PEMI1QFN/LP,315 Filters

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EMI and RFI filters are widely used in different communication systems. Typically, these filters are made up of networks made up of LC and RC components that reduce interference with signals. The PEMI1QFN/LP, 315 is one such EMI/RFI filter used in communication systems. This article will explain the application field and working principle of the PEMI1QFN/LP, 315.

The PEMI1QFN/LP, 315 is a class A high frequency filter for high speed applications. It is designed to reduce EMI and RFI noise in low frequency (<500kHz) digital data signals. The filter is packaged in a miniature, surface mountable package and is able to be mounted directly onto the board without the use of external components. The PEMI1QFN/LP, 315 has minimal EMI leakage, making it suitable for any low power, high frequency digital communication system.

The PEMI1QFN/LP, 315 operates by using high speed LC and RC networks. The filter is made up of two LC filter networks. The first LC network filters low frequency (<500kHz) noise and the second LC network filters high frequency noise from 1 to 10MHz. The two filter networks are in parallel and connected by the filter\'s common terminals. The filter also has resistor networks connected in series with the LC networks to improve EMI and RFI filter performance. These resistor networks reduce both noise and signal loss. The filter also has two common-mode capacitors connected in parallel to the two LC networks. These common-mode capacitors help to reduce signal attenuation.

The PEMI1QFN/LP, 315 can be used in a variety of low frequency digital communication systems. It is suitable for use in radio frequency (RF) systems, Ethernet systems, as well as DSL/ADSL systems. This filter has been designed to work well in high power systems as well. This makes it an ideal choice for applications where a high level of noise rejection is required.

In summary, the PEMI1QFN/LP, 315 is an EMI/RFI filter that is designed to reduce interference with low frequency (<500kHz) digital data signals. It is made up of LC and RC networks, and has two common-mode capacitors for reducing signal attenuation. The PEMI1QFN/LP, 315 can be used in a variety of communication systems, and is suitable for use in high power applications where a high level of noise suppression is required.

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