HMC498LC4TR-R5

Overview

The HMC498LC4TR-R5 is a medium power RF amplifier IC from Analog Devices Inc., designed for VSAT applications within the 17 GHz to 24 GHz frequency range. It utilizes GaAs technology and features a 24-pin QFN (4x4 mm) surface-mount package. Key electrical parameters include a gain of 21 dB, a noise figure of 4.5 dB, and a P1dB compression point of 25.5 dBm. The device operates on a 5 V supply with a current consumption of 250 mA.

Feature Summary

• Monolithic microwave integrated circuit constructed using GaAs technology
• Optimized for medium power amplification in satellite communication systems
• Designed for high linearity performance with specified third-order intercept point

Applications

• VSAT uplink and downlink amplifiers
• Point-to-point microwave radio links
• Satellite communication ground stations

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm that the received part matches the specific HMC498LC4TR-R5 designation, noting that suffixes may indicate reel packaging variations. Ensure handling procedures comply with moisture sensitivity level requirements during storage and assembly processes.

Selection Notes

Select this component when designing circuits requiring stable gain and low noise in the K-band spectrum. Consider the thermal dissipation capabilities of the QFN package and ensure adequate PCB grounding for optimal RF performance. Evaluate system requirements against the specified 250 mA supply current to manage power budget constraints effectively.

Part Context

This part belongs to the HMC498 series of RF amplifiers, which are engineered for robust performance in wireless infrastructure. It serves as a critical active element in signal chains where linear amplification is required without significant distortion, supporting reliable data transmission in high-frequency communication protocols.

Replacement Considerations

Direct substitutes include the HMC498LC4 and HMC498LC4TR variants, which share identical functional specifications but differ in shipping configuration. Verify pinout compatibility and thermal characteristics before integrating alternative packaging options into existing designs.