Topband: Slightly OT - amplifier noise

Nick Hall-Patch nhp at ieee.org
Fri Mar 20 21:17:21 EDT 2020


See 
http://www.hard-core-dx.com/nordicdx/antenna/special/mfj1026.html 
Jeff; it was a mod.


Nick
VE7DXR

At 17:59 2020-03-20, Jeff wrote:

>I thought the 1026 included the BC band, or was that a mod ?
>
>Jeff Reynolds
>
>Mike Waters wrote:
>>Mike,
>>
>>I based that on what W8JI states on his webpage, which says 1.8 to 20 MHz.
>>https://www.w8ji.com/mfj-1025_1026.htm
>>
>>IIRC, Tom designed that for MFJ.  Maybe that was a typo (on either Tom's
>>site or in MFJ's manual). Or perhaps the performance drops off to some
>>degree above 20 MHz. I don't know.
>>
>>73, Mike
>>W0BTU
>>
>>On Wed, Mar 18, 2020, 10:24 AM Michael Tope <W4EF at dellroy.com> wrote:
>>
>>>Hi Mike,
>>>
>>>I was trying to address the particulars of N2IC's situation which
>>>involved the higher HF bands (although at this point in the sunspot
>>>cycle, perhaps I should have included 20 meters).
>>>
>>>Reading the manual I have for the MFJ-1026 says "The MFJ-1026 is
>>>optimized over the range of 1.8 to 30 MHz". Does the MFJ-1025 only go to
>>>20MHz?
>>>
>>>73, Mike W4EF........
>>>
>>>
>>>On 3/17/2020 10:31 AM, Mike Waters wrote:
>>>>Mike, is there any reason why you tested it above 20 MHz? That's outside
>>>>the 1026's specified frequency range.
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>
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Nick Hall-Patch
Victoria, BC
Canada 



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