KNA16100C45UA7TS Filters

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Electromagnetic interference (EMI) and radio frequency interference (RFI) cause problems when signals from one electronic device interact with other electronic devices. EMI/RFI Filters, for example KNA16100C45UA7TS, are used to protect electronic circuits from the damaging effects of electromagnetic and radio frequency interference. KNA16100C45UA7TS are low pass filters made up of a combination of capacitors and inductors. They come in various combinations and can be designed to pass a specific range of frequencies.

Application Fields

KNA16100C45UA7TS filters are typically used in consumer and professional electronics, broadcast and communications systems, medical electronics, automotive electronics and industrial and aerospace systems. In telecommunications, they are commonly used in receivers, a/d converters, AB amplifier circuits, broadcasting voice and data transmission equipment, and are present in networks such as data centers, wireless and mobile communications systems.

They are also widely used to control the spread of various forms of electromagnetic emissions, including those generated by switching power supplies, motor drives, fluorescent lighting, computer and telecommunications systems and other digital logic circuitry. They are also used to protect sensitive medical equipment from external sources of interference. In automotive electronics, they are used to reduce emissions of various engines, drivetrains and electronic systems such as antilock brake systems, transmission control systems, electronic throttle control systems and hybrid vehicle systems.

Working Principle

KNA16100C45UA7TS filters are used to reduce the amount of electromagnetic or radio frequency interference that enters or leaves a system. They achieve this by blocking the frequencies outside of the designed pass band and allowing only the frequency range within to pass through. The two main components inside an EMI/RFI filter are capacitors and inductors. Capacitors are devices that store electrical energy. Inductors are loops of wire that store energy in the form of a magnetic field. The combination of the two devices creates a low pass filter that blocks out all but the frequency range within its designed pass band.

When designing an EMI/RFI filter, the frequency response is determined by the selection of capacitors and inductors and their arrangement in the circuit. The combination that provides the best response is determined by analyzing the frequency response of the filter. The filter response depends on the ratio of the values of the capacitors and inductors used and their arrangement in the circuit. This ratio determines how the filter affects the frequency spectrum.

KNA16100C45UA7TS filters are designed to have a smooth frequency response, with a low ripple value at the extreme ends of the pass band. They can also be designed to reject narrowband and extremely low frequency signals, usually in the range of 100 Hz - 10kHz. The effect of the filter also depends on the size of the load used. The larger the load, the larger the size of the filter, which in turn affects its frequency response.

KNA16100C45UA7TS filters are designed to protect sensitive electronic equipment from external sources of interference. They reduce the amount of interference that enters or leaves a system, and provide better system performance with lower power consumption. The combination of capacitors and inductors inside them creates a low pass filter that blocks all but the frequency range within its designed pass band.

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