Difference between revisions of "GPSTCXO"

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[http://www.WestmorelandEngineering.com/OpenHPSDR/Projects/Themis/THEMIS_simplified_block_diagram.PDF '''THEMIS''' Simplified Block Diagram]
 
[http://www.WestmorelandEngineering.com/OpenHPSDR/Projects/Themis/THEMIS_simplified_block_diagram.PDF '''THEMIS''' Simplified Block Diagram]
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'''NEW''' [http://www.WestmorelandEngineering.com/OpenHPSDR/Projects/Themis/Themis3D.PDF '''THEMIS''' 3D PDF Of Layout]
  
 
'''KHRONOS''' (preliminary schematic release):
 
'''KHRONOS''' (preliminary schematic release):

Revision as of 00:58, 15 July 2015

'GPSTCXO' Project name is KHRONOS and for the HPSDR GPSDO - the project name is THEMIS. - We would like to see what the interest level is for a GPSTCXO based timing/frequency reference for HPSDR. Suggestions and discussions are welcome.


Schematics and Block Diagrams For Themis and Khronos:


THEMIS:

THEMIS Design For Review

THEMIS Simplified Block Diagram

NEW THEMIS 3D PDF Of Layout

KHRONOS (preliminary schematic release):

KHRONOS (Preliminary) Design For Review

KHRONOS Simplified Block Diagram

Current Board Screen shots (these will be available at various layout/development stages):

THEMIS Layout Snap Shot

KHRONOS Layout Snap Shot


Here's some reference material to review regarding the Jackson Labs GPSTCXO 'low cost' device:


GPSTCXO Data Sheet Brief

GPSTCXO Eval Board UG

GPSTCXO Mechanical Dimensions

Excalibur's TCXO Data Sheet

Some File Updates:

PDF Schematic of EVB

GPSTCXO Eval Board Gerbers

GPSTCXO Eval Board Mechanical Dimensions


Image of Jackson Labs EVB:

GPSTCXO Jackson Labs EVB Image


Block Diagram of KHRONOS Architecture:

KHRONOS Block Diagram


Possible Gibraltar Alternative:

MTRON m9107 Datasheet


Some good background material and reference papers:

10 MHz OCXO Clock for the hpSDR-Transceiver - By Hans Hartfuss, DL2MDQ and Juergen Sachtleben, DD6UJS

Surplus 10 MHz Rubidium Frequency Standard - By Hans Hartfuss, DL2MDQ and Juergen Sachtleben, DD6UJS


An alternative design:

10 MHz Simple GPSDO - By James Miller G3RUH


Note - all files pertaining to the Jackson Labs GPSTCXO are provided courtesy of Jackson Labs of Los Gatos, California.