[Elecraft] K3 AM operation with "FM" roofing filter?

[Ken K3IU]

Wondering why you don't just install it, configure it, and try it?
73,
Ken K3IU

ab2tc wrote:
> Hi,
>
> I am still confused as to whether I can *receive* AM with the FM roofing
> filter with the *current* firmware. Can someone please give me an
> authoritative answer on this? I have just received the FM filter and the
> included note seems to imply that I have to wait for an firmware update. I
> am not asking whether I can get more than 3kHz audio BW on AM with but just
> simply if it will work?
>
> Knut - AB2TC
>
>
> wb8yqj wrote:
>   
>> So would operation without the AM filter be bad enough
>> to roughly approximate, say, a Heath DX100? Just about
>> the same as would suit me just fine but if not maybe I
>> need a wider filter? My guys are hard to please and I
>> know they're not going to be happy with the new rig's
>> weight already. ;-)
>>
>> =====
>>
>> I've not put this on the FAQ yet, but yes you can use
>> the FM filter for AM. But be advised it will degrade
>> performance some with reguard to selectivity. In
>> transmit, the DSP will work with the filter and
>> determine the TX BW.  The exact specs on this are not
>> yet available.
>>
>> 73
>> Greg
>> AB7R
>>
>>  
>>
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>
>