[Orion] RFI from Orion mic input - bad info

[Ulrich Hilsinger]

Hi Duane,

just take 3 ferrites and let pass the microphone, speaker and keyer 
lines throug it (the easiest way is to use that kind of ferrites you can 
snap over the cable... I do not know the correct word in english, in DL 
we call it "Klappferrit"). I had the same problem as yours, but on 15m. 
Now, everything seems to be ok.
The problems I had before on one of my TS850s on 40m have been much 
worse (Synthesizer got locking errors and produced extreme wideband 
noise..), so I consider the "light show" as a minor problem. The doublet 
antenna is less than 10m away from my shack...

73,
Ulrich DH0GHU



Duane A Calvin schrieb:
> I wrote the other day that the Orion I used a few months ago had no RFI
> problem with a standard Heil ProSet with the Heil-made Ten-Tec adapter. 
> Well, I received my own Orion last night (yay!) and found that I must
> have a faulty memory (too much RF).  I was  chasing YA8G this evening on
> 20m CW,  unsuccessfully, and decided to switch on the Alpha.  Well, at
> only 500W out the lights on the front of the Orion were lighting up like
> a Christmas tree when the rig keyed.  I found that if I pulled the Heil's
> microphone connector (which also carries the footswitch connector), the
> RFI went away.  So it looks like I have some work to do on getting this
> straightened out.  My apologies for the brain f*rt.  
> 
> On the other hand, other than a slightly "tight" encoder on the PBT/BW
> knob, the rig is a real joy.  I'm still getting used to the controls
> again.
> 
>         73,  Duane
> 
> --------------------------------------
> Duane Calvin, AC5AA
> Austin, Texas
> 
> http://home.austin.rr.com/ac5aa
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