Measurement Processor
AssemblyA low-power microcontroller that excites the eddy-current coils, measures the impedance change, linearizes the gap-to-thickness relationship, and computes a real-time reading. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Measurement Processor
5 top-level lines as of r120026| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Microcontroller | mcu | 1× | 1 | · | part |
| 2 | Oscillator Crystal | ptg-oscillator | 1× | 1 | · | part |
| 3 | Transimpedance Amplifier | ptg-transimpedance-amp | 1× | 1 | · | part |
| 4 | ADC Front-End | ptg-adc-frontend | 1× | 1 | · | part |
| 5 | SMD Passive (R/C/L) | smd-passives | 20× | 20 | · | part |