[Elecraft] new subscriber and first question

[Lyle Johnson]

Hello DOug!

> I just put together my K3/100 with ATU.  What a great transceiver!
>
> Now I need to hook it to my vintage Collins 30L-1 linear amp.  The manual
> says the K3 can handle up to 200 volts on 'key out'.

Positive only, not negative.
> ... I was thinking the
> K3 uses relay contacts for the 'key out', but maybe not.

Key out does not use a relay.

>   Second question is
> whether the K3 schematics are available?

PDF format download is in the manuals section of the Elecraft website.

73,

Lyle KK7P