[Elecraft] K3/MMTTY/Signalink Problem

[Joe Subich, W4TV]

Be very careful ... Signalink USB lacks sufficient bypassing on
the internal 5V distribution, lacks regulation on the CODEC and
op-amp V/2 reference, and lacks sufficient filtering on the USB
power line.

Most sound card show increased distortion with Playback gain above
80%.  Cranking the audio gain to 100% in the playback mixer can
cause it to become *VERY DIRTY* if power supply and regulation is
not properly addressed.

73,

    ... Joe, W4TV


On 2014-10-15 10:03 AM, Greg wrote:
>> Another thing to check:
>>
>> In your sound devices find the signalink USB codecs and open the playback
>> mixer.  The slider needs to be at 100....all the way to the top.
>>
>> Also, there are jumpers in the SL.  One is for low output or high output.
>> Make sure the jumpers are set to the high positions.
>>
>> 73
>> Greg
>> AB7R
>>
>
>
>
>>
>>
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