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Old 8th November 2012, 08:15 PM   #2691
generg is offline generg  Germany
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some news....


my gremlins worked again.....

I had the upper secondary winding on one Jensen not on the place 5 and 7 but on the lower place 6 and 8.

the other Jensen was correct....

and because I had some oscillation last days I checked the offset and AC output

and again in a rhythm of 12 sec one blue LED on the wrong channel was flickering and there was a high, very short AC peak of over 20V....

yes, I am mad it cannot be.....


I dare to say again... maybe this circuit reacts very quick on small differences between the two channels...

I have still the 1000uF, and of course reason for the instability is always a fault of mine, but so small faults....... Gremlins come on...

forgot.... after correcting the place all osci was gone...!
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Last edited by generg; 8th November 2012 at 08:28 PM.
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Old 8th November 2012, 08:19 PM   #2692
generg is offline generg  Germany
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and ...

why is the R2 in the buffered version 18R and in the unbuffered version 22R....
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Old 8th November 2012, 08:23 PM   #2693
Zen Mod is offline Zen Mod  Serbia
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maybe because unbuff version was tried earlier than buffered ........ and Pa in that moment had 22R laying on the bench

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Old 8th November 2012, 08:28 PM   #2694
generg is offline generg  Germany
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sounds good.......
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Old 8th November 2012, 08:34 PM   #2695
Zen Mod is offline Zen Mod  Serbia
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did you found your fave xformer yet ?

you can combine them - put two different ones in parallel , taking care of polarities

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Old 8th November 2012, 08:36 PM   #2696
generg is offline generg  Germany
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yes I found my favorite xformer......!

playing around simply....
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Old 8th November 2012, 08:45 PM   #2697
Botte is offline Botte  United States
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and the winner is?
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Old 8th November 2012, 08:48 PM   #2698
Zen Mod is offline Zen Mod  Serbia
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Generg , who else .......

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Old 9th November 2012, 08:09 AM   #2699
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nelson, when should we plebs hope to see the F6 article ? Will it be on the FW site or in one of the mags ?
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Old 9th November 2012, 08:15 AM   #2700
generg is offline generg  Germany
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Yes, because of the long waiting I thought Nelson might wait till some F6 are produced at FW...And maybe he is alone in the production team. Son and nephew away, hope he found someone else...
Isnt it incredible that he is giving away for us all details of his probably commercial product for free........!?!!
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