[hpsdr] More on Horton LO

[Robert McGwier]

Chris Bartram is a well know LO designer and a leading figure in uwSDR.  
I believe he is the moderator of their yahoo group.

Some of you may know about Suitsat.  There is a proposal to do a Suitsat 
II.  In getting ready for that,  Microchip took the SDR-1000 QSD and 
made a crystal controlled 10.7 MHz IF version of it.  They also decided 
to simplify the circuit and try some new parts in a variant.  I have 
been awaiting an opportunity to check that variant out.  I will have 
that opportunity tomorrow.

Microchip (the PIC company) , where Steve Bible works,  was a major 
contributor to Suitsat.  If that QSD checks out,  we can adopt it for 
Horton and press forward.  It is so inexpensive that should we decide to 
do something different later, we can easily.  If it works out,  I will 
put together a schematic with the Phil's, and others and we will shove 
it up on the web site for everyone's approval and comments.

73's
Bob
N4HY


Jim Miller wrote:
> microchip? the pic guys?
>
> do you have any links to bartram?
>
> 73
>
> jim a3cv
> ----- Original Message ----- 
> From: "Robert McGwier" <rwmcgwier at comcast.net>
> To: "Eric Ellison" <ecellison at comcast.net>
> Cc: "'Hans Summers'" <hans.g0upl at googlemail.com>; <hpsdr at hpsdr.org>
> Sent: Monday, June 19, 2006 10:49 PM
> Subject: Re: [hpsdr] More on Horton LO
>
>
> ***** High Performance Software Defined Radio Discussion List *****
>
> Just be sure and leave it at interest.  We don't have a suitable QSD 
> design yet, though I am going to be evaluating one by Microchip on 
> Wednesday and I think we might want to try the Bartram approach to the 
> LO first (much cheaper,  easy to find parts).
>
>
>   


-- 
AMSAT VP Engineering. Member: ARRL, AMSAT-DL, TAPR, Packrats,
NJQRP/AMQRP, QRP ARCI, QCWA, FRC. ARRL SDR Wrk Grp Chairman
Laziness is the number one inspiration for ingenuity.  Guilty as charged!


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