Software Reference
The following table provides information about which operators correspond to which hardware and the "Shift" and "Scale" values to convert the ADC value to μV. For more information, refer to the Basic Ephys Data Processing in Bonsai.
| Hardware | Configuration Operator | Ephys Device | Ephys Data Operator | Data Frame | Shift | Scale |
|---|---|---|---|---|---|---|
| Headstage64 | ConfigureHeadstage64 | Intan Rhd2164 (amplifier channels) | Rhd2164Data | Rhd2164DataFrame | -32768 | 0.195 |
| HeadstageRhs2116 | ConfigureHeadstageRhs2116 | Intan Rhs2116 | Rhs2116Data | Rhs2116DataFrame | -32768 | 0.195 |
| NeuropixelsV1e |
ConfigureNeuropixelsV1eHeadstage | Neuropixels 1.0 probe (AP) | NeuropixelsV1eData | NeuropixelsV1DataFrame | -512 | \(1.2e6/1024/gain\)* |
| NeuropixelsV2e |
ConfigureNeuropixelsV2eHeadstage | Neuropixels 2.0 probe | NeuropixelsV2eData | NeuropixelsV2eDataFrame | -2048 | 3.05176 |
| NeuropixelsV2eBeta |
ConfigureNeuropixelsV2eBetaHeadstage | Neuropixels 2.0 Beta probe | NeuropixelsV2eBetaData | NeuropixelsV2eBetaDataFrame | -8192 | 0.7629 |
* The Neuropixels 1.0 probes have selectable gain which has an effect on the multiplier for scaling the signal to μV, so the \(1.2e6/1024/gain\) formula must be used to calculate the correct "Scale" value. The Gain is set by the user in the Configuration GUI of that headstage.