[Amps] ALPHA 77

2 2@vc.net
Mon, 5 Aug 2002 16:46:46 -0700


>
>
>> >This "clean" isn't limited to the IMD
>> >performance of the amp.
>> Harmonics/spurs
>> >are also reduced by this
>> slight antenna
>> >overloading, usually by 5-15dbm.
>> >Paul
>> >
>> **  Heavier loading means
>> less load-C.  Are you saying
>> that less load C
>> shunting the output reduces harmonics?
>
>Yes, this is what I observe on my
>analyzer.  Lighter loading runs up IG
>and doesn't have much effect on the
>harmonics or spurs.

So a few % heavier loading has no noticable effect on harmonics. 

tnx, Paul

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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