HMC997LC4

Overview

The HMC997LC4 is a GaAs variable gain amplifier from Analog Devices, operating in the 17 GHz to 27 GHz frequency range. It features a nominal gain of 20 dB and a noise figure of 4 dB. The device requires a 5 V supply with a typical current consumption of 170 mA. Key performance metrics include a P1dB compression point of 24 dBm and an OIP3 of 31 dBm. It utilizes a QFN-24 surface-mount package and supports operation between -40°C and +85°C.

Feature Summary

• Integrated variable gain control for flexible signal level management
• High linearity performance suitable for radar applications
• GaAs technology ensures reliable wideband amplification

Applications

• Radar systems
• Electronic warfare equipment
• Test and measurement instruments

Procurement Notes

Verify component authenticity through authorized channels due to limited availability status. Confirm RoHS compliance details and specific lot traceability requirements before integration. Ensure storage conditions account for moisture sensitivity classification to maintain device integrity during assembly processes.

Selection Notes

Evaluate thermal dissipation capabilities as power consumption reaches 920 mW. Verify interface compatibility for gain control signals. Assess PCB layout constraints for the QFN-24 package to ensure optimal RF performance and thermal management within the specified temperature range.

Part Context

This component belongs to the HMC997G series, designed for high-frequency microwave applications. It serves as a medium-power amplifier solution for systems requiring precise gain adjustment across the K-band spectrum. The device complements other RF front-end components in complex signal processing chains.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.