Right ICE numbers

Scott Ellington sdelling at facstaff.wisc.edu
Fri Nov 8 08:33:50 EST 1996

>ICE filter for 40m with generous Q=200 will attenute  >30dB on 80m,
> >20dB on 20m, >30dB on 15m ultimately approaching -50dB on VHF giving
>a GOOD TVI protection.

Modelling won't accurately predict VHF attenuation of this kind of
filter unless you have included the correct values for parasitic 
inductances.  The most significant ones are the inductances of the
capacitor leads.

Scott  K9MA
sdelling at facstaff.wisc.edu

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