[Elecraft] Tuners and spurious responses

[Bob Nielsen, N7XY]

DLW Associates makes a filter which has 40 dB rejection across the 
entire broadcast band.  It is available from DX Engineering.

On 12/22/18 7:20 PM, Al Lorona wrote:
>   No, not a null, but a rolloff. When I quoted -40 dB I didn't mean a notch at one frequency, but the stopband level reached by the time you get well into the broadcast band. So that would be -40 dB on all AM stations below a certain frequency.
> The K3 is a good receiver, but every receiver has its limits and certainly the K3 will suffer once an interfering signal gets above a certain level.
> A trap or stub would work, but my point was that it would be unnecessary if using a link-coupled tuner. Attenuating a 50 kW station by 40 dB makes it  sound like a 5 W station.
> Al  W6LX
>
>
>     
>>>> That said, is suppose it IS possible that a tuner/antenna combination
>>>> just happened to have a deep null right on the frequency of a nearby
>>>> broadcast station
>
>
>    
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to n7xy at n7xy.net