[Elecraft] [K3] RX Audio/AGC

[Joe Subich, W4TV]

Mike,

Do you have CONFIG:AF LIM reduced from NOR 030 and MENU:RX EQ set to
boost high frequencies?

73,

    ... Joe, W4TV


On 1/23/2014 11:33 PM, mikerodgerske5gbc at yahoo.com wrote:
> Let me add, I don't mind reducing rf gain more one on one BUT its aggravating after a while in a group to turn it up and down for one or two guys with high pitch voices.
>
> Seems AGC should do that?
>
> Once again, it's like the high pitch voice is activating th AF limiter or a similar sound. AGC fast or slow. AF limiter 30.
> Signal around s7.
> I run into this frequently on a 20m rag chew net.
>
> 73
> Mike R
>
>
>
> RIP- Mr 500.  STP's Andy Granatelli from racing fans everywhere.
>
> On Jan 23, 2014, at 6:11 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:
>
>> Mike,
>>
>> An added note - when experimenting with the AGC settings, do take heed of the information on how to evaluate the results of your changes - listen between pauses in the signal rather than listening to the noise on the band.  Listening to the noise level without an intermittent signal will lead you in the wrong direction.
>>
>> 73,
>> Don W3FPR
>>
>> On 1/23/2014 6:55 PM, Don Wilhelm wrote:
>>> Mike,
>>>
>>> I don't know if it will help in your situation, but take a look at my webpage www.w3fpr.com article on "Noisy K3" for some guidance to setting the AGC parameters.  Yes, changing the slope may be helpful, but you will have to experiment a bit.
>>>
>>> Turning the preamp off and perhaps the attenuator on may help as well.  Then too, if you are running with noise reduction turned on, that could create some 'funny situations' that are similar to what you are hearing - try with NR turned off.
>>>
>>> 73,
>>> Don W3FPR
>>>
>>> On 1/23/2014 6:39 PM, mikerodgerske5gbc at yahoo.com wrote:
>>>> I have a ongoing nuisance.  On USB it seems high voices will pop/crack just like if AGC was off and hitting the AF limiter. Reducing RF Gain clears it up.
>>>> Turning agc threshold down has no effect.
>>>>
>>>> Is there a agc setting that might correct this?  I haven't tried slope which is 15 (max).
>>>>
>>>> I get the qth list as daily digest and yahoo as individual email. It's much easier to respond on yahoo. I've posted to both.
>>>>
>>>> Thanks
>>>> Mike R
>>>
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