[Elecraft] K3 RX Equalizer

[Walter Underwood]

That would suggest that using hi-cut is a better choice than RX EQ for cutting high frequency hiss. The ultimate rejection for hi-cut is greater than the max RX EQ cut, right?

Does the KX3 work the same way? I would assume so, but might as well ask.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Dec 29, 2017, at 12:36 PM, Lyle Johnson <kk7p4dsp at gmail.com> wrote:
> 
> The K3 filter is a little unusual in that the receiver equalizer is part of the DSP bandpass filter, not a different or subsequent filter.  This helps minimize latency.
> 
> As a result, the equalization is applied before the audio paths are separated, so it is on all receive paths.
> 
> In data modes, the equalizer is disabled (the filter coefficients are re-computed ignoring the equalizer settings).
> 
> 73,
> 
> Lyle KK7P (author of the K3 DSP code)
> 
> 
>> Prob the first 3. The 4th is mostly for digital and thus not needed.
>> 
>>> On Dec 29, 2017, at 11:53 AM, Chris Hallinan <challinan at gmail.com> wrote:
>>> 
>>> I understand that the K3 has two separate equalizer settings for CW and
>>> SSB.  I also understand it is not active in the Data modes.
>>> 
>>> However, there are four sources of audio output:
>>> 
>>> 1) Internal Speaker
>>> 2) SPKRS (rear panel)
>>> 3) Phones (front panel)
>>> 4) Line Out (rear panel)
>>> 
>>> Does the equalizer operate for all four outputs?
> 
> ______________________________________________________________
> 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 wunder at wunderwood.org