Amps
[Top] [All Lists]

[AMPS] Q: RF chokes and ferrite beads ???

To: <amps@contesting.com>
Subject: [AMPS] Q: RF chokes and ferrite beads ???
From: km1h@juno.com (km1h@juno.com)
Date: Fri, 30 Oct 1998 02:41:23 -0500

On Thu, 29 Oct 1998 10:43:32 -0800 Rich Measures <measures@vc.net>
writes:
>
>>
>> Thanks for the info on why not to use ferrites for plate chokes. 
>>I've found an inexpensive source($.65 each) of FB43-1020's(1 1/8" x 
>1"
>>x 1/2") that I've been playing around with as baluns.  
>
>Just for fun, try taking a look at what the Manufacturer (not the 
>distributor) gives as the max freq. rating for this material in 
>transformer service.  


However other Fairite mixes such as the -61 and -63 can work quite well
at HF once the limits are understood.
A  R61-50-400 ( old Radiokit part # but I have several hundred available)
can be the core...pun intended...for a  5KW CCS 2-30MHz plate choke.

73   Carl   KM1H


___________________________________________________________________
You don't need to buy Internet access to use free Internet e-mail.
Get completely free e-mail from Juno at http://www.juno.com/getjuno.html
or call Juno at (800) 654-JUNO [654-5866]

--
FAQ on WWW:               http://www.contesting.com/ampfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>