d2:laser_controller
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
| d2:laser_controller [2019/03/07 17:53] – Michael Radunsky | d2:laser_controller [2019/03/25 20:59] – Michael Radunsky | ||
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| Line 47: | Line 47: | ||
| </ | </ | ||
| <WRAP half column> | <WRAP half column> | ||
| - | |||
| <WRAP round box 250px>< | <WRAP round box 250px>< | ||
| - | </ | + | </ |
| - | </ | + | |
| ===== Absolute Maximum Ratings ===== | ===== Absolute Maximum Ratings ===== | ||
| Line 275: | Line 272: | ||
| When disconnected, | When disconnected, | ||
| + | |||
| + | The Servo Input on the front panel continues to function when the SETPOINT ENABLE is pulled low. | ||
| =====Turning on the Laser Diode===== | =====Turning on the Laser Diode===== | ||
| Line 329: | Line 328: | ||
| 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.txt · Last modified: 2024/03/27 15:33 by Thomas Bersano