On 6/26/2014 9:46 PM, Sean Breheny wrote:
> Hi all,
>
> I have two RF DC blocks (capacitor with RF connectors pre-attached and
> assembled into a rugged, constant characteristic impedance unit). One is
> tiny and uses SMA connectors. The other is larger and uses N connectors.
> ...
> The strange thing is that the smaller one has a capacitance of about 200n=
F
> and the larger one is only 1.7nF.

Perhaps the voltage rating of the capacitor is what matters. It would=20
make sense that the SMA unit would typically handle lower powers.

ex:
(+53dBm) is 200W in a 50 ohm system is 100V amplitude
(+33dBm) is 2W is 10V


-
Martin K
--=20
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