[Elecraft] K144XV 2M Module and W2 Wattmeter on Web Order Form

Jack Smith jack.smith at cliftonlaboratories.com
Wed May 27 18:47:49 EDT 2009


Lyle:

Does this mean I no longer need the Dewar of liquid helium for cooling?

Jack K8ZOA


Lyle Johnson wrote:
>> ...10 watt and 1200 watt K3s have a different rear panel plate.
>>     
>
> The 1200 watt hasn't been released yet.  We'll be using a single surface 
> mount 2N3906 PNP transistor in a Class I amplifier that will allow the 
> K3 to run on a single AA cell for up to 10 days, as long as the transmit 
> duty cycle significantly exceeds 101%.  Any less and the battery quickly 
> goes flat and the transistor lets its smoke out, which is a one time event.
>
> In the meantime, please use our 100 watt version with its corresponding 
> fan panel for your KPA3-equipped K3 and the K144XV.
>
> 73,
>
> Lyle KK7P
>
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