My OLD Rev A 2002 K2/100 manual shows it on page 56. It'll switch 1A, +200VDC via an IRF830 (or IRL620) MOSFET to ground. It's on the left middle of the second page of the schematic.
Lou W7HV
On Tuesday, March 16, 2021, 9:23:15 PM MDT, Mike Cizek W0VTT <
[hidden email]> wrote:
Hello Eric,
It's in theKPA100 manual, at the back under Specifications:
DC relay coil pulled to ground
1A at 200 VDC (do not use with AC-controlled relay)
P59 in my book, which I just noticed, comes right after p62.....
----
73,
Mike Cizek W0VTT
-----Original Message-----
From:
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[hidden email]> On Behalf Of eric norris via Elecraft
Sent: Tuesday, 16 March, 2021 21:11
To: Elecraft Reflector <
[hidden email]>
Subject: [Elecraft] K2/100 Amp Keying Limits?
Can anyone tell me what the external amplifier keying limits are for a K2/100? I'm trying to use an AL811H, which has 14.5V at 10ma on the relay jack. Do I need an external interface? I cannot find the answer in the K2/100 manual. Thanks!
73, Eric WD6DBM
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