LIGO Document E1600260-v1
- Add a 4.7pF capacitor into C25 of the ITM ESD Driver Main Board in the high-voltage bias section of the circuit.
This capacitor is there to ensure stability of the HV stage, and to preclude a ~175kHz oscillation that has been seen on some units.
Capacitor Manufacturer: American Technical Ceramics
Manufacturer’s Part Number: 800B4R7BT500XT
DigiKey Part Number: 1284-1299-1-ND
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- PDF Version (E1600260_ITD_ESD_BiasOscMod_ECR-v1.pdf, 48.2 kB)
- Other Files:
- Word Version (E1600260_ITD_ESD_BiasOscMod_ECR-v1.docm, 31.3 kB)
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