Author Archives: Claudio

AE EP#45 Strange Things On The 78XX – Part 2

Posted on May 24, 2013 by Claudio

Here is the continuation: Who would have thought that a fuse will be the culprit…? Here is the continuation: Who would have thought that a fuse will be the culprit…?

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AE EP#44 Simple Electronic Dummy Load

Posted on May 18, 2013 by Claudio

Several years ago Dave Jones posted a vid about a very simple current sink and I wasn’t too successful replicating it then on prototyping board and went on to make one a little different. lately I wanted to go back … Continue reading →

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AE EP#43 Strange Things on the 78XX

Posted on May 12, 2013 by Claudio

What started out as a simple build of a throw in power supply quickly turns into the mystery of the too-low-output-voltage. Watch the first part here: How will the circuit be analyzed? What will be the solution? Tune in next … Continue reading →

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AE shorts #4 & 5

Posted on May 5, 2013 by Claudio

First I discovered that you actually can use a steel nail as a drill :D And then I finally made me a new RCA phono jack for my amp: Have fun! see you then… First I discovered that you actually … Continue reading →

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AE EP#42 Selfmade PCBs – My Way

Posted on May 3, 2013 by Claudio

Finally I took matters to to an end and got me a new laminator since the one I had before was /way/ too big for my new flat. It has two heated drums which is important to have an even … Continue reading →

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AE EP#41 Poor Mans HV Probe

Posted on April 26, 2013 by Claudio

I was trying to repair my tek 2236 and was in need of measuring a -2kV line, only problem: my best Multimeter can only do 1000 V so I had to yank up 30 3k3 Ohm resistors in series to … Continue reading →

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AE EP#40 Not Quite An Insulation Transformer

Posted on April 20, 2013 by Claudio

So I put the old insulation transformers case to retirement and put it into this new space-saving case to fit my bench perfectly besides the old Heathkit VTVM. I can just repeat my warning: THIS IS NOT legally an insulation … Continue reading →

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AE EP#39 Sequencial Motor Controller Prototype

Posted on April 4, 2013 by Claudio

Finally it seems I made something actually useful :D This board is to control my fathers vinegar machine. I provides him with an easy to use interface to set a sequence of up to 4 motors to control vinegar and … Continue reading →

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Random Boxes of Crap Double Feature!

Posted on March 27, 2013 by Claudio

First we got a wooden box from my brother containing high powered passive filters, trafos and so on from his past as an high power audio enthusiast: And the some classic “i wasnt able to control myself buy-ins” have fun: … Continue reading →

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AE Shorts #3 Finally the new Bench

Posted on March 17, 2013 by Claudio

Just a little time lapse of the build up… Just a little time lapse of the build up…

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