You are providing almost no information.
What do you mean by a 300W input and output pair? Is the power level the
same for both? I see below that you referenced a Moto app notes so we
finally find out this is for SS.
Why would you want to deviate from their parts list? You havent even
mentioned a frequency yet.
Try and be a bit more free with info. Youre reminding me of my 21 year
old son whenever I ask a question....it takes forever to get the full
answer.
Carl
KM1H
----- Original Message -----
From: "Dan Sawyer" <dansawyer@earthlink.net>
Cc: "Amps" <Amps@contesting.com>
Sent: Saturday, March 28, 2009 10:27 PM
Subject: Re: [Amps] 'red' cores versus 43 cores
> Thanks to all of you for the replies. The first interest is to build
> and
> test a 300 watt input and output transformer pair.
>
> The reason I chose #43 to discuss was it was mentioned in at least one
> of the Motorola 2 to 30 MHz amplifier app notes. Should #61 be used
> for
> this purpose? Should the input and output use the same material?
>
> Dan kb0qil
>
>
> Dan Sawyer wrote:
>> Is there a straightforward practical or operational description of
>> the
>> difference between 'red' cores and 43 material. The magnetic
>> differences
>> are large. However, the 'red' cores are used in low power mixers and
>> the
>> 43 cores are used in rf power transformers for similar frequency
>> ranges.
>>
>> What would happen if a mixer were made from a 43 core?
>> What would happen is an output transformer were made from 'red'
>> cores?
>>
>> Thanks Dan kb0qil
>> _______________________________________________
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>>
>>
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