I'm not entirely sure, but I think my Orion has always been like you describe.
73,
Barry N1EU
On Fri, Oct 19, 2012 at 2:54 AM, Jeff (W4DD) <w4dd@arrl.net> wrote:
> Wondering if anyone has run across an Orion 1 with SWR that remains at 1.7,
> even running into a 50 Ohm dummy load. The problem appears to be on the CPU
> board, not on the filter board or IF board.
>
>
>
> In TUNE Mode (25W):
>
> V_Fwd = 1.2V
>
> V_Ref = .14V
>
>
>
> I can ground the V_Reflected line prior to going into the CPU board (assures
> ref power is zero) and the SWR remains at 1.7
>
>
>
> If I ground the V_Ref line at the A to D converter, the SWR goes to 1.0
>
>
>
> I've done a lot of checking and so far can't seem to determine where that
> .14V is coming from. Ideas appreciated.
>
>
>
>
>
> Thanks,
>
> Jeff W4DD
>
>
>
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