Does anyone have Elecraft published plots of the narrow CW DSP filters,
To the best of my knowledge, Elecraft have never published "curves" of the DSP response since the DSP is so dynamic. However, I remember Lyle commenting that the DSP has a constant skirt slope something on the order of 30 dB/100 Hz. 73, ... Joe, W4TV On 11/16/2015 1:24 AM, [email protected] wrote:
Although Elecraft has documented the response curves of their 5 and 8 pole roofing filters, I can't find any plots of their narrow DSP CW filters, like the 50, 100, 150 or 200 hz filters. Does anyone have Elecraft published plots of the narrow CW DSP filters, or has anyone use a signal generator to plot out their own response curves. It would be nice to know the DSP filter shape factors of the various narrow CW DSP filters to superimpose on top of the plots of the roofing filters. It would help me decide on which roofing filters to get since the roofing filters will determine how much IF shift can be achieved before the filter skirts of the DSP filters interact with the filter skirts of the fixed roofing filters. Charles K5UA
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