[Elecraft] KX1 Power Measurements by band

[Phil Wheeler]

Drat, foiled again by someone with facts :-)

I think there may be hotter versions of the LM386  but a) its wired in 
and b) they may have more pins.

Oh well ....

73, Phil

Ron D'Eau Claire wrote:

>The LM386 gain is adjustable from about 20 to 200 by connecting a resistor
>in series with a capacitor between pins 1 and 8. Maximum gain is obtained
>when only a capacitor of about 10 uf is connected across the pins. That's
>the way it's already wired in the KX1, so I'm afraid there's nothing more
>available at that point in the circuit. 
>
>Ron AC7AC
>
>-----Original Message-----
>...The improvement I would like to see is a bit more audio.  There is 
>enough, but I feel like there is not much headroom, because on weaker 
>signals I have the AF gain almost all the way CW.  Perhaps there is a 
>resistor at the LM386 which could increase audio with a changeout: 
>Dunno, but I will noodle on it when I get a chance.
>
>73, Phil
>
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>
>
>  
>


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