[Elecraft] K2 - Which signal's level does the K2's controller watch when scanning?

[Wayne Burdick]

Yes.

73,
Wayne
N6KR

On May 4, 2011, at 10:36 AM, Wayne Conrad wrote:

> Just to see that I'm reading the schematic correctly: V_SMTR is in  
> the IF stage, after AGC, so the crystal filters are in effect when  
> scanning, but the audio filter (KAF2/KDSP2) is not part of the "loud  
> enough to stop scanning" circuit.  It looks like the audio filter,  
> mute, and audio amplifier are pretty much the only thing that's "out  
> of the loop" for scanning.  That means, for example, that twisting  
> the audio gain knob will not affect scanning.  Have I got it right?
>
> 73, Wayne Conrad (studying like mad)
>
> On 05/04/11 09:55, Wayne Burdick wrote:
>> The V_SMTR line on the control board, which is still "live" even when
>> the receiver is muted.
> >
>> Wayne Conrad wrote:
>>
>>> Which signal's level does the K2's controller watch when scanning?