HMC558ALC3B Overview
The HMC558ALC3B is a high-performance, GaAs MMIC low noise amplifier (LNA) designed for microwave and RF signal chain applications. Operating over a broad frequency range from 2 to 6 GHz, this device delivers excellent gain, low noise figure, and high linearity, making it ideal for sensitive receiver front ends. Its compact surface-mount package supports ease of integration into complex systems while maintaining thermal stability and reliability. Engineers and sourcing specialists will appreciate its combination of robust electrical performance and practical form factor, supporting demanding wireless infrastructure, radar, and communication systems. For detailed technical support and procurement, visit IC Manufacturer.
HMC558ALC3B Technical Specifications
| Parameter | Specification |
|---|---|
| Frequency Range | 2.0 ?C 6.0 GHz |
| Gain | 18 dB (typical) |
| Noise Figure | 1.6 dB (typical) |
| Input Return Loss | ?? 10 dB |
| Output Return Loss | ?? 10 dB |
| Output Power at 1 dB Compression (P1dB) | +15 dBm (typical) |
| Supply Voltage | +5 V DC |
| Supply Current | 35 mA (typical) |
| Package | 4×4 mm QFN Surface Mount |
HMC558ALC3B Key Features
- Wideband frequency coverage: Operates from 2 to 6 GHz, enabling versatile use across various microwave and RF bands without the need for multiple amplifiers.
- Low noise figure: Typical noise figure of 1.6 dB enhances receiver sensitivity, critical for improving signal quality in communication and radar systems.
- High gain performance: Provides a stable 18 dB gain to amplify weak signals effectively, reducing system noise and improving overall link budget.
- Compact QFN package: 4×4 mm surface-mount design reduces PCB space requirements and supports automated assembly, enhancing manufacturing efficiency.
- Robust linearity: +15 dBm output power at 1 dB compression ensures signal integrity under high input power conditions, minimizing distortion.
- Low current consumption: Typical 35 mA supply current optimizes power efficiency, beneficial for battery-powered and energy-sensitive applications.
- Excellent input/output match: Return loss ?? 10 dB minimizes signal reflections, contributing to stable and reliable system operation.
HMC558ALC3B Advantages vs Typical Alternatives
This amplifier offers a superior balance of noise figure, gain, and power consumption compared to typical LNAs in the 2?C6 GHz range. Its low noise figure and high gain improve sensitivity and signal fidelity, while the compact QFN package supports seamless integration into space-constrained systems. The device??s robust linearity and low current draw provide reliable performance with efficient power usage, making it a preferred choice over bulkier or less efficient alternatives in demanding RF front-end applications.
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Typical Applications
- Wireless communication infrastructure: Ideal for base station receivers and repeaters requiring low noise amplification across cellular and broadband frequencies.
- Radar systems: Enhances target detection sensitivity by amplifying weak return signals in both commercial and defense radar applications.
- Test and measurement equipment: Provides stable gain and low noise figure for signal conditioning in RF analyzers and spectrum monitors.
- Satellite communications: Supports uplink and downlink front-end amplification in satellite transceivers operating within the specified frequency range.
HMC558ALC3B Brand Info
The HMC558ALC3B is manufactured under the Hittite Microwave Corporation portfolio, known for its high-quality GaAs MMIC components tailored for demanding RF and microwave applications. This product family emphasizes performance, reliability, and ease of integration, serving engineers designing advanced communication systems worldwide. The