Difference between revisions of "Testing of PMT dividers"
| (9 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
| + | ''' New version of the active base''' | ||
| + | <gallery> | ||
| + | Image:new_base2.jpg | Fig. 1 Connectors on the new base | ||
| + | Image:new_base3.jpg | Fig. 2 Connectors on the new base | ||
| + | Image:new_base1.jpg | Fig. 3 Extension of the PCB to accommodate the new connector | ||
| + | </gallery> | ||
| + | |||
| + | '''[[Final test of dividers]]''' | ||
| + | |||
| + | |||
''' Bench tests''' | ''' Bench tests''' | ||
| Line 32: | Line 42: | ||
Image:ccal_prot_cables2.jpg | Fig. 3 - Closer look of dividers | Image:ccal_prot_cables2.jpg | Fig. 3 - Closer look of dividers | ||
Image:ccal_prot_cables4.jpg | Fig. 4 - Patch panels: LV distribution for the 5x5 prototype (right) | Image:ccal_prot_cables4.jpg | Fig. 4 - Patch panels: LV distribution for the 5x5 prototype (right) | ||
| − | Image:ccal_prot_cables5.jpg | Fig. 5 - Patch panel from the outside of the CCAL | + | Image:ccal_prot_cables5.jpg | Fig. 5 - Patch panel from the outside of the CCAL (the MPOD connector is on the left) |
| + | </gallery> | ||
| + | |||
| + | |||
| + | '''Tuning dividers after the CCAL beam test ''' | ||
| + | <gallery> | ||
| + | Image:before_saturation_fern.png | Fig. 1 Original base before saturation | ||
| + | Image:after_saturation_fern.png | Fig. 2 Original base, A = 1.8 V | ||
| + | Image:new_ops.png | Fig. 3 Modified OPS | ||
</gallery> | </gallery> | ||
Latest revision as of 09:43, 19 October 2023
New version of the active base
Fig. 1 Connectors on the new base
Fig. 2 Connectors on the new base
Fig. 3 Extension of the PCB to accommodate the new connector
Bench tests
Fig. 1 Setup for testing PMT dividers
Fig. 2 Bypassed amplifier, small amplitude
Fig. 3 Bypassed amplifier, large amplitude
Fig. 3 Amplifier gain 3, small amplitude
Installing 5x5 prototype on CCAL
Fig. 1 - Front view of the CCAL
Fig. 2 - Rear view of the CCAL
Fig. 3 - List of modules installe
Cables, and patch panels
Fig. 1 - Cables connected to the FCAL2 dividers (signal, HV, and LV)
Fig. 2 - Cables connected to the FCAL2 dividers (signal, HV, and LV)
Fig. 3 - Closer look of dividers
Fig. 4 - Patch panels: LV distribution for the 5x5 prototype (right)
Fig. 5 - Patch panel from the outside of the CCAL (the MPOD connector is on the left)
Tuning dividers after the CCAL beam test
Fig. 1 Original base before saturation
Fig. 2 Original base, A = 1.8 V
Fig. 3 Modified OPS
