Noise PSDs at various charge biases
| Series used: |
| Series | Side 1 bias | Side 2 bias |
| 07151020_0615 | -8 V | 8 V |
| 07151020_0514 | -6 V | 6 V |
| 07151016_1409 | -4 V | 4 V |
| 07151019_0628 | -2 V | 2 V |
| 07151020_0414 | 0 V | 0 V |
| 07151020_0013 | 2 V | -2 V |
| 07151020_0113 | 4 V | -4 V |
| 07151020_0213 | 6 V | -6 V |
| 07151020_0313 | 8 V | -8 V |