| Figure 2 |
 |
| In a flux-gate magnetometer, a drive signal swings the core in and out of saturation, and an external magnetic field shifts the hysteresis curve of the core, causing a second-harmonic signal to appear in the pickup coil. |
back |
| Figure 2 |
|
| In a flux-gate magnetometer, a drive signal swings the core in and out of saturation, and an external magnetic field shifts the hysteresis curve of the core, causing a second-harmonic signal to appear in the pickup coil. |
back |