LT5578IUH#PBF RF Front-End Module, Low Noise Mixer, 5mm x 5mm QFN Package

LT5578IUH#PBF Overview

The LT5578IUH#PBF is a high-performance, wideband downconverter designed for RF and microwave signal processing applications. It integrates a low noise amplifier (LNA), mixer, and oscillator driver into a compact package, enabling efficient frequency conversion from RF to IF bands. This device supports frequencies from 400 MHz to 3800 MHz, making it suitable for diverse wireless and communication systems. The LT5578IUH#PBF delivers excellent linearity and low noise figure, ensuring high signal fidelity and sensitivity in demanding industrial and commercial environments. Optimized for robust performance and easy integration, it is an ideal component for modern RF front-end designs. Available through IC Manufacturer.

LT5578IUH#PBF Technical Specifications

LT5578IUH#PBF Key Features

• Wide Frequency Coverage: Supports 400 MHz to 3800 MHz, enabling use across multiple RF bands for versatile wireless applications.
• Integrated LNA and Mixer: Combines low noise amplification and frequency conversion in a single IC, reducing board space and component count.
• High Linearity: Typical input IP3 of +13 dBm ensures excellent distortion performance, critical for high dynamic range systems.
• Low Noise Figure: Approximately 5 dB noise figure improves receiver sensitivity and system signal-to-noise ratio.
• Compact Package: 24-lead LQFP package facilitates easy PCB layout and thermal management in compact designs.
• Low Power Consumption: Operates at 25 mA supply current, supporting energy-efficient system design.
• Stable LO Drive Requirements: Requires +7 dBm LO drive, enabling compatibility with common oscillator sources.

LT5578IUH#PBF Advantages vs Typical Alternatives

This device offers superior linearity and low noise figure compared to typical downconverters, allowing for improved signal integrity and receiver sensitivity. Its integrated LNA and mixer reduce component count and board space, enhancing system reliability and simplifying design. The broad frequency range and low power consumption make it a flexible, cost-effective solution for RF front-end applications where performance and efficiency are paramount.

Typical Applications

• Wireless infrastructure equipment such as base stations and repeaters, where wideband frequency conversion and low noise performance are essential for reliable communication.
• RF test and measurement instruments requiring precise downconversion over a broad frequency range for accurate signal analysis.
• Military and aerospace communication systems demanding rugged, high-performance components for signal processing under varied operating conditions.
• Satellite and telemetry receivers that benefit from high linearity and low noise figure to maintain signal quality over long distances.

LT5578IUH#PBF Brand Info

The LT5578IUH#PBF is part of a family of RF downconverters engineered by a leading semiconductor manufacturer specializing in high-frequency integrated circuits. This product line is recognized for its innovation in delivering compact, highly integrated solutions that meet the stringent demands of modern wireless and industrial communication systems. The LT5578IUH#PBF continues this tradition with its robust design, broad frequency coverage, and proven reliability, making it a preferred choice for engineers designing next-generation RF front-end modules.

FAQ

What is the typical noise figure of this downconverter?

The typical noise figure is approximately 5 dB, which helps minimize signal degradation and improves the overall sensitivity of the RF receiver system.

Which frequency range does this device support?

This downconverter