[RFI] EMI-Free Vehicle Inverters

[Jim Brown]

On 3/23/2020 12:36 PM, David Eckhardt wrote:
> How much power (watts) are you shopping for?  I presume you are going from
> a 12 vdc system to a 120 vac/60 Hz system?

And on what band(s) does it need to be quiet?  Page 13 of the link below 
details what we had to do to a GOOD unit to make it quiet enough to hear 
weak signals on a Hamstick 3 ft away. The little clamps with no winding 
(with ferrites, this counts as a single turn) are for VHF; those with 
multiple turns are for the HF bands we were using mobile -- 15,20, 40. 
Except for those single-turn clamps, all the ferrites are Fair-Rite #31.

http://k9yc.com/KillingReceiveNoise.pdf

BTW -- we were unable to kill noise from a bigger unit in the same 
product series of "pure sine-wave inverters."

73, Jim K9YC