[hpsdr] Updated KHRONOS Block Diagram Posted

John C. Westmoreland, P.E. john at westmorelandengineering.com
Thu Sep 12 17:02:17 PDT 2013


HPSDR,

I have updated the KHRONOS Block Diagram on the OpenHPSDR Wiki page:
http://openhpsdr.org/wiki/index.php?title=GPSTCXO

Block Diagram of KHRONOS Architecture:

KHRONOS Block Diagram<http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/KHRONOS_TOP_LEVEL_HIERARCHY.pdf>

( KHRONOS TOP LEVEL HIERARCHY - BLOCK
DIAGRAM<http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/KHRONOS_TOP_LEVEL_HIERARCHY.pdf>
 )


There are options now for either the Jackson Labs GPSTCXO module we have
discussed previously or the LC_XO module.  http://jackson-labs.com/

There is also an option for an ezLCD-304 display from EarthLCD:

EarthLCD-ezLCD-304 <http://store.earthlcd.com/ezLCD-304?sc=21&category=297>

- or - a 'display only' LCD from Electronic Assembly:

(  EA-DOGS-102-6 <http://www.lcd-module.com/products/dog.html> ).


KHRONOS can be powered by ATLAS, Batteries (NiMH or Li-Ion or LiFe), or USB
so GPS lock
can be maintained no matter what the operating conditions.

All GPS information will be displayed via the LCD panel - we can display
some HPSDR status
there too like ambient chassis temperature.

KHRONOS also has two 12-bit DACs with synchronization.


Thanks to Phil - VK6PH - for his continued support and assistance
throughout this effort.

73's,
John
AJ6BC
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