[K3PZN-List] Club Project Idea

Philip Karras ke3fl at yahoo.com
Mon Mar 1 18:56:33 EST 2010


Looks good to me, does NorCal no longer supply the boards/kits?

73 de ke3fl
Phil

--- On Sun, 2/28/10, Curt Milton <wb8yyy at yahoo.com> wrote:

> From: Curt Milton <wb8yyy at yahoo.com>
> Subject: [K3PZN-List] Club Project Idea
> To: "Carroll County Amateur Radio Club" <k3pzn-list at mailman.qth.net>
> Date: Sunday, February 28, 2010, 9:43 PM
> I have run across a need from
> time-to-time in my own shack for a signal generator to test
> receivers.  A commercial version is available from
> Electraft, and the Norcal QRP club was kitting a SMT version
> - but they are currently 'closed.'  Sometimes it is
> better to make your own - and get it just the way you want
> it.  
> 
> The device is designed to produce either a S9 or S1 signal,
> working in conjunction with a crystal for the band of
> interest.  The electronics involved is very simple - a
> single transistor and some discrete parts.  This device
> is especially useful to folk who restore old rigs or build
> rigs.  
> 
> (Yes I have an old signal generator - but trust me is not
> stable enough to test good receivers with narrow filters -
> which is nearly everything we have in use).  
> 
> I sense this could be built without a circuit board - but
> it will take a little ingenuity - which I suspect we can
> supply.  Yes I would propose conventional parts (not
> SMT).  The schematic is located on the last page of
> this manual:  
> 
> http://norcalqrp.org/files/NorCal_S9_Assy_V1.pdf
> 
> If there are enough folk interested in making a homebrew
> version of this, we could 'commission'  a team, request
> a small budget from the treasury to purchase needed material
> - then sell the kits (to recoup the treasury) to interested
> builders.  Depending upon how many bands of xtals we
> supply (maybe just 40 and 20 meters) cost should be under
> $10 each.  
> 
> Or maybe this will spawn other ideas.  
> 
> 73 Curt
> 
> 
>       
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