On Analog boards
- Small Analog-BRD: PC-261-100-67-C00 (xtrnl)
- Quad Analog-BRD:
| Design | Ver | PCB # | LDO | Supply/Net | TP# | Sheet | Item(s) | To | State | (1)Current draw[mA] | Problem |
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Note(s) | Small | C00 | LT3086EFE | ASIC_V2_5A = ASIC_ANA_PWR | 8 | R255→R253-->R256 | AGND | Loaded: 1kOhm-->390-->1kOhm | 1.05 + 0 | Minimum Load Current = 1mA. The LT3086 requires a minimum load current to ensure proper regulation and stability. | | .......................................................................... | Note(s) |
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5 | R192 | DET_GND → R364 (0Ohm) → AGND | NO LOAD! |
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| Quad | C00 |
| LT3086EFE | A0+2_5V |
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| See no sense load to AGND |
| 0 | Possibly... no minimum load resistance | See Small |
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| A0+2_5V (sheet 18: ASIC_APWR) |
| 18 | R255 | DET_GND → R364 (0Ohm) → AGND | NO LOAD! |
| Quad | C01 | VR3 & VR4 | LT3086EFE | VOUT (A0+2_5V) |
| 9 |
| See no sense load to AGND |
Possibly... no minimum load resistance | See Small |
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| See Small |
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| R10 & R11 (330 Ohm) |
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| I_MON = I_OUT/1000 resistor for VR3 & VR4 → I_OUT = 1000*I_MON = (1000/330)*V_MON |
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| ASIC_ANA_EN |
| 7 | R1 | ASIC_ANA_EN → R1 (10kOhm) → AGND | LDO physically off at bootup |
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| A0+2_5V | 13 | 7 |
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| A0+2_5V (sheet |
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| 19 | R264 | DET_GND → R364 (0Ohm) → AGND | NO LOAD! | 0 | Possibly... no minimum load resistance |
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| A1+2_5V |
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| A2+2_5V |
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| A3+2_5V |
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| Quad | C01B | VR14 | LT3086 | VOUT (D0+2_5V) |
| 16 |
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| R36 (330 Ohm) |
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| I_MON = I_OUT/1000 resistor for VR3 & VR4 → I_OUT = 1000*I_MON = (1000/330)*V_MON |
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| D0+2_5V | 11 | 7 |
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| D0+2_5V (sheet 19: ASIC_DPWR) |
| 19 |
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| NO LOAD! | 0 |
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(1) Without asic load added
On Digital boards
Testing Mods
- PC_261_100_86_C01
- PC_261_100_85_C01