Magnetic component sensor
A technology of magnetic component sensor and electromagnetic method, which is applied in the field of frequency domain detection to achieve the effects of high sensitivity, strong versatility and small size
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[0023] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0024] A coil 2 is wound outside the amorphous alloy magnetic core 1, and the coil 2 is composed of a receiving coil 7 and a feedback compensation coil 8. The coil 2 is connected to the processing compensation circuit 3, and the processing compensation circuit 3 is placed in the processing circuit shielding shell 5 to prevent shielding The electromagnetic influence of the compensation circuit 3 on the coil 2 is dealt with. The output of the sensor is sent out by the signal output joint 4. The elements of the sensor and the processing circuitry are placed in the sensor housing 6 . Processing compensating circuit 3 is to be connected with main amplifying circuit 10 by preamplifying circuit 9; One way of main amplifying circuit 10 is connected with point b of changeover switch 12 through frequency compensating circuit 11; At point a, the output amplifier circu...
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