[Elecraft] Enphase mini-inverter

[Jim Brown]

On 10/13/2011 3:16 PM, Leigh L. Klotz Jr WA5ZNU wrote:
> I have one of these and it does make a little noise; I'm planning to bypass
> it a bit.

Consider a common mode choke formed by winding turns of the cable 
carrying the noise through a #31 or #43 ferrite core.  Use only #31 
below 5 MHz.  Both work well above 5 MHz, #43 is slightly better above 
20 MHz.  See my RFI tutorial for more detailed advice.

73, Jim K9YC