[hpsdr] Updated Hermes User Guide

[Kjell Karlsen]

Hi.

This is as an information to the Hams that bought the extra Hermes PCB´s  
 from TAPR: There are some differences of the connections to J16. There was  
a misunderstanding during the PCB layout that lead to this. The correct  
connections are as follows:

Pin  1= PTT IN
Pin  2= Left Line IN.
Pin  3= Right Phone OUT.
Pin  4= Spkr 2 OUT.
Pin  5= Spkr 1 OUT.
Pin  6= Analogue input 1.
Pin  7= Digital input 4.
Pin  8= Digital input 3.
Pin  9= Open Collector 0 OUT
Pin 10= Open Collector 2 OUT.
Pin 11= Open Collector 4 OUT.
Pin 12= Open Collector 6 OUT.
Pin 13= PTT OUT
Pin 14= GND.
Pin 15= Right Line IN.
Pin 16= Left Phone OUT.
Pin 17= Digital Input 1.
Pin 18= ???. (NC)
Pin 19= Analogue Input 2.
Pin 20= ??? (NC)
Pin 21= Digital Input 2.
Pin 22= Open Collector 1 OUT.
Pin 23= Open Collector 3 OUT.
Pin 24= Open Collector 5 OUT.
Pin 25= Open collector ref.
Pin 26= ??? (NC)

The power input connector, J18 (6 pins instead of 4) is different from the  
production board and it is also placed different.

NB: As far as I know, only 14 PCB´s exists with this configuration! (Abhi  
may have some too.)

If someone is interested in the right schematic for this PCB, please  
contact me and I´ll mail it to you.

73, Kjell




På Sun, 22 Jul 2012 14:21:38 +0200, skrev Phil Harman <phil at pharman.org>:

> ***** High Performance Software Defined Radio Discussion List *****
>
> All,
>
> There is an updated version of the Hermes User Guide (V1.5) available  
> here:
>
> http://svn.tapr.org/repos_sdr_hpsdr/trunk/Hermes/Documentation
>
> Thanks to all those who provided feedback on the corrections/additions  
> required and in particular for the detailed review undertaken by Peter,  
> VK3PF.
>
> Could those maintaining web sites please link to this version of the  
> guide.
>
> Thanks
>
> 73 Phil...VK6APH
>
>
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