[Elecraft] K144XV 2M Module and W2 Wattmeter on Web Order Form
w4sec at windstream.net
w4sec at windstream.net
Thu May 28 10:17:42 EDT 2009
It is also pending the release of a newer faster surface mount version of the Signetics Write-Only memory ICs (WOMs)-
Here is a link to the data sheet pdf-
http://www.national.com/rap/files/datasheet.pdf
-Pete
Jack Smith
Wed, 27 May 2009 15:48:04 -0700
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,
>
--
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