HMC311LP3

Overview

The HMC311LP3 is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) Gain Block MMIC amplifier designed for surface-mount applications. It operates from DC to 6 GHz with a typical gain of 14 dB and a noise figure of 4.5 dB. The device requires a 5 V supply and draws approximately 74 mA. Key performance metrics include a P1dB compression point of 13 dBm and an OIP3 of 32 dBm. It is housed in a compact 3x3 mm QFN-16 package, suitable for wireless infrastructure and test equipment.

Feature Summary

• Utilizes GaAs InGaP HBT technology for high-performance RF amplification
• Operates over a wide frequency range from DC to 6 GHz
• Integrated gain block design simplifies circuit matching requirements
• Compact 3x3 mm QFN package facilitates dense PCB layouts

Applications

• Wireless infrastructure base stations
• Point-to-point microwave radio links
• Test and measurement instrumentation
• Satellite communication systems

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors due to the part's end-of-life status. Confirm that the specific suffix matches the required packaging format, as variations exist between cut tape and reel options. Ensure compliance with RoHS3 standards if environmental regulations apply to the final assembly. Cross-reference the datasheet revision date against manufacturing records to guarantee technical accuracy.

Selection Notes

Select this component when a broadband DC-to-6 GHz gain stage is required with moderate power output. The InGaP HBT process offers a balance of linearity and noise performance suitable for general-purpose RF chains. Consider the 5V supply requirement and thermal dissipation capabilities within the QFN footprint during board layout. Evaluate alternative packages if higher power handling or different pin configurations are necessary for the specific application.

Part Context

The HMC311LP3 belongs to the HMC311 series of gain block amplifiers manufactured by Analog Devices. This series leverages advanced GaAs InGaP HBT technology to provide reliable RF signal amplification across microwave frequencies. The component is part of a broader portfolio of wireless and RF integrated circuits designed for robust performance in demanding communication environments.

Replacement Considerations

The HMC311LP3E is a verified equivalent part number within the same product family. Both variants share identical electrical specifications and functional characteristics. Designers may substitute one for the other without modifying the circuit schematic, provided the package dimensions remain compatible with the existing PCB footprint.