[Elecraft] Filter setting

[Joe Subich, W4TV]

 > When I switch to the data mode, however, the lowest center frequency I
 > can obtain is 1.1 kHz.

Which data sub-mode?  In DATA A, although I do not have a 1 KHz IF
filter, I can run the center frequency all the way down to 400 Hz if
I want (not that a center frequency that low is particularly useful).

73,

    ... Joe, W4TV


On 8/25/2016 2:30 PM, Chris Kimball wrote:
> I'm having confusion about setting the receive filters.
>
> I'd like to have a 1 kHz wide filter at 1 kHz, that is, with a passband from
> 500 to 1500 Hz. My rig has a 1 kHz wide roofing filter.  In CW mode I can
> manipulate the bandwidth/center frequency controls so that the bandwidth is
> 1000 Hz and the center frequency is 1000 Hz, and the roofing filter is 1000
> Hz.  When I switch to the data mode, however, the lowest center frequency I
> can obtain is 1.1 kHz.  The roofing filter is still 1000 Hz.  Even when I
> reduce the bandwidth, I can't push it lower.
>
> Must be something obvious!
>
>
>
>
>
> --
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