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The RadioShack 22-510 Switching Power Supply provides AC to DC conversion to mimic a car’s electrical system.

Getting hash from 22-510

My Radio Shack 22-510 power supply is generating hash in my receiver. Need solution.

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There's a mod on the inet that basically involves placing a 1 to 4 MFd low ESR capacitor between the DC(-) post and case ground. Also I added a ferrite choke to the (+) lead. No noticeable RF on any hf band, and it it very RF quiet here.

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Hi,

I would check the capacitors and any filters.

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Walter Stauffer will be eternally grateful.
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