Hi Jamie,
Neither...
KEY OUT is connected to an IRF630 power MOSFET which has
"on/off" states, not "HI/LO" states.
During receive its in the off state, sinking less than 50 microamps
from the load connected to KEY OUT.
During transmit its capable of sinking ("grounding") up to 200 volts
at up to 5 amps continuous from the load connected to KEY OUT.
73
Frank
W3LPL
----- Original Message -----
From: "Jamie WW3S" <w...@zoominternet.net>
To: elecraft@mailman.qth.net
Sent: Friday, January 4, 2019 8:45:22 PM
Subject: [Elecraft] K3 KEY OUT, hi or low on TX?
Does the KEY OUT jack go HI or LO during transmit?
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