ELK-E470FA Filters

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EMI/RFI Filters (LC, RC Networks) are essential components of any electrical system that is used to filter high frequency electrical signals and noises and to guard against damaging interference or interference generated by the system itself. The ELK-E470FA is an EMI/RFI filter designed to provide a high-frequency passive blocking and filtering solution for any system.

The ELK-E470FA employs a low impedance/impedance design that offers excellent use in high frequency applications. The filter utilizes a combination of inductors and capacitors to filter out unwanted signals while allowing the desired signals to pass through to its destination. The filter is designed to generate a low-frequency cutoff that can be adjusted by the user according to the application requirements. The filter also provides a wide band gap for the transmission of high-frequency signals without allowing for significant signal degradation.

The ELK-E470FA employs an insertion loss of 0.35 dB (typical) and a return loss of 18 dB (typical) at 10GHz. The frequency range spans from DC to 10GHz for low frequency applications and from 20GHz to 40GHz for high-frequency applications. The input and output VSWR is 1:1. The filter features an Operating Temperature Range of -55°C to +125°C and is rated for a Maximum Continuous Power of 1.5W.

The working principle employed by the ELK-E470FA is primarily based on the combination of inductors and capacitors. An inductor is a passive electrical component that stores energy in the form of a magnetic field. This magnetic field can be used to interact with a current in a circuit. A capacitor is a passive electrical component that stores energy in the form of an electric field. This electric field can be used to oppose the flow of current.

Within the ELK-E470FA, the inductors and capacitors are connected together in parallel and/or series configurations. These configurations create a filter circuit, which is used to pass or reject certain frequencies depending on the type of filter that is being used. For example, a low-pass filter will pass low frequency signals but will reject high frequency signals. Similarly, a high-pass filter will pass high frequency signals but reject low frequency signals.

The ELK-E470FA is an ideal EMI/RFI filter for any application that requires a high-frequency passive blocking and filtering solution. The filter is designed to not only filter out unwanted signals but also protect the system from any interference generated from the system itself. The filter also provides a wide frequency range, low-frequency cut-off, high insertion loss, and low return loss.

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