> What limits it is a 4Khz low pass filter that all the audio passes
> through, independent of mode.
The limit is in the audio DSP - you will see the maximum cutoff even
on the Line Out which does not pass through the analog (op amp) LPF
in the headphone/speaker channel.
73,
... Joe, W4TV
On 8/15/2011 12:55 PM, Barry N1EU wrote:
>
> Edward R. Cole wrote:
>>
>> One of the reasons I bought the 13-KHz filter was to process wide
>> band audio baseband for use by spectrum sw, but it appears the
>> "modes" limit this if I understand correctly.
>>
> What limits it is a 4Khz low pass filter that all the audio passes through,
> independent of mode.
>
> Barry N1EU
>
>
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