CMS2-1-R Filters

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Common Mode Chokes (CMCs) are special designs intended to suppress the common-mode current that would otherwise flow through the loop formed by a twisted pair cable carrying an electrical signal. CMCs come in many different types, sizes, and configurations but the CMS2-1-R is a type of common mode choke which provides adjustable attenuation levels in order to minimize interference with other network devices. The CMS2-1-R is designed for a variety of applications, including industrial, audio/video, and telecom.

In essence, the CMS2-1-R is an adapter that serves as a filter between two pieces of electrical equipment. It does not require a separate power source, and its components are integrated into the adapter itself. It works by isolating the electrical signals passing through it in order to reduce the amount of interference caused by the flow of the common-mode current.

The components of the CMS2-1-R are specifically designed for optimal electrical performance. It is equipped with two layers of filtering – an inner core winding, and an outer winding – which work together to filter out any unwanted common-mode current from the electrical signal. The inner core winding is used for high-frequency attenuation, while the outer winding is used to attenuate the low-frequency portion of the signal. In addition, the CMS2-1-R also features shielding and ferrite beads that increase its ability to block out electromagnetic interference (EMI) radiation from other nearby electrical equipment or computers.

The working principle of common mode chokes, and particularly of the CMS2-1-R, can be broken down into four main stages: inductance, capacitance, attenuation, and isolation. The inductance stage works by utilizing the ferrite beads to create an inductance in the current path. This inductance ensures that the signal is filtered out to a certain level. The capacitance stage works by using capacitors to further filter out the signal. The attenuation stage works by using resistors to reduce the signal level. Finally, the isolation stage works by using a Faraday shield to ensure that the signal is completely blocked from outside interference.

CMS2-1-R has a wide range of applications including audio/video, industrial, and telecom. In the audio/video industry, the CMS2-1-R is used to filter out any unwanted interference between audio and video equipment. It is also used in industrial settings to suppress the current in twisted pair cables, thus providing reliable data transmission. In the telecom field, it is utilized to reduce the amount of electrical noise and signal interference present between different telephone lines and other telecommunications equipment.

In conclusion, the CMS2-1-R is a specialized common mode choke designed to filter out the unwanted common-mode current flowing through electrical signals. Its components are specifically designed for optimal performance, and the working principle is based on inductance, capacitance, attenuation, and isolation. It is commonly used in a variety of applications, including audio/video, industrial, and telecom.

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