[time-nuts] HP58504A antenna

Bruce Griffiths bruce.griffiths at xtra.co.nz
Mon Jul 21 20:32:59 EDT 2008


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



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