[hpsdr] PennyWhistle - Call for Comments

[Steven Doyle]

Hi,

1) I'd prefer BNC like the other boards,but I I don't really mind eiter way.
2) power at HF vs 6 meters?  Keep it simple I say.
3) I'm quite willing to assemble, though I would like the PCB and kit of 
parts rather than trying to source them myself.
4) winding to (optionally) reduce gain and increase linearity: Most 
definitely

Can't wait

Steve G1YLB

----- Original Message ----- 
From: "Graham / KE9H" <KE9H at austin.rr.com>
To: "HPSDR discussion list" <hpsdr at lists.hpsdr.org>
Sent: Friday, February 06, 2009 11:05 PM
Subject: [hpsdr] PennyWhistle - Call for Comments


> ***** High Performance Software Defined Radio Discussion List *****
>
> All:
>
> Before I do a layout of the (hopefully) final
> version of PennyWhistle, I would like to call
> for comments.
>
> If this is something you would be interested in,
> please review...
>
> http://hpsdr.org/wiki/index.php?title=PENNYWHISTLE
>
> It has been updated with an "off the shelf" output
> transformer from Communications Concepts, as well
> as the power output versus frequency plots have
> been added.
>
> Questions:
>
> Do you prefer BNC versus the SMA connectors shown?
>
> Considering the differences in power output at
> 6 Meters versus HF, should a relay be added that
> would switch the output peaking between HF and
> 6 Meters, or is the performance with a fixed
> capacitor at one setting or the other adequate
> for your purposes?   (that is, keep it simple)
>
> Is a bare board kit preferable if it saves multiple
> months for availability?  Are you comfortable
> building a kit with about two dozen SMT parts?
>
> I have a suggestion from Phil H to add a feedback
> winding to (optionally) reduce gain and increase linearity
> when used as a driver for linears.
>
> I have a suggestion from Lyle J. to try the RD15HVF1
> in place of the RD16HFF1 transistors to increase
> performance at 6 Meters.
>
> --- Graham / KE9H
>
> ==
>
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