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Old 6th July 2010, 09:16 PM   #11
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Quote:
Originally Posted by phrarod View Post
I have not tried that but would love to try those sniffers. Are they expensive?
It's just an antenna -- here's one example -- see also AN-118 at Linear Tech http://cds.linear.com/docs/Applicati...te/an118fa.pdf
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Last edited by jackinnj; 6th July 2010 at 09:26 PM.
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Old 6th July 2010, 10:07 PM   #12
phrarod is offline phrarod  United States
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Very cool. I'll look into it.
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Old 6th July 2010, 10:34 PM   #13
infinia is offline infinia  United States
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Hi jackinnj
Good link! hadn't seen that yet ...ole JW & BC are my hero's
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Old 10th July 2010, 12:22 AM   #14
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One thing which I like about the mu shield company is they suggest "try something cheaper first" -- even a dog-food can (or tomato paste!) will work.
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Old 10th July 2010, 02:16 AM   #15
phrarod is offline phrarod  United States
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I tried many things but the cans were the only solution in this application.
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Old 10th July 2010, 03:20 AM   #16
benb is offline benb  United States
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Not cans so it's probably not what you want, but there are sheets here at the "ultraperm" entries:
Rare and Esoteric-The Electronic Goldmine
Maybe the 100 sheets would be enough...

And yes, the "something cheaper" might be several/many steel cans, fitting together like Russian dolls, like in this shielding box shown here:
Mu-metal - Wikipedia, the free encyclopedia
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Old 10th July 2010, 06:02 AM   #17
phrarod is offline phrarod  United States
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Thanks! I'll check all of it out.
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Old 10th July 2010, 09:10 AM   #18
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Quote:
Originally Posted by tinitus View Post
only mu-metal I have ever seen
see : Burklin.com, pag H121.260
They used to carry up to 4.3" diameter x 2.5" height cans, but at $150 each there's not enough demand for that stuff anymore.
I sometimes find large MU cans at NOS places, entertaining part is that 2 out of 3 the vendors are unaware of the intended purpose and/or the original pricing.
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Old 10th July 2010, 12:36 PM   #19
phrarod is offline phrarod  United States
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Thanks for the tip. But at that price I can get some nice ones with transformers in them from Audio Note. I'll try for surplus places. Haven't thought of that.

Last edited by phrarod; 10th July 2010 at 12:54 PM.
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Old 10th July 2010, 12:52 PM   #20
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Quote:
Originally Posted by phrarod View Post
But at that price
Most are unaware how costly MU cans are.
Not that expensive considering the wall thickness though.
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