EMRFD Message Archive 1857
Message Date From Subject 1857 2008-08-03 21:44:57 Alan Melia Fw: [emrfd] Digest Number 589 > Hi Joop, I can not recall the actual article but I do remember seeing itin
> RF Design (I think) in the 1980s or early 1990 (before they stopped freeand
> issues to Europe) The article is about the use of coaxial cavity notches
> I think a circulator was used to isolate the off resonance mismatch. TheA
> result, I believe, was a sharpened notch and less out-of-band attenuation.
> search under "circulator" and "notch" in the archive of that journal may
> produce results.
> I may still have the article in a carton deep in my "archive" ( read
> Cheers de Alan G3NYK
> ----- Original Message -----
1858 2008-08-04 01:32:38 sm5glc Re: Fw: [emrfd] Digest Number 589 I bet you are refering to the article: "An Absortive Notch Filter" by
Peter Vizmuller in RF Design, July 1988
This article was reprinted in the book "Filter Handbook Vol 1
Applications" by Editor Gary Breed.
No ISBN sorry...