Topband: Balun Discussions

[Sinisa Hristov]

"i4jmy at iol.it" wrote:

> The problem of multiple resonances appears when an inductor becomes very long compared with its diameter and can be thought more as a combination of different inductors in series, rather than a single one.

Mauri, what you just described is exactly a transmission line :-)


> Seeing the choke as a transmission line because of this effect is stretching things far away, beyond reality.

No, it is just your beleif, just as it was mine.
But making a few sound measurements changes that easily.


> Coming back to the original topic, as per object:
> Under the resonance, inductive reactance rises continuously and the choke fully behaves as a parallel LC.

Sure, if "Under the resonance" is taken to mean "well below the first parallel resonance".


73,

Sinisa  YT1NT, VA3TTN