EXC-X4CT900X Filters

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Common Mode Chokes (CMCh) are an electronic device used for suppressing or restricting the common-mode current between two or more different circuits. The EXC-X4CT900X from Exceltronics is a type of common mode choke specifically designed for signal processing applications such as Audio/Video signal lines and high speed communication devices.

The EXC-X4CT900X offers a high impedance to both the differential and common-mode currents, thus providing a very good current suppression capability. The device has an operating temperature range of -40°C to 85°C and can withstand up to 10V reverse voltage. It also supports a wide range of frequencies, up to 250 MHz, and has a low insertion loss of 0.2dB.

The EXC-X4CT900X is typically used in applications such as active filtering, line regulation, and noise suppression. The device is also suitable for providing EMI/RFI protection for sensitive equipment such as computers, home theatre systems, and audio/video equipment. It can also be used in audio/video signal processing systems and high speed communication devices.

The working principle of the EXC-X4CT900X use the principle of inductance to achieve its desired result. The device is made up of a combination of windings, with each winding able to accurately control the current passing through it. When a current passes through the windings, an electromagnetic field is created which acts to counteract and reduce the amount of current that can pass through the device. This is due to the inductance property of the windings, which induces a high resistance to current passing through it.

The inductance of each winding is regulated by the number of windings present on the device, as well as the number of turns in each winding and the type of material used for the winding core. The higher the number of windings and the larger the number of turns, the higher the inductance of the device. This is because the more winding turns, the more electromagnetic fields are created, thus increasing the effectiveness of the device in suppressing current.

In summary, the EXC-X4CT900X is a common mode choke specifically designed for signal processing applications. It is capable of providing EMI/RFI protection for sensitive equipment and can withstand up to 10V reverse voltage. It works by using the principle of inductance, whereby the number of windings and turns of the device increases the inductance, thus increasing the device’s effectiveness in suppressing current.

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