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K1B80 Kit

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CN8YR

K1B80 Kit

Hello dear All,
I made a four bands K1 5 years ago, and ordered also at that time a K1B80
Kit but didn't assembl it.
I lost assembly instruction of that 80m kit.
Does anyone have a copy of that manual?

Many thanks.

Med CN8YR
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Don Wilhelm

Re: K1B80 Kit

Med,

The K1B80 kit cannot be used on the 4 band board, it is only for the 2
band board.

The K1 manual contains instructions for the 2 band board, and the chart
of capacitors and inductors to use for each band is on the page
following page 6 of the RF Board Parts List.

73,
Don W3FPR

On 10/21/2017 2:38 PM, CN8YR wrote:
> Hello dear All,
> I made a four bands K1 5 years ago, and ordered also at that time a K1B80
> Kit but didn't assembl it.
> I lost assembly instruction of that 80m kit.
> Does anyone have a copy of that manual?
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CN8YR

Re: K1B80 Kit

Thanks Don for info.

I didn't pay attention to this restriction at the time;

73, Med CN8YR

2017-10-21 19:53 GMT+01:00 Don Wilhelm <[hidden email]>:

> Med,
>
> The K1B80 kit cannot be used on the 4 band board, it is only for the 2
> band board.
>
> The K1 manual contains instructions for the 2 band board, and the chart of
> capacitors and inductors to use for each band is on the page following page
> 6 of the RF Board Parts List.
>
> 73,
> Don W3FPR
>
>
> On 10/21/2017 2:38 PM, CN8YR wrote:
>
>> Hello dear All,
>> I made a four bands K1 5 years ago, and ordered also at that time a K1B80
>> Kit but didn't assembl it.
>> I lost assembly instruction of that 80m kit.
>> Does anyone have a copy of that manual?
>>
>

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Don Wilhelm

Re: K1B80 Kit

I am sometimes asked if 80 meters can be added to the 4 band board, and
the answer is not without sacrificing two of the 4 bands - making it a 3
band board.

The low pass filters are shared for two bands each - that works for 40
and 30 meters, and also for 20 and either 17 or 15 meters.
But it will not work for 80 meters because the 2nd harmonic will be in
the 40 meter band vicinity and will not be suppressed.
Besides, it would require a lot of experimentation to get the Pre-mixer
and RF Bandpass filters at the correct frequency.

73,
Don W3FPR

On 10/21/2017 3:20 PM, CN8YR wrote:

> Thanks Don for info.
>
> I didn't pay attention to this restriction at the time;
>
> 73, Med CN8YR
>
>
> 2017-10-21 19:53 GMT+01:00 Don Wilhelm <[hidden email]>:
>
>> Med,
>>
>> The K1B80 kit cannot be used on the 4 band board, it is only for the 2
>> band board.
>>
>> The K1 manual contains instructions for the 2 band board, and the chart of
>> capacitors and inductors to use for each band is on the page following page
>> 6 of the RF Board Parts List.
>>
>> 73,
>> Don W3FPR
>>
>>
>> On 10/21/2017 2:38 PM, CN8YR wrote:
>>
>>> Hello dear All,
>>> I made a four bands K1 5 years ago, and ordered also at that time a K1B80
>>> Kit but didn't assembl it.
>>> I lost assembly instruction of that 80m kit.
>>> Does anyone have a copy of that manual?
>>>
>>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>