Author Archives: Ivan Dachev

Bedini Medical Machine – Zapper

Bedini Medical Machine – Zapper

Here you will find our development of Jhon Bedini medical machine, also known as Zapper. It can help to the human body to fight against most of the viruses and parasites, that are cause of most illnesses.

Gallery

 

Schematics

Bedini Medical Machine
Bedini Medical Machine
( as PDF)
( Jhon Bedini Original Drawing)

 

Bedini Medical Machine PCB
Bedini Medical Machine PCB
( as PDF)
( as LAY)

Descriprion

Still experimenting and verifying if that device is actually working.

More Info

Bipolar Power Transistor Tester h21E

Bipolar Power Transistor Tester h21E

Here you will find our development for a bipolar power transistor tester. It measures the short-circuit forward current ratio (Iout/Iin @Vout=0) commonly known as h21E. Gallery   Schematics   Descriprion Commonly in everyday practice we need to use two or more bipolar power transistors in parallel, in a push-pull schematic. In order for the transistors… Continue Reading

Pure Sine Wave Power Inverter 3000W

Pure Sine Wave Power Inverter 3000W

Here you will find our home made pure sine wave power inverter based on SPWM EG8010. It converts 48V to 220V with 3000 watts output. Gallery   Schematics     Description We are using SPWM EG8010 as driver board that can be ordered from here: Driver board EGS002 including EG8010, IR2110 and LCD from eBay Search for… Continue Reading

SDR-1000 Description

SDR-1000 Description

During 2008-2009 we constructеd our own version of SDR-1000 transceiver based on information in internet, it uses DDS AD9854 from Analog Devices. Gallery   Description This project was very successful and the sound quality of the receive/transmit is incredible. This is a software radio, so to be able to function correctly you will need a… Continue Reading

V-Star Antenna

V-Star Antenna

Here you will find information about our V-Star antenna from 1MHz to 32MHz. It is constructed from design instructions by Karl Rothammel. Gallery   Description The antenna we use in our station is the so-called V-Star. Which theoretically is published in the antennas manual by Karl Rothammel. After long experiments we found that this is… Continue Reading

Antenna Tuning Device

Antenna Tuning Device

Here you will find information about our antenna tuning device. It is made ​​to be able to adjust a V-Star antenna for frequencies from 1MHz-32MHz. Schematics Galery Description For antenna tuning we experimented with all kinds of publications so far in literature and Internet websites. We tried symmetrical tuning devices for an antenna with a symmetrical… Continue Reading