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Re: For Conor: Here Endeth the Last Lesson

Von: Chris Street (ng@chris-street.demon.co.uk) [Profil]
Datum: 11.10.2009 18:40
Message-ID: <8WnAm.37858$cD3.15365@newsfe05.ams2>
Newsgroup: uk.radio.amateur
Yeti wrote:
> Paul Starship wrote:
>> On Sun, 11 Oct 2009 14:32:07 +0000 (UTC), "Mr. Benn"
>> <%%@invalid.invalid> wrote:
>>
>>> What frequencies do you use the dummy load for?  I ask because some
>>> resistors have quite a lot of inductance and would make the load look
>>> reactive.
>>
>> my own one (twenty 1k 2watt resistors spaced ) was good upto about 160
>> MHz and the would rise up quickly.
>>
>> It was certainly acceptable under 30MHz.
>>
>
> Didn't build mine - but it's good for 50W up to 8GHz, apparently. Never
> tried it!

Hmm what sort of connectors... I can see something like an N-type acting
like a waveguide or similarly odd phenonmena at that sort of frequency!

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