[time-nuts] HP58504A antenna
wb6bnq at cox.net
Mon Jul 21 20:45:59 EDT 2008
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.
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
> 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.
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