[RFI] RFI into Battery monitor

[Mike NA6MB]

I think I removed the last of the RFI from my station DC (voltage and 
current) monitor system...
I added:
1) one clip on toroid to the current sense, voltage sense and ground 
wire bundle - 2 turns fit in the core.
2) a ring toroid to the power cord of my transceiver (removed the 3 clip 
on toroids) - 3 turns fit in the ring.

Mike
NA6MB



On 5/4/2018 11:51 AM, David Eckhardt wrote:
> Suggest treating every conductor that enters or leaves your charger 
> with a large and appropriate core of ferrite material.  Choose the 
> ferrite for frequencies in the lower HF spectrum.  75 material would 
> be a good choice.  Take several turns through each core.
>
> Dave - WØLEV
>
> On Fri, May 4, 2018 at 2:41 AM, NA6MB Mike <na6mb.mike at gmail.com 
> <mailto:na6mb.mike at gmail.com>> wrote:
>
>     I don’t have much RFI in my shack and it seems like everything is
>     working pretty well.
>
>     The one thing I have left to fix is that my DC power system which
>     has a power supply that charges the backup battery, the battery
>     powers radios and other stuff and has a monitoring system with a
>     high current shunt and a volt meter.
>
>     When I transit on 40 and 80 something gets into the battery
>     monitor and it goes crazy, flashes the display, etc. When I stop
>     the transmission it goes back to normal so it’s not damaging the
>     voltmeter.
>
>     What I want to do is to bypass or filter or someway get rid of the
>     RFI that’s getting into the current reading shunt and or voltmeter
>     of my battery monitoring system.
>
>     If you have you any insight I would appreciate it.
>
>     Thank you,
>     Mike
>     NA6MB
>
>
>     Sent from my iPad
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>
>
>
> -- 
> *Dave - WØLEV
> *
> */Just Let Darwin Work/*

-- 
Thanks,
Mike
NA6MB