>
To: <amps@contesting.com>
>> Date: Wed, 10 Jun 1998 05:45:24 +0000
>> From: Scott Townley <nx7u@primenet.com>
>> Subject: [AMPS] pi vs. t tuned input
>> To: amps@contesting.com
>
>>
>> About tuned input sections for amplifiers:
>>.......
>> Should I "roll my own" on
>> powdered iron toroids?
>
>Yes, it is virtually impossible to saturate powdered iron
Agreed
>
> or ferrites because they overheat long before saturation occurs.
I have managed to saturate ferrite cores without causing them to
overheat. How do I know the core was saturating? I could see the
harmonic distortion on an oscilloscope, and. dozens of UHF TV signals
were being wiped out by a 7MHz-fundamental signal.
. For tuned inputs, powdered-iron slug tuned cores seem to work well.
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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