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Iron Pumpkin(s) and other smaller vegetable animals
Iron Pumpkin(s) and other smaller vegetable animals
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Old 9th March 2019, 09:31 PM   #201
Zen Mod is offline Zen Mod  Serbia
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Iron Pumpkin(s) and other smaller vegetable animals
Quote:
Originally Posted by Zen Mod View Post


I believe this pic is more illustrative :

Click the image to open in full size.
amusing fact :

this piece - fully balanced/differential Iron Turtle AVC - from bare pcb to fully assembled unit - no more no less than 24 working hours**

of course bobbins pre-wound by my (crazy ) guy

**am I just slow or I'm also old ....... that's 0.2mm enameled wire , 100 ends , of which 8 are single/solo strand , rest are double strand
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Old 9th March 2019, 10:01 PM   #202
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Iron Pumpkin(s) and other smaller vegetable animals
Ok ZM will move the donuts to the front ,do you have a preference for shielding.

Steve.
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Old 9th March 2019, 10:06 PM   #203
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ham can ?



if nothing else , it'll do (taking care to not make short circuit with mounting method)........ though - if donuts are nicely made , you're good even without screening

I did use , this time , same thing which boyz in Donut production are using for magnetic screening - I believe it's same strip of which cores are wound

made two turns then rolled it with Tesa cloth tape , to look faaaaancy

Click the image to open in full size.
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Old 9th March 2019, 10:14 PM   #204
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Originally Posted by wtl View Post
ZM, I have made a start on my Pumpkin (At Last).
Many Thanks.
Steve

Progress Pic.
I believe best thing is if I open new , Tips 'n' tricks thread ..... starting with last , actual , set of schematics

so , writing few general notes , pointing on few important steps , all in all - making life easier to few Greedy Boyz messing with Iron Pumpkins ....

most probably tomorrow evening
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Old 9th March 2019, 10:48 PM   #205
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Thank's ZM,
I need all the help i can get!!!

Steve.
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Old 15th March 2019, 10:43 AM   #206
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Quote:
Originally Posted by Zen Mod View Post

IP SE is having settable gain of 0, +2, +4, +6, +8db
[...]
How do I choose gain on IP SE?
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Old 15th March 2019, 11:48 AM   #207
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ok , will start that tutorial tonight

gain is settable on Iron Turtle , jumpers
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Old 15th March 2019, 02:33 PM   #208
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No Turtle
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Old 15th March 2019, 02:42 PM   #209
Zen Mod is offline Zen Mod  Serbia
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No Turtle
Sorry , my bad that it was confusing somewhat .... both entire package and electronic part being called/named Iron Pumpkin , while AVC module having own name , and pcbs not having separate name

mono (single channel) pcbs are , logically , containing (relay based) input selector , buffer (or two buffers for balanced iteration) , and shunt regs for buffer(s)

so , no possible gain there

however , module organization is clearly explained more than once , especially in first posts of this very thread

of course , you can add autoformer of choice at output , thus gaining some .... gain
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Old 15th March 2019, 03:01 PM   #210
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OK
IP SE, without Turtle, will be perfect for my M2. Eager to se your tutorial.
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