[Elecraft] No line out when AGC is off

Don Wilhelm w3fpr at embarqmail.com
Sat Jul 9 19:06:06 EDT 2011


  Jack,

It is only a quick guess, but I would think you might want to check the 
setting for the AF Limiter - that is active when AGC is off, by default.

73,
Don W3FPR

On 7/9/2011 6:44 PM, wa9fvp wrote:
> While operating RTTY, in order to prevent amplitude variations caused by
> static crashes, I like to turn off the AGC.  It always worked with my Icom
> 746 and I didn't care if the audio was distorted.  It provided an amplitude
> limited FM signal to my Hal DXP-38.
>
> When I turn off the AGC on the K3, with the RF gain set to max position.
> The signal disappears on the line out port.  Using an X/Y oscilloscope,
> there appears to be noise but no signal.    I can hear the very loud RTTY
> signal on speaker audio and it never cuts out.     When I reduce the RF
> gain, the signal appears or sometimes during fading, the RTTY signal
> reappears on the X/Y scope.
>
>
>
> I’m using Firmware Rev. 4.36, and DSP 2.73
>
> te.html


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