Author: l.i.papadopol
EL84 Guitar Amplifier
Recently I’ve designed and built a simple yet very nice playing guitar amplifier. I’ve designed it keeping in mind that I don’t wanna distortion: it’s…
EL84 Holder 3D printed
I’ve made this cute 3D printed holder for EL84 tubes. It’s compatible only with western made tubes not Russians/Eastern block because holes are 22mm diameter….
12V to 6kV High Voltage transformer
The primay power source in my home made X-Ray machine is an high-voltage high-frequency transformer. This transformer is drived by a Mazilli ZVS circuit and…
X-Ray dental film ECO 30
Hello! I’ve tested this “Dentalfilm ECO30” and “Ergonomix” with my improvised X-Ray machine. Them are self developing film for X-Ray imaging of dental implants etc….
X-Ray machine V1
Finally I’ve made it! Yes, I’ve built an X-Ray machine for non destructive inspection of circuits and objects. The level of radiation generated by this…
CsI(Na) cutted and polished at home
June 2020. After some time searching around on the net for a scintillation material that I can shape at home, I’ve found a Dutch guy…
DIY Scintillation probe: 63x63mm NaI(Tl)
Some time ago I’ve won a 63×63 NaI(Tl) crystal for around 80€ at eBay. It is an SDN52 a special crystal designed to be heat…
SI-31G geiger
This is the biggest geiger tube I have seen! I’ve bought one for 25€ at eBay. Glass tube, thermostable. Cathode: tungsten powder. Length of the…
Lead castle
A lead castle, also called a lead cave or a lead housing, is a structure composed of lead to provide shielding against gamma radiation in…
OST 40x40mm NaI(Tl)
I’ve finally tested my brand new 40x40mm NaI(Tl) crystal from OST making with it a new probe for my lab. This time I’ve tested epoxy…