{Collins} Re: Colliins Mechanical Filters



That would normally be a 468 Khz filter with a BW of 300 Hz from the
nomenclature, but it is hard to tell what the note means. That would
indicate a BW of 2.2 Khz but only Lord knows whether it's been dropped or
how the measurements were made
Bill
----- Original Message ----- 
From: "Pat Barthelow" <aa6eg@xxxxxxxxxxx>
To: <COLLINS@xxxxxxxxxxxxx>
Sent: Friday, June 22, 2007 6:09 AM
Subject: {Collins} Colliins Mechanical Filters


> Folks:
>
> Does anyone have a source for information for specifications for Collins
> Mechanical Filters?
> I have accumulated a number of them, some originating from the Bill Orr,
> (W6SAI) estate, but need a key to the specifications based on the part
> number and serial number.  Here is an example:
>
> Type:  F 468 U 03
> Ser:   6730
> P/N: 526 9209 00
>
> Bill, (W6SAI)  Taped  to this filter a paper tag reading:
> 468.9
> 466.7
>
> I am guessing that is the upper an lower limits of the passband
> (Perhaps in this case an SSB filter.)  of the filter, but dont know...
>
> Sincerely, Pat Barthelow     aa6eg@xxxxxxxxxxx
> http://www.jamesburgdish.org
> Jamesburg Earth Station  Moon Bounce Team
>
>
> .
> SHARE THE FUN: JOIN THE COLLINS COLLECTORS ASSOCIATION TODAY !
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accepted-
> .
>  NETS: Tues & Thur: 3.805 MHz-2000 Central + Fri: 3.895 MHz-2000 Pacific
>   SUNDAYS: 14.263 MHz-2000 UTC  +  AM Net: 29.050 MHz-1200 Central
>        1st Wednesday AM Net 3.880 MHz-2000 local (ET, CT, MT, PT)
>

.
SHARE THE FUN: JOIN THE COLLINS COLLECTORS ASSOCIATION TODAY !
      http://www.collinsradio.org/html/membership.html    -paypal accepted-
.
 NETS: Tues & Thur: 3.805 MHz-2000 Central + Fri: 3.895 MHz-2000 Pacific
  SUNDAYS: 14.263 MHz-2000 UTC  +  AM Net: 29.050 MHz-1200 Central
       1st Wednesday AM Net 3.880 MHz-2000 local (ET, CT, MT, PT)





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