[SBE] Question about an FM translator cavity filter --

[Clark, Roz (CXR-Tampa)]

FWIW this lead originally came from one of the Tampa Amateur Radio
Operators, KG4YZY (Dave Anderson). 

http://www.ni4ce.com/

He seems to have connections to unique problem solving items.  Our Tampa
SBE Chapter has learned a lot from these guys...

Roz



-----Original Message-----
From: sbe-bounces at sbe.org [mailto:sbe-bounces at sbe.org] On Behalf Of Bill
Whitt
Sent: Wednesday, June 04, 2008 3:00 PM
To: 'sbe member discussion mail list'
Subject: Re: [SBE] Question about an FM translator cavity filter --

I concur -- this site looks really cool. I was checking out the filters
,
and was quite impressed.

Bill Whitt

-----Original Message-----
From: sbe-bounces at sbe.org [mailto:sbe-bounces at sbe.org] On Behalf Of Mike
Langner
Sent: Wednesday, June 04, 2008 11:36 AM
To: sbe member discussion mail list
Subject: Re: [SBE] Question about an FM translator cavity filter --

Thanks !

I took a quick look -- looks like a great site with real "toolbox"
parts!!

Mike/
_______________


-----Original Message-----
From: sbe-bounces at sbe.org [mailto:sbe-bounces at sbe.org]On Behalf Of
Clark, Roz (CXR-Tampa)
Sent: Wednesday, June 04, 2008 11:56 AM
To: sbe member discussion mail list
Subject: Re: [SBE] Question about an FM translator cavity filter --


May want to try this company if you need a custom filter.

http://www.tinlee.com/index.php

A recent filter I got was able to notch out a signal 800khz away by over
60db with only around 1db of loss at desired frequency.  



-----Original Message-----
From: sbe-bounces at sbe.org [mailto:sbe-bounces at sbe.org] On Behalf Of Alan
Alsobrook
Sent: Tuesday, June 03, 2008 9:06 PM
To: sbe member discussion mail list
Subject: Re: [SBE] Question about an FM translator cavity filter --

I've used "Fast Traps" from MFC, on FM receive lines at the transmit 
tower they were able to make the FM signal originating from that tower 
simply disappear. I've swept a couple fast traps and I think it gives 
about a >75db reduction in signal.  I was using them to knock down my 
signal so I could receive distant LP (EAS) stations.


Mike Langner wrote:

> These are great ideas !

> 

> But. . .

> 

> While I could put a receiver somewhere else on the small electronic

site on

> the mountain, there's no way to get very far from the very short-tower

25 kW

> FM station just 1.2 MHz away!



-- 
Alan Alsobrook CSRE AMD CBNT
St. Augustine Fl. 32086 904-829-8885
aalso at Bellsouth.net
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