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d2:laser_controller [2019/03/07 14:47]
Michael Radunsky
d2:laser_controller [2019/03/19 18:01] (current)
Michael Radunsky
Line 326: Line 326:
 To reset the temperature loop parameters to the approximate settings for a Photodigm TOSA DBR Laser: To reset the temperature loop parameters to the approximate settings for a Photodigm TOSA DBR Laser:
   - The T1 loop is not used as the TOSA only has one TEC.   - The T1 loop is not used as the TOSA only has one TEC.
-  - Set the dip switches to the configuration shown in <tabref factory_set2_post6987_TOSA>​. ​+  - Set the T2 dip switches to the configuration shown in <tabref factory_set2_post6987_TOSA>​. ​
   - Measure the resistance across GND5 and probe point GAIN2. Set this resistance to between 1.01 kΩ and 1.03 kΩ by adjusting trimpot PROPGAIN2.   - Measure the resistance across GND5 and probe point GAIN2. Set this resistance to between 1.01 kΩ and 1.03 kΩ by adjusting trimpot PROPGAIN2.
  
d2/laser_controller.1551998827.txt.gz · Last modified: 2019/03/07 14:47 by Michael Radunsky