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Old 13th May 2019, 1:41 pm   #4
Boulevardier
Octode
 
Join Date: Sep 2017
Location: Bristol, UK.
Posts: 1,659
Default Re: Deriving 3v at 30mA from 5V Supply

Out of interest Dai, which transmitter have you got? I have one (bought in kit form), and it is plagued by 50c/s hum when running from any mains-sourced power supply. Just wondering if there are types out there that don't have this problem...
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