Preamp & ADC Board
AssemblyAnalog front end: a low-noise mic preamp with a soft-limiter, anti-alias filtering, and a 24-bit audio ADC that digitizes the capsule signal for the transmitter. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Preamp & ADC Board
5 top-level lines as of r191247| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Mic Preamp IC | wireless-microphone-preamp-ic | 1× | 1 | · | part |
| 3 | Audio ADC | wireless-microphone-adc | 1× | 1 | · | part |
| 4 | SMD Passive (R/C/L) | smd-passives | 45× | 45 | · | part |
| 5 | Connector | connector | 1× | 1 | · | part |