CM1492-06DE

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Electromagnetic interference (EMI) and radio frequency interference (RFI) filters are mechatronic components that are used to prevent the signal from being sent and received by unwanted sources outside a system. One type of EMI/RFI filter is the CM1492-06DE, which is a ceramic capacitor-inductor combination filter (CLC) device designed for automotive applications.

The CM1492-06DE features a two-section filter topography with two piezoelectric ceramic capacitors and two edge-wound toroidal inductors, each section of which is connected together directly by a coupling capacitor. This filter is designed to reduce the intermodulation distortion between cars and mobile phones, providing a high-quality signal for effective communication.

The filter includes two piezoelectric ceramic capacitors and two edge-wound inductors in order to provide a broad frequency response and excellent EMI/RFI performance. The CLC filter structure helps prevent the signal leakage from the filter, while the EMI/RFI blocking technology helps prevent interference from outside sources. The frequency range for this type of filter is from 300 kHz to 5 GHz, and the inductance value ranged from 0.10 to 0.30 μH for the CM1492-06DE.

The working principle of the CLC filter is that the piezoelectric ceramic capacitor acts as a low-pass filter, while the edge-wound toroidal inductor acts as a high-pass filter. The combination of the two filters results in a high-performance, low-loss filter that prevents the interference from outside sources from entering the system. There are also additional capacitors in the circuit, which help to further reduce the noise and improve the signal quality.

The CM1492-06DE is primarily used in automotive applications, such as vehicle-to-mobile phone radios and hands-free radios, since it provides a reliable, high-quality signal for communication with minimal interference. It is also suitable for high-end audio equipment, such as radios and amplifiers, since it can prevent interference from external sources.

In conclusion, the CM1492-06DE is a ceramic capacitor-inductor combination (CLC) filter device that is used for automotive applications. The filter features two piezoelectric ceramic capacitors and two edge-wound toroidal inductors, which act together to reduce intermodulation distortion and provide high-quality signal transmission with minimal interference. This type of filter is also suitable for high-end audio equipment, since it is capable of preventing interference from external sources.

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