| 摘要 |
PURPOSE:To secure the good noise limitation with the high frequency amplification maintained by winding the drainage coil to the magnetic element which is formed by putting the nonmagnetic substance into the magnetic field generated from the magnetic substance. CONSTITUTION:The magnetic field generated from magnetic substance 11 is bound into magnetic element 1, and nonmagnetic substance 12 is put into the magnetic field. Then drainage coil 2 is wound to element 1, and thus the element can function well as the noise limiter while performing the high frequency amplification. |
