosimeter. It’s…
CM108AH USB soundcard on a chip
I’ve found great difficulty to find an application note of this USB soundcard on a chip. I ve decided to share here the info that I’ve found. I’ve made various…