On Tue, 05 Apr 2005 21:55:35 -0500, Cecil Moore
wrote:

Hal Rosser wrote:
Do you just use some tape once you unzip the length you need - to keep it
from self-zipping from the tension?

Just tie a knot at that point.

Isn't that a differential-mode choke?

Wes Stewart wrote:
On Tue, 05 Apr 2005 21:55:35 -0500, Cecil Moore
wrote:

Hal Rosser wrote:
Do you just use some tape once you unzip the length you need - to keep it
from self-zipping from the tension?

Just tie a knot at that point.

Isn't that a differential-mode choke?


You can make a very good HF common-mode choke by deliberately resonating
the inductance of a coil of coax with its self-capacitance... so it
seems to follow that a resonant UHF common-mode choke can be made by
tying the coax into exactly the right knot.

Don't know if it's of any practical use, but it isn't a completely April
Fool idea.


--
73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.co.uk/g3sek