HMC545AETR MMIC Amplifier, Low Noise Gain, Surface-Mount Package

HMC545AETR Overview

The HMC545AETR is a highly linear, GaAs MMIC low noise amplifier (LNA) designed for wireless communication and radar systems operating in the 5 to 6 GHz frequency range. This amplifier offers a low noise figure of 1.3 dB and provides a high gain of 20 dB, making it ideal for applications requiring enhanced signal sensitivity and low distortion. Packaged in a compact 4×4 mm QFN, this device supports robust performance with a wide dynamic range and excellent input/output return loss. As a reliable component for front-end amplification, it helps optimize system-level noise performance and power efficiency. For more details, visit IC Manufacturer.

HMC545AETR Technical Specifications

HMC545AETR Key Features

• High linear gain: 20 dB gain enhances weak signal amplification with minimal distortion, crucial for sensitive receiver front ends.
• Low noise figure: 1.3 dB noise figure reduces system noise contribution, improving overall signal-to-noise ratio in RF systems.
• Wide dynamic range: Output P1dB of +17 dBm ensures strong signal handling without compression, supporting accurate signal processing.
• Compact QFN package: 4×4 mm footprint facilitates easy integration into space-constrained designs, enhancing system miniaturization.
• Robust input/output matching: Return losses of -12 dB minimize signal reflection, improving power transfer and system efficiency.
• Low current consumption: 65 mA typical current supports power-efficient operation for battery-powered or portable equipment.

HMC545AETR Advantages vs Typical Alternatives

This amplifier stands out with its combination of low noise figure and high gain at 5?C6 GHz frequencies, delivering superior sensitivity and linearity compared to typical LNAs. Its compact QFN package offers enhanced thermal performance and easy PCB integration. Additionally, its low current draw supports power-sensitive applications, making it a reliable and efficient choice for demanding wireless and radar front-end designs.

Typical Applications

• Wireless communication systems requiring low noise amplification in the 5 to 6 GHz band, such as point-to-point radios, providing improved receiver sensitivity and link reliability.
• Radar systems operating in C-band frequencies benefiting from linear amplification to maintain signal integrity and target detection accuracy.
• Test and measurement equipment where precise low noise gain is essential to accurately characterize RF signals.
• Satellite communication ground stations that demand compact, high-performance LNAs with stable gain and low noise figures for signal conditioning.

HMC545AETR Brand Info

The HMC545AETR is part of a premium line of GaAs MMIC amplifiers known for their high performance and reliability in RF and microwave applications. Designed by a leading semiconductor manufacturer specializing in advanced RF components, this device reflects the brand??s commitment to innovation, quality, and support for critical industrial and communications infrastructure. The product is rigorously tested to meet stringent specifications ensuring consistent performance in challenging environments.

FAQ

What frequency range does the amplifier support?

The amplifier operates across the 5.0 to 6.0 GHz frequency range, making it suitable for C-band wireless communications and radar applications where this frequency band is commonly used.

What is the typical noise figure and why is it important?

The typical noise figure is 1.3 dB, which indicates very low internal noise contribution.