[Elecraft] K3s: microphone connector 8V current

[Nr4c]

What are you going to use this  voltage for? I think it’s for a mic preamp. It is not the source of bias for an electret mic. That comes on the mic pin when turned On in the menu. 

Sent from my iPhone
...nr4c. bill


> On Jul 26, 2020, at 2:57 PM, Henk de Vries <hdv at kpnplanet.nl> wrote:
> 
> Hi all,
> At the K3s microphone connector the 8V output (pin 6) is specified at 10 mA max.However a UA78M08CDC voltage regulator - which is directly connected to +12V - provides the voltage/current to this pin.The UA78M08CDC is specified at 500 mA max.
> Is there any reason why a current of approx. 50 mA could not be drawn from pin 6?
> 73 HenkPA0C
> Henk
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