Topband: Re: filter

R. Kline rikik at
Sat Jul 19 07:40:59 EDT 2003

Thank you Lee.  I'm sure that many people on the reflector will appreciate
your comments.
Riki, 4X4NJ
----- Original Message -----
From: "Lee K7tjr" <k7tjr at>
To: <rikik at>
Sent: Friday, July 18, 2003 10:29 PM
Subject: filter

> Riki... One of the filters I have used in the past  was called a Cauer
> filter.. It is designed with highly linear rate of change of phase through
> the passband .. They really do not ring and they also let you decode FM
> transmissions without distortion (frequency is merely the rate of change
> phase) in FM receivers.. They have just slightly less filter slope and
> ultimate attenuation than most other designs so they are not too commonly
> used as they require one more stage to get the same ultimate attenuation..
> Regards  Lee K7TJR  Oregon

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