[Elecraft] Linear operation with K2?

[Vic Rosenthal]

Jess Gypin wrote:
> 	I am in the process of building a K2 with the 100 watt amp for another ham.
> He also needs to drive a linear. I also apologize as I have not looked on
> the website. Can someone point me to some information about this so it will
> be linear ready when I get it done?

Unless the linear requires you to switch a negative or AC voltage on 
transmit, the KPA100 is probably all set to drive a linear.  Here are 
the specs for the amplifier keying interface:

PA KEY output
Compatibility DC relay coil, pulled to ground
(do not use with AC-controlled relay)
Current 1 A
Voltage 200 VDC

The switching is all solid-state and quite fast, so the K2 can directly 
drive a QSK linear with no special keying circuitry.  For slower relays, 
you can set the delay to semi-QSK.

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco