HMC498-SX

Overview

The HMC498-SX is a GaAs pHEMT MMIC medium power amplifier designed for the 17 GHz to 24 GHz frequency range. It operates on a single +5 V supply and delivers 24 dB of gain. Key electrical parameters include a noise figure of 4.5 dB, a P1dB compression point of 25 dBm, and an OIP3 of 34 dBm. The device consumes 250 mA of current and dissipates up to 1.92 W of power. It is housed in a die package suitable for surface mount applications.

Feature Summary

• Utilizes GaAs pHEMT technology for high dynamic range performance
• Provides fixed 24 dB gain across the 17-24 GHz band
• Operates efficiently on a single +5 V power supply

Applications

• Point-to-point microwave radio links
• Point-to-multi-point radio systems
• Satellite communication ground stations

Procurement Notes

Verify component authenticity through authorized Analog Devices channels or certified distributors. Confirm that the received unit matches the HMC498-SX designation and packaging specifications. Check datasheet revisions for any updates to electrical characteristics or handling instructions prior to integration.

Selection Notes

Select this component for designs requiring moderate output power within the K-band spectrum. Ensure the application supports the required 250 mA bias current and thermal management for 1.92 W dissipation. Evaluate board layout requirements for the bare die package to maintain signal integrity at frequencies up to 24 GHz.

Part Context

This part belongs to the HMC498G series from Analog Devices. It serves as a medium power amplifier solution for wireless infrastructure. The device complements other RF components in systems needing reliable amplification with low noise characteristics in the millimeter-wave range.

Replacement Considerations

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