[ForSale-Swap] Help with Clevite and Murata ceramic filter ID's

[Carl]

I spent almost an hour on Google looking for info and came up empty 
before posting here.

Thanks for the URL

Carl
KM1H


----- Original Message ----- 
From: "Al Gulseth" <wb5jnc at gulseth.net>
To: "Carl" <km1h at jeremy.mv.com>; <forsale-swap at mailman.qth.net>
Sent: Tuesday, December 23, 2008 7:01 PM
Subject: Re: [ForSale-Swap] Help with Clevite and Murata ceramic filter 
ID's


> 1. Plug each part number into Google (or your preferred search engine) 
> and see
> what comes up. Might take a little wading through though....
>
> 2. Take a look at this website - it might shed some light on the 
> Murata items.
> For example,
>
> Bandwidths Murata:
>
> A= 35 kHz     E= 15 kHz  CFW455HT = CFW455H, however slightly steeper
> B= 30 kHz     F= 12 kHz
> C= 25 kHz     G=  8 kHz
> D= 20 kHz     H=  6 kHz
>              I=  4 kHz
>
> http://www.xs4all.nl/~barendh/Cateng/Cateng_x-filter.htm
>
> 73, Al
>
> On Tuesday 23 December 2008 16:08, Carl wrote:
>> I have several filters that Ive been unable to locate the specs, Any
>> help will be appreciated.
>>
>> Clevite    TCF4-8020A, TCF6-30D55A-1, TCF6-12F36A-B, TL 4009-72A, TL
>> 3209-57A
>>
>> Murata    CFM-455H, CFM-455O, CFR-455G, CFS-455G, SFW-10.7MA
>>
>> About the only thing I can be sure of is the Murata frequencies.
>>
>> Carl
>> KM1H
>>
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