[hpsdr] JANUS BoM

Steven Bible n7hpr at tapr.org
Sun May 28 15:10:17 PDT 2006


Gang,

The DS2431P is used for board identification, correct?  What about using a
I2C serial eeprom instead as they are more common than the 1-Wire(r) parts.
I know that there is an 8 device limit in the addressing.

73,

- Steve, N7HPR
 (n7hpr at tapr.org)




> -----Original Message-----
> From: hpsdr-bounces at hpsdr.org [mailto:hpsdr-bounces at hpsdr.org]On Behalf
> Of Lyle Johnson
> Sent: Sunday, May 28, 2006 2:39 PM
> To: H. Gruchow
> Cc: hpsdr at hpsdr.org
> Subject: Re: [hpsdr] JANUS BoM
>
>
> ***** High Performance Software Defined Radio Discussion List *****
>
> Hello Horst!
>
> > So the best would be to offer the JANUS with some of the chips
> pre-mounted.
> >
> > Any other solutions????
>
> We might be able to arrange a group buy and supply the PCB and the
> hard-to-get parts.  To get the parts pre-mounted is a greater
> complication due to RoHS regulations.
>
> I suspect the parts would be:
>
> 1) AK5394A
> 2) DS2431P
> 3) EPM240T100
> 4) LT1128 (note that other, less expensive and more available op amps
> may be as good in this application)
>
> There would still be the issues of importation and taxes to be paid by
> the purchaser of the board and parts.
>
> 73,
>
> Lyle KK7P
>
> _______________________________________________
> HPSDR Discussion List
> To post msg: hpsdr at hpsdr.org
> Subscription help: http://lists.hpsdr.org/listinfo.cgi/hpsdr-hpsdr.org
> HPSDR web page: http://hpsdr.org
> Archives: http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/


 1148854217.0


More information about the Hpsdr mailing list