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WWV receiver
Hello Joel,
I think that Coilcraft, API-Delavan, Pulse, etc. would be surprised to hear them. Although I'd grant you that you don't typically find many air coils in mass-market consumer electronics anymore, they're still used all over the place in industrial and military design... where I work we buy tens of thousands of the things every year for radio receivers! To imitate an old Volkswagen ad: Air doesn't saturate. Well, I guess it does at some point but that's way past where ferrites and iron powders do. Today many inductors in receivers are designed around iron powder cores but when it comes to heavy-duty stuff air cores are the ticket. Same for really high-Q tuning circuits. Regards, Joerg http://www.analogconsultants.com |
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