[Elecraft] K3: Keying SB-200

Jan Erik Holm sm2ekm at telia.com
Sun Nov 23 01:21:21 EST 2008


Forexample: A very simple fix is to use a OptoMOS relay. The
LCA110 from CLARE can key 350V 120 mA, cost seems to be a
little over 2 USD.

/ Jim SM2EKM
------------------------
David Yarnes wrote:
> And the answer is??????   I've been led to believe this isn't such a 
> good idea, and that you should use one of those amp keying kits that the 
> Heathkit Shop sells.  I've got an old SB-200 sitting around here, but 
> I've been afraid to try it!
> 
> Dave W7AQK
> 
> 
> ----- Original Message ----- From: "Ralph Parker" <ve7xf at dccnet.com>
> To: <elecraft at mailman.qth.net>
> Sent: Saturday, November 22, 2008 5:26 PM
> Subject: [Elecraft] K3: Keying SB-200
> 
> 
>> I'm just about to connect the KEY OUT to the SB-200 relay.
>> I hope the little transistor in the K3 can take it!
>>
>> VE7XF
>>




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