High Voltage Generator for Geiger Tubes
Output Voltage vs. Input, measured by me
Icc[mA] @ no load
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgynlLJOHjt909Yxob_DOQh5GDPPoB9anQR0cRcWwt3nrZkGlckjm9bS9bQB6LjxaG8Z0BOaYc1SWtLJGy4g0OrvmQ6UaPmBeu_g0dfpeV8hxhl957Fgv5A-Erxa_TT83JD8kgXfTNPnUSu/s400/Current.png)
version 1
GM tube СИ3-БГ (SI3-BG) may be is not suitable for measuring the background radiation.
This tube is not very sensitive, it counts less than 1 cpm without any radiation sources around ??!! (in my case HV=420V)