Author Archives: Administrator

From few not working LG plasma TV I made one half working. Just for fun and to test plasma technology. So here is small review of plasma display panel or plasma TV from LG. Very old (21 years) Panasonic CRT … Continue reading →

In other post I mentioned, that my FM generator is too weak to jam radio stations. And I remembered, that I have quite powerful radio transmitter. 16P22B-1 (16Р22Ð’-1, 16R22V-1). It is 146 – 174 MHz FM radio station – transmitter. … Continue reading →

For small amount of money I acquired very old high frequency generator. It is very old, it is made in ~1960. But still working. I opened the case and discovered few radio tubes. Most interesting, that some of the tubes … Continue reading →

From local factory received some bad, not working, cable TV distribution, amplifying, filtering, coding and mixing modules. It take few photos of this devices. I think, these devices have too much connectors. Especially that smaller one. It is made only … Continue reading →

There are capacitors and there are very big capacitors. The last ones are with heavy duty terminal connectors for high current connections, and the capacity of them are quite big. Something like 47000mkf x 80V or 100000mkf (0.1F)x 16V. Such … Continue reading →

In old magazine (Radio – Радио) I found small article about calculating PWM power transformers. The formulas are for toroid core transformers, but I think, they are usable in standard E core transformers too. 1. Calculate the power of transformer: … Continue reading →

There are lots of antispyware – addware software. Some of them are free, some commercial and some contains addware and spyware… So every windows user must know few place in their system to check and remove malicious software. 1. Start … Continue reading →

In some model of LCD modules there is special film. The purpose of this plastic sheet is to distribute light. I think this plastic is embossed with some prism or other pattern like Fresnel lenses. Just look at the images: … Continue reading →

Gastroscope: A flexible, lighted instrument that is put through the mouth and down the esophagus to view the stomach. Tissue from the stomach can also be removed through the gastroscope. Cool toy for every man. 🙂 It is very old, … Continue reading →