[Elecraft] K3 headphones

[Alexander Ponomarenko]

Paul, don't touch C22 cap (Cb for pin3 "bypass")!
You can to add 1uF cap to VDD line (U2 pin10).

Alex UR5LAM


Paul Christensen пишет:

> The National LM4811MM spec sheet notes that the bypass cap (Cb) value as 
> described above is critical with respect to turn-on clicks and pops.
> 
>>From the data sheet:
> "Capacitor Cb is the most critical component to minimize turn on pops since 
> it determines how fast the LM4811 turns on."
> 
> It's already at 10 uF.  Before changing it, I would test for clicks/pops 
> both ways to ensure that artifacts are not present.
> 
> Paul, W9AC