Category Archives: Electronics

Old small solar panel project added

I found a little time to put together the pictures, measurements and results of a solar panel I built from broken solar cells for sale on ebay. Not exactly a breakthrough in solar panel development, but more an eye opener … Continue reading

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100 Watt 6P45S amplifier update #2

The latest update to the 100 Watt 6P45S tube amplifier is about a lot of testing and fault finding have gone into the tube amplifier to correct noise and hum issues. It is now in a state where the audio amplifier itself … Continue reading

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100 Watt 6P45S amplifier update

The latest update to the 100 Watt 6P45S tube amplifier is about the new printed circuit boards, installation in the enclosure and a simple signal generator test.

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Another LCD TV repair

I repaired a Sodium LWD400-SI 40″ LCD TV, another case of defective capXcon capacitors that was sitting in a too hot power supply. http://kaizerpowerelectronics.dk/general-electronics/sodium-40-lcd-tv-repair/

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uRADMonitor live from Odense, Denmark

uRADMonitor is a network connected monitoring station, focused on continuous Environmental Radiation Surveillance. This capability is delivered by a digital dosimeter constructed around the highly sensitive Geiger Muller tube SBM20U. This is a uRADMonitor that I have installed outside of … Continue reading

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100 Watt output from 6P45S tube amplifier

The latest update to the 100 Watt 6P45S tube amplifier is the measurements of frequency response from square waves and bandwidth measurements. The prototype is now considered done as it has proved itself capable of outputting 210 Watt peak before … Continue reading

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6P45S tube amplifier prototype

I have completed building and initial testing of a new tube amplifier prototype using the Russian 6P45S tubes in the output stage. This prototype will be used for testing, tweaking and a way to perfect the amplifier before building the … Continue reading

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Royer induction heater – first test

This is the first test run of a royer induction heater running at 650 Watt, there is heavy voltage sag on the DC supply. The heated bolt is a M10x20mm. More to come when improvements are carried out. Read the … Continue reading

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Another TV lives again!

I received a broken 27″ LCD TV and repaired it. Read the whole article in order to see how it was done and how cheap it was done. http://kaizerpowerelectronics.dk/general-electronics/27-lcd-tv-repair/

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2x 30 Watt EL34 tube amplifier done

After about 2½ years, the amplifier now is connected to the destined Isophon BS35 speaker set and fulfil my dreams of beig able to listen to the real tube sound. Read it all here: http://kaizerpowerelectronics.dk/audio/2x30w-el34-tube-amplifier/

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