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Old 3rd Dec 2021, 4:11 pm   #8
Radio Wrangler
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Location: Fife, Scotland, UK.
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Default Re: Practical Electronics. Battery Valve Radio Power Supply.

Quote:
Originally Posted by Electronpusher0 View Post
so the switching frequency must be between 50 and a few hundred hertz.
That's not a bad choice for the job. Most modern switcher designs with ferrite transformers would likely be switching within the long/medium wave bands, or have fat harmonics in them, creating hell.

David
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