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Old 10th Oct 2019, 11:37 pm   #4
Terry_VK5TM
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Join Date: Oct 2010
Location: Tintinara, South Australia, Australia
Posts: 1,016
Default Re: Wide band RF amp

Assuming the MMIC inside the can is as stated on the label, there won't be a voltage reg inside the can.

The SPF5189Z is rated to run directly off 5V.

It definitely sounds like some kind of fault.

Once you get the replacement, I would remove the can and see if you can find anything faulty inside (assuming you don't have to return the faulty one).
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