Difference between revisions of "GPSTCXO"

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'''GPSTCXO'  Project name is KHRONOS.'' - We would like to see what the interest level is for a GPSTCXO based timing/frequency reference for HPSDR.  Suggestions and discussions are welcome.
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'''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.
 
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Here's some reference material to review regarding the Jackson Labs GPSTCXO 'low cost' device:
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Schematics and Block Diagrams For Themis and Khronos:
 
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[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/GPSTCXO_Specsheet.pdf GPSTCXO Data Sheet Brief]
 
 
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/gpstcxo.pdf GPSTCXO Eval Board UG]
 
 
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/GPSDO_3-3V_Rev3-0-mech_dim.pdf GPSTCXO Mechanical Dimensions]
 
 
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/CXOH20.pdf Excalibur's TCXO Data Sheet]
 
 
Some File Updates:
 
 
 
THEMIS:
 
THEMIS:
  
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[http://www.WestmorelandEngineering.com/OpenHPSDR/Projects/Khronos/KHRONOS_simplified_block_diagram.PDF KHRONOS Simplified Block Diagram]
 
[http://www.WestmorelandEngineering.com/OpenHPSDR/Projects/Khronos/KHRONOS_simplified_block_diagram.PDF KHRONOS Simplified Block Diagram]
  
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Current Board Screen shots (these will be available at various layout/development stages):
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[http://www.WestmorelandEngineering.com/OpenHPSDR/Projects/Themis/Themis_snap_layout.PDF THEMIS Layout Snap Shot]
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[http://www.WestmorelandEngineering.com/OpenHPSDR/Projects/Khronos/KHRONOS_snap_layout.PDF KHRONOS Layout Snap Shot]
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----
 +
Here's some reference material to review regarding the Jackson Labs GPSTCXO 'low cost' device:
 +
----
 +
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/GPSTCXO_Specsheet.pdf GPSTCXO Data Sheet Brief]
 +
 +
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/gpstcxo.pdf GPSTCXO Eval Board UG]
 +
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[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/GPSDO_3-3V_Rev3-0-mech_dim.pdf GPSTCXO Mechanical Dimensions]
 +
 +
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/CXOH20.pdf Excalibur's TCXO Data Sheet]
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Some File Updates:
  
 
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/gpsocxo_eval.pdf PDF Schematic of EVB]
 
[http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/gpsocxo_eval.pdf PDF Schematic of EVB]

Revision as of 14:25, 10 May 2014

'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

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.