Re: KX3 RX IQ output question

Posted by wayne burdick on May 23, 2011; 4:42pm
URL: http://elecraft.85.s1.nabble.com/KX3-RX-IQ-output-question-tp6389769p6395224.html

It will actually be significantly more than +/- 20 kHz. But the final  
spec is TBD.

The +/- 10 kHz limitation on dual watch is due to the DSP, not the  
QSD. (The new DSP in the KX3 has plenty of horsepower for all planned  
KX3 features, but it is not a fire-breathing monster. We have to keep  
receive current drain low.)

73,
Wayne
N6KR

On May 23, 2011, at 9:34 AM, Bill W4ZV wrote:

>
> Bruce Beford-2 wrote:
>>
>> Wayne, I know you don't have anything to do but answer  
>> questions... ;-)
>>
>> I didn't get a chance to ask this last night during the KX3 webcast:
>>
>> What will be the usable bandwidth of the RX IQ output? Since the dual
>> watch
>> capability is described as +/- 10 KHz, I am wondering if this is  
>> the total
>> BW at this output jack. Also, will this be tapped off before the  
>> optional
>> roofing filter module?
>>
>
> I noticed KE9V's summary said it was 40 kHz (+/- 20 kHz).  Since he  
> was
> there perhaps he heard this from someone at Elecraft's booth:
>
> http://ke9v.net/
>
> (Until we hear from the horse's mouth!)
>
> 73,  Bill
>
>
> --
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