[arm-allstar] No description in lsnodes

[Doug Crompton]

I might add that the main reason for using the TX DSP level is when using
the CM119B which has a lower number of internal TX level steps available
than previous chip versions. Using TX DSP when necessary resolves this
issue.

*73 Doug, WA3DSP*
*http://wa3dsp.org <http://wa3dsp.org>*

On Mon, Apr 20, 2020 at 12:39 PM Doug Crompton <wa3dsp at gmail.com> wrote:

> The DSP setting is a SW tweak of TX level while TX level item 3 works
> directly on the CM119x in either selected linear or log modes. The DSP
> level is set to 999 by default. Most would leave it where it is and use
> item 3 but in some situations you might need finer resolution and then the
> procedure is to set item 3 TX level to just higher than perfect and adjust
> the DSP level down to match exactly. It is very doubtful that anyone would
> do this or need to do this that did not have a fairly accurate way to
> measure deviation. It was mainly put in to satisfy repeater operators using
> service monitors. In operation you want to keep the DSP level as high as
> possible using it for fine adjustment and using item 3 for coarse
> adjustment.
>
> *73 Doug, WA3DSP*
> *http://wa3dsp.org <http://wa3dsp.org>*
>
>
> On Mon, Apr 20, 2020 at 10:28 AM "Kevin Custer via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
>> On 4/20/2020 1:18 AM, "Doug Crompton via ARM-allstar" wrote:
>> > Yes, the default setting for the TX DSP is 999. This is a fine setting
>> for
>> > TX audio. You should use the TX item 3 to set it and then the TX DSP to
>> > fine tune it if necessary keeping it at as high a number as possible.
>> Most
>> > people would not need to use it leaving it a 999 and just setting item
>> 3.
>>
>>
>> Can I have a technical description of what exactly "TX DSP" does?
>>
>> Thanks,
>> Kevin
>> _______________________________________________
>>
>> ARM-allstar mailing list
>> ARM-allstar at hamvoip.org
>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>
>> Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
>>
>