[Elecraft] K3 Main RF Gain problem

[Jim Byers]

Wes,

The s-meter indications are really no more than a nuisance. But the RF 
gain behavior is something I need to address.
I am using the latest utility and firmware.
Will start from scratch again (third time) see if anything changes

Jim



On 09-12-23 9:54 , Wes Stewart wrote:
> In working with Lyle on earlier versions of the rf calibration I saw 
> some of this same action.  In some cases, the s-meter wouldn't even 
> reach FS at min RFG.
>
> You might try backing off to factory defaults and starting over, 
> making sure you have the latest utility.
>
>     On 09-12-23 0:59 , Wes Stewart wrote:
>
>     Wes
>
>     RF Gain calibration completed as per manual no problems seen in
>     the calibration procedure.
>
>     If in Config menu >>Smeter OF or other Smeters menus and I move
>     the RF Gain the Smeter will respond as you would expect.(this is
>     just a curious sidebar that is probably not useful info)
>
>     In normal operation AGC OFF or ON S or F , PRE ON or OFF, ATT IN
>     or OUT, ALL MODES ALL FITERS   I get a gain increase in the main
>     rcvr at the 9:30 position of the the main rf gain.
>
>     Since the RF Gain calibration works for the sub reciever and the
>     RF gain and S meter on the Sub rcvr  work correctly I am beginning
>     to suspect the JFET  IF Amp and associated circuits of the main rcvr.
>
>     Jim
>
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>