[AMPS] TL-922 Filament Transformer Protection

[Rich Measures]

>Rich says;
>
>>Whether L-sup was wound on top of or beside R-sup, the L and the R H-fields
>>would have been at  the needed right-angle to each other.   
>
>Huh? please explain. What does this mean?
>
€  A vhf suppressor partly de-Qs the anode-resonance by stagger-tuning 
it.  This is accomplished by having two current paths of differing L,  by 
aiming the two electromagnetic fields 90-degrees apart, and by causing 
roughly equal vhf current to flow in R-sup and L-sup.  Naturally the 
differing L requirement depends on there being a substantial lack of 
inductance in R-sup.   According to N7WS, the resistors we use in our low 
vhf-Q suppressor retrofit kits have approx 11nH of intrinsic L.  
>
-  cheers, Peter


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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