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What are the advantages of amorphous nanocrystalline materials in the field of high frequency
time:2025-02-14 15:33:07 Click count:67

Amorphous nanocrystalline materials have many application advantages in high frequency fields, mainly reflected in high magnetic permeability, low loss, high saturation magnetic induction strength, good frequency stability, etc. The following is a specific introduction: 

Ⅰ. High magnetic conductivity Rate 

1. Enhanced signal transmission and reception: 

In high frequency communication, high magnetic permeability enables amorphous nanocrystalline materials to more effectively gather and guide magnetic fields, enhancing the transmission and reception capabilities of signals, such as in high-frequency magnetic antennas. It can improve the signal sensing sensitivity, enable the device to receive weaker high-frequency signals, and expand the communication coverage range. 

2. Optimize inductor performance: 

When used to manufacture high-frequency inductors, high magnetic permeability can achieve a larger inductor value in a smaller volume, which helps to improve the inductor's hindering effect on high-frequency current and stabilize the high in the circuit. Frequency signals reduce signal fluctuations and improve circuit performance. 

Ⅱ. Low loss 

1. Reduce energy loss:

Under high frequency conditions, the hysteresis and eddy current losses of amorphous nanocrystalline materials are relatively low. This means that during the energy conversion and transmission process, energy losses caused by heating and other reasons can be reduced, and energy utilization efficiency can be improved. For example, in high-frequency transformers, the power conversion can be made more efficient, the heating and the energy consumption of the equipment can be reduced. 

2. Reduce signal distortion: 

The low loss characteristics help maintain signal integrity, reduce attenuation and distortion of signals during transmission and processing, enable high-frequency signals to be transmitted and processed more accurately, and improve communication quality and data transmission. accuracy. 

Ⅲ. High saturation magnetic induction strength 

1. Improve power capacity: 

High saturation magnetic induction strength enables amorphous nanocrystalline materials to withstand greater magnetic field strength without saturation in high-frequency and high-power applications, thereby increasing the power capacity of the equipment. For example, in high-frequency power amplifiers, greater power output can be achieved to meet the needs of modern communication systems for high power. 

2. Reduce the device volume: 

Under the same power requirements, using the high saturation magnetic induction strength of amorphous nanocrystalline materials, smaller magnetic cores can be used to achieve the same magnetic performance, which helps to miniaturize and lightweight the device. , This is of great significance in areas such as portable electronic equipment and aerospace where strict requirements on the volume and weight of equipment are required.

Ⅳ. Good frequency stability 

1. Stable signal processing: 

The magnetic properties of amorphous nanocrystalline materials have good stability over a wide frequency range, which can ensure that the magnetic characteristics will not follow the high-frequency signal processing process. The frequency changes significantly, ensuring that the equipment can operate stably at different frequencies, and improving the reliability and adaptability of the equipment. 

2. Accurate filtering: 

In high-frequency filters, good frequency stability helps to achieve accurate frequency selection and filtering functions, which can accurately filter unnecessary high-frequency interference signals, retain useful signals, and improve signal purity. and quality. 

Ⅴ. Fast response characteristics 

1. High-speed signal processing: 

Amorphous nanocrystalline materials can quickly respond to changes in high-frequency signals. During the high-speed processing of signal modulation, demodulation, switching, etc., it can quickly switch the magnetic state to achieve high-frequency The rapid processing and control of signals meet the requirements of modern communication and electronic systems for high-speed data transmission and processing. 

2. Improve the system operation speed: 

In high-frequency digital circuits and logic circuits, its fast response characteristics help improve the system operation speed and processing efficiency, reduce signal delay and waiting time, and improve the performance of the entire system. 

VI. Good anti-electromagnetic interference performance 

1. Reduce external interference: 

Amorphous nanocrystalline materials can effectively suppress the intrusion of external high-frequency electromagnetic interference signals, protect the circuits and signals inside the equipment from interference, and ensure that the equipment is in a complex electromagnetic environment. It can work normally, for example in military communications and avionics equipment, and can improve the anti-interference and survivability of the equipment. 

2. Reduce its own electromagnetic radiation: 

At the same time, the electromagnetic radiation generated by electronic components made of amorphous nanocrystalline materials is also low, reducing interference to other surrounding equipment and improving the electromagnetic compatibility of the entire system.


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