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Old 30th July 2005, 07:56 AM   #91
Tom2 is offline Tom2  United States
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Quote:
Circlomanen said,
mrothacher: You could not get both current and voltage gain from your original zirclotron because of no groundreference
I disagree.

The original zirclotron seems to have a voltage gain of
approximately one. It also has current gain.

Tom
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Old 30th July 2005, 04:42 PM   #92
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Circlomanen, Tom2:

I'd originally contemplated a full article on the Zirclotron, but I always figured that a power buffer wouldn't be of much interest.

You guys are clearly much more knowledgeable on this subject.

I'd love to see a suitably simple zen circlotron.

Perhaps Nelson would provide some guidance for a colaboration. I have a decent prototype shop and good test equipment. I'd be willing to provide the elbow grease.

I've also tried to work out a full-bridge Zen with all N mosfets, but my one year of electonics school fizzles out quickly.

I'm a heck of computer / web programmer, tho. I'm also a decent technical writer/editor, and all around lacky. What do you say Nelson? Anything I could do for you in exchange for a few tidbits?

Sincerely,

Mike /Autograph hound - finally got NP's at CES.
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Old 30th July 2005, 05:20 PM   #93
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Circlomanen:

It occurs to me that a power transformer could be used in your original circuit, ala ZV7... Could it not?

Thanks

Mike
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Old 31st July 2005, 07:46 AM   #94
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Quote:
It occurs to me that a power transformer could be used in your original circuit, ala ZV7... Could it not?
Yes, probably.
For me it was cheaper winding my own chokes, so I have never given it any serious thought.
Quote:
The original zirclotron seems to have a voltage gain of
approximately one. It also has current gain.
True, but Its difficult to get more voltage gain than one without dual grounds, or some other way to stop the 100% local feedback you get through the powersupplies.(in the Zenitron its one of the things that the chokes are doing)
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Old 25th July 2008, 02:03 AM   #95
lineup is offline lineup  Sweden
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Click the image to open in full size.

Quote:
Originally posted by Circlomanen
Here is a picture of my centertapped choke I made last night. It weights 17,5 kg.
2 x 170 mH, 0,6 ohm DC-resistance.
It should be good for about 400 watt output power.
cool . fantastic . jumbo . enormous

>>>>> 17.5 kg <<<<<

You still use this choke, Circlomanen?
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Old 20th September 2008, 06:07 PM   #96
Tyimo is offline Tyimo  Hungary
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Hi!
Circlomanen, are you still alive??

What about this basic Circlotron?


Greets:

Tyimo
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Old 7th October 2008, 01:38 PM   #97
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Quote:
Circlomanen, are you still alive??
Yes!
But i dont have the time to build circlotrons at the moment.
I want to build a small Zenitron, to use as my computer-amp.
Two IRF530 for each channel. 600 mA running through them.
Just 10 - 15 watts or so. Dual supplies with 15 volts.


Johannes.
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