[time-nuts] HP58504A antenna

WB6BNQ wb6bnq at cox.net
Mon Jul 21 20:45:59 EDT 2008


Hi Bruce,

I looked at that also.  Using OPERA browser I can zoom in really well and at 400 % you can just make out the trace under the coating and other stuff obscuring the view.

Bill....WB6BNQ


Bruce Griffiths wrote:

> Jose Manuel wrote:
> > Hello all,
> >
> > I´d like to repair a HP58504A antenna that don´t deliver any output signal. The current is about 30 mA ( I think too high), and the transistor (unknown type) and the MMIC (uPC2749TB), seems to be with correct voltage.
> >
> > Does anyone have any experience or data about this antenna?
> >
> > I took an inside photo: http://www.ea1px.es/HP58504A.jpg     Can the transistor be identified by the color code?
> >
> >
> >
> > Thanks in advance, José, EA1PX
> >
> Jose
>
> Its hard to be certain from the picture but is the to end (opposite end
> to that connected to the input transistor gate track) of the white
> ceramic cap connected to the antenna input or not?
> it should be.
>
> Bruce
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.





More information about the time-nuts mailing list