NFA18SL307V1A45L Filters

Current:	100mA
Height:	0.026" (0.65mm)
Size / Dimension:	0.063" L x 0.032" W (1.60mm x 0.80mm)
Package / Case:	0603 (1608 Metric), Array, 10 PC Pad
Mounting Type:	Surface Mount
Voltage - Rated:	10V
Applications:	General Purpose
Operating Temperature:	-55°C ~ 125°C
ESD Protection:	No
Values:	--
Series:	EMIFIL®, NFA18
Resistance - Channel (Ohms):	--
Attenuation Value:	20dB @ 900MHz
Center / Cutoff Frequency:	300MHz (Cutoff)
Number of Channels:	4
Technology:	LC
Filter Order:	2nd
Type:	Low Pass
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The NFA18SL307V1A45L is an integrated EMI/RFI filter solution designed to suppress interference in a multi-mode device. It is designed for applications where both EMI/RFI filters and high attenuation levels are required. The device consists of three components: an EMI/RFI filter, a high-impedance amplifier, and a feedback diode. All three components work together to provide an effective solution to EMI and RFI issues.

Application Field

The NFA18SL307V1A45L is designed for applications that require high attenuation levels across a wide frequency range. These applications include:

• Broadband wireless systems
• RF amplifiers
• High speed logic circuitry
• High power switched mode power supplies and converters
• Cellular base stations
• Wireless access points
• Microwave and millimeter-wave communications systems
• Industrial radio systems

Working Principle

The NFA18SL307V1A45L works by combining the three components into one integrated solution. The EMI/RFI filter is responsible for attenuating EMI and RFI across the entire spectrum of frequencies. The high-impedance amplifier allows for high-level attenuation across a broad range of frequencies. The feedback diode helps to further suppress interference. The EMI/RFI filter is composed of a shielded inductor and capacitor assembly, which is designed to provide maximum attenuation at the EMI/RFI frequencies. The inductor is the primary source of attenuation, while the capacitor is used to provide additional attenuation across the low end of the frequency spectrum. The high-impedance amplifier is designed to provide additional attenuation below the frequency range of the EMI filter, allowing for even greater attenuation. The feedback diode serves to reduce the amount of interference that is passed through the device.

Conclusion

The NFA18SL307V1A45L is an integrated EMI/RFI filter solution designed to suppress interference in a multi-mode device. The device consists of three components: an EMI/RFI filter, a high-impedance amplifier, and a feedback diode, and is designed to provide high-level attenuation across a wide frequency range. The EMI/RFI filter is composed of a shielded inductor and capacitor assembly, while the high-impedance amplifier and feedback diode provide additional attenuation. The NFA18SL307V1A45L can be used in a variety of applications, including broadband wireless systems, RF amplifiers, high speed logic circuitry, high power switched mode power supplies and converters, cellular base stations, wireless access points, microwave and millimeter-wave communications systems, and industrial radio systems.

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