The HMC468LP3TR is a GaAs MMIC pHEMT Low Noise Amplifier (LNA) from Analog Devices (formerly Hittite Microwave Corporation). It is designed for use in various radio frequency (RF) and microwave receiver applications requiring low noise figure, high gain, and excellent linearity. This LNA is particularly suitable for improving the sensitivity and performance of communication, radar, and instrumentation systems.

Applications

• Wireless Communications: Used in base stations and mobile devices to enhance receiver sensitivity.
• Radar Systems: Employed in radar receivers to improve signal detection and range.
• Satellite Communications: Integrated into satellite receivers for low-noise amplification of weak signals.
• Test and Measurement Equipment: Utilized in spectrum analyzers and signal generators to improve measurement accuracy.
• Electronic Warfare Systems: Used in electronic warfare receivers to enhance signal detection capabilities.

Features

• Low Noise Figure: Provides a very low noise figure, minimizing the noise added to the received signal.
• High Gain: Offers high gain, amplifying weak signals for improved detection and processing.
• High Output IP3: Delivers high linearity, reducing distortion and improving signal quality.
• Single Positive Supply: Operates with a single positive supply voltage, simplifying power supply requirements.
• Internally Matched to 50 Ohms: Eliminates the need for external matching components, simplifying circuit design.
• 3x3 mm SMT Package: Compact surface-mount package for easy integration into space-constrained applications.

Benefits

• Improved Receiver Sensitivity: Low noise figure enhances the ability to detect weak signals.
• Increased System Range: High gain increases the effective range of communication and radar systems.
• Reduced Signal Distortion: High linearity ensures minimal signal distortion, preserving signal integrity.
• Simplified Design: Internal matching simplifies circuit design and reduces component count.
• Compact Footprint: Small package size allows for integration into space-limited applications.

Additional Details

The HMC468LP3TR operates over a wide frequency range, typically from 1.5 to 4 GHz, making it suitable for various applications. The LNA is designed to provide stable and reliable performance over temperature variations. The internal matching to 50 Ohms simplifies integration, reducing the need for external tuning.

Technical Specifications:

• Frequency Range: 1.5 to 4 GHz
• Gain: 18 dB (Typical)
• Noise Figure: 1.3 dB (Typical)
• Output IP3: +28 dBm (Typical)
• Supply Voltage: +5V
• Supply Current: 85 mA (Typical)
• Package: 3x3 mm SMT