Victoreen CDV-717 Remote Gamma Survey dosimeter
The CDV-717 is a very high-range gamma radiation ionization chamber detecting instrument, manufactured by Victoreen back in 1964.
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Archive for High Voltage
CDV-742 Dosimeter and CDV-750 Dosimeter Charger
The CDV-750-5b Dosimeter Charger is a self contained battery-operated instrument.
Repairing a Victoreen CDV-700 6B Dosimeter
Fixing a CDV700 dosimeter can be difficult because original replacement components are not an easy find.
Top 10 Radioactive Electronic Tubes
Some of these tubes contain small quantities of Cesium-137, Cobalt-60, Radium-226, Krypton-85. The radioactive elements have been added to increase the electronic response by improving the internal ionization processes.
DIY/Homemade Geiger Muller Digital Counter V3
A story of making a DIY Digital Geiger counter circuit, that can be used with several tubes. Add an enc28j60 Ethernet module and use the data to create graphs available online!
Vacuum tube tesla coil (VTTC) using Russian GU-81m
Vasil sent me 3 of his complete tesla coil systems. So here I am rebuilding his GU81m VTTC.
Longitudinal Excitation Nitrogen Laser
A Longitudinal Excitation Nitrogen Laser design, using a fridge pump for vacuum and N2 from air as lasing medium.
Building a socket for a power tube – TGI2 400/16
How to build a socket for a big Russian hydrogen Thyratron tube using copper connectors made out of a pipe.
Thyratron Switched Tesla coil (THYTC)
Using a hydrogen Thyratron tube to switch a Tesla Coil. The Thyratron tube replaces the noisy spark gap.
Relaxation oscillator using a Hydrogen Thyratron
Some details on the relaxation oscillators and my implementation using a hydrogen thyratron.
Pulse generator (Variable duration, frequency and amplitude)
A very customizable pulse generator built using three 555 timers, to control a relaxation oscillator hydrogen thyratron.
Pulse forming network
My DIY PFN for a relaxation oscillator using a hydrogen thyratron.
Twin Marx Generator
Some pictures with my marx generator throwing high voltage discharges!
Tube: TGI2 400/16 (ТГИ2-400/16), Russian hydrogen thyratron
A hydrogen thyratron is a device capable of switching big amounts of energy. The major advantage over other thyratrons is that the deionization time is reduced by using the hydrogen gas, generated in a small reservoir inside the tube, from a metallic Hydride.
Battery powered high voltage multiplier for gas igniter or stun gun
Learn how to build a compact gas igniter or stun gun, powered by a 9V battery.
Electric Fence – 20KV pulses for perimeter defense
Protect your tent’s perimeter from bears, when in the wild. A 20KV pulse generator will inflict painful shocks to anyone touching the perimeter electric fence wire. Not lethal, but very painful, enough to put unwanted visitors on the run.
Small Spark Gap Tesla coil (SGTC) #4
A small spark gap tesla coil, a good example for an relaxation oscillator.
Rewound Microwave Oven Transformer
How to rewound a MOT transformer for a high current low voltage power supply.
Vacuum tube tesla coil (VTTC) using Russian GI-30
A vacuum tube tesla coil built around the Russian tetrode GI-30. My first VTTC and my first vacuum tube circuit, and some very rewarding results.
High Voltage Power supply – 140KV
A CW High voltage supply that produces up to 140000 volts (140KV) . Simple, clean design, without oil, but with high quality multipliers.
Homemade Flyback secondary -3-
Build a disc shaped flyback secondary. A robust new design, that will do a great job in your High Voltage projects.
Thyratrons
An article on Thyratrons and a film showing three energized tubes : the 714, the 309/FG17 and the ELC1B.
A Farnsworth–Hirsch Fusor failed attempt
My first attempt in building an inertial electrostatic confinement device . It didn’t work.
Ion thruster using 50KV Supply
Build a Ion Thruster using light materials and power it using a 50KV supply to see another kind of propulsion.
Homemade/DIY High voltage probe
Using a high voltage 1GOhm resistor to built a DIY high voltage probe, to measure voltages up to 55KV with a normal multimeter, by scaling the voltage down by 1/1000.
X-ray intensifying screen
Get X-ray intensifying/fluorescent screens from X-ray cassettes used for radiography.
NaI Scintillation Probe and Gamma Spectroscopy
A scintillation probe enclosing the regulated high voltage supply, the signal amplifier, the photomultiplier and the scintillation crystal (NaI). Building a DIY counter for a NaI Scintillation probe. AtMega8 and a bluetooth module for wireless data output. A cheap and easy to build homemade dosimeter with applications in spectroscopy.
High Current Invertor using ZVS
Use a ZVS Driver as an invertor for a high current supply.
Marx Generator 200KV discharge – artificial lightning
See a 200.000 Marx generator in action. 20cm discharges!
High Voltage Power supply – 50KV
My homemade high voltage power supply that can provide aprox. 50KV for 12V in.
High Voltage Multiplier (Half Wave Villard Cascade) 28 STAGES!
Build a Half Wave Villard Cascade of 28 Stages. That means for 10KV in you get (in theory) 280KV out! An incredible voltage, perfect for physics experiments.
Kvarts DRSB-01 Dosimeter
The DRSB-01 is a simple Geiger Counter device that can be used to detect normal vs. dangerous levels of ionizing radiation (gamma and beta).
Victoreen CDV-700 6B Dosimeter Mod (Audio/BNC Connector)
The CDV700 dosimeter variant 6B (newer) and a few mods to improve functionality: audio connector and bnc connector.
Tube: SI14B Pancake Geiger Muller
A highly sensitive pancake geiger muller tube, the Russian CI14B/SI14B
Radex RD1706 dosimeter
A short review on the Radex RD1706 dosimeter, how good it is, and how can it be compared to other dosimeters, eg. the Terra-P MKS-05.
Homemade Flyback secondary -2-
Build your own indestructible flyback secondary
Marx generator
My first marx generator that gives 5cm sparks.
EDIT: >20cm sparks!!!
Terra-P Radiation dosimeter MKS-05
The terra-p Radiation dosimeter can be used to measure Gamma, Beta and X-rays.
High Frequency Solid State Tesla Coil (HF SSTC)
My first SSTC as a high frequency solid state tesla coil.
High Voltage Power supplies
An article on various high voltage sources. Includes schematics, construction details, high resolution images and videos.
Homemade Capacitor 19nF/10KV
How to make a high voltage capacitor in a few steps. See a video with my 19nF/10kV capacitor, with under 1$ cost.
Ultraviolet Light
Powering UV light tubes. A short comparison between UVA and UVC.
Homemade Flyback secondary
An easy way to built a high performance flyback transformer. Custom and perfect to fit your needs.
Tesla Coil #3
ZVS Powered tesla coil with a nice setup on two decks
Tesla Coil #2
Tesla Coild powered by a ZVS driven flyback
My first TEA Nitrogen laser
An attempt on building a TEA N2 Laser and an innovative idea for positioning the high voltage electrodes.
Tesla Coil #1
Here’s how I’ve built my first Tesla Coil for a few tens of thousands of volts.
ZVS Flyback Driver
My first ZVS high voltage driver. A lot of current, and a lot of hot plasma. Includes YouTube video.
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