The HMC618LP3 is a high-performance GaAs pHEMT Low Noise Amplifier (LNA) originally developed by Hittite Microwave (now part of Analog Devices). Designed for 1.2 GHz to 2.2 GHz applications, this device delivers exceptional noise performance, high gain, and excellent linearity, making it ideal for modern RF receiver front-end designs.

　　With its compact 3×3 mm SMT QFN package, the HMC618LP3 is widely used in wireless infrastructure, base stations, and communication systems where performance and space efficiency are critical.

　　Key Features

　　Wide Frequency Range: 1.2 GHz to 2.2 GHz

　　Low Noise Figure: Typical 0.75 dB

　　High Gain: ~19 dB

　　Outstanding Linearity: +36 dBm Output IP3

　　High Output Power: +19 dBm P1dB

　　Single Supply Operation: +3V to +5V

　　Internally Matched to 50 Ohms

　　Compact Package: 3×3 mm QFN

　　Supply Current:89 – 118 mA

　　Applications

　　The HMC618LP3 is optimized for a wide range of RF and wireless applications:

　　 Cellular Base Stations (3G / 4G / LTE / WiMAX)

　　 RF Receiver Front-End Modules

　　 Repeaters and Small Cells

　　 Public Safety Communication Systems

　　Test and Measurement Equipment

　　Why Choose HMC618LP3?

　　Ultra-Low Noise for Maximum Sensitivity

　　With a noise figure as low as 0.75 dB, this amplifier significantly improves receiver sensitivity, making it ideal for weak signal environments.

　　High Linearity for Interference-Rich Environments

　　The +36 dBm OIP3 ensures excellent performance even in the presence of strong interfering signals.

　　Simplified Design Integration

　　The device is internally matched to 50Ω, reducing external component count and simplifying PCB design.

　　Flexible Bias Control

　　Adjustable bias current allows designers to optimize between power consumption and linearity performance.

　　Comparable & Alternative Models

　　When designing RF systems, you may also consider:

　　HMC617LP3 – Lower frequency alternative

　　HMC382LP3 – Comparable LNA solution

　　HMC375LP3 – Legacy option

　　Compared to these models, HMC618LP3 offers superior noise performance and balanced RF characteristics, making it a preferred choice for high-performance applications.

If you need to know more about and purchase ADI(Hittite Microwave Corporation) products, you can consult CORE customer service or fill out the RFQ.