Oscillator Board
AssemblyRF heart of the instrument: fixed and variable pitch oscillators near 260–500 kHz, a volume oscillator, and a mixer that extracts the audio-band difference frequency. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Oscillator Board
8 top-level lines as of r171725| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Fixed Oscillator | theremin-fixed-oscillator | 1× | 1 | · | part |
| 3 | Variable Oscillator | theremin-variable-oscillator | 1× | 1 | · | part |
| 4 | Volume Oscillator | theremin-volume-oscillator | 1× | 1 | · | part |
| 5 | Mixer-Detector | theremin-mixer-detector | 1× | 1 | · | part |
| 6 | Oscillator Coil | theremin-oscillator-coil | 5× | 5 | · | part |
| 7 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 8 | Connector | connector | 2× | 2 | · | part |