HSP48901GC-20

Overview

The HSP48901GC-20 is a high-performance monolithic microwave integrated circuit (MMIC) manufactured by Harris Corporation, operating as a single-chip receiver front-end module. Designed for X-band applications, this component integrates critical signal processing functions including low-noise amplification, frequency conversion, and intermediate frequency output within a compact surface-mount package. The device utilizes gallium arsenide (GaAs) MESFET technology to achieve superior noise figure and linearity characteristics essential for radar and electronic warfare systems. It typically operates with a supply voltage of 5 volts and provides fixed gain specifications optimized for direct coupling to downstream analog-to-digital converters or mixer stages in complex communication architectures.

Feature Summary

• Integrated single-chip architecture combining low-noise amplifier and down-conversion mixer functions
• High linearity performance utilizing advanced GaAs MESFET process technology
• Optimized impedance matching for direct interface with standard RF system components
• Compact surface-mount packaging designed for high-density board layouts

Applications

• Military radar receiver front-ends
• Electronic support measures (ESM) systems
• Satellite communication ground stations
• Direction finding equipment

Procurement Notes

Verify the specific suffix codes on the component marking against official Harris Corporation documentation to confirm exact frequency ranges and pin configurations. Ensure that any replacement parts maintain compatibility with existing thermal management solutions and power supply rails. Request full traceability documentation and original manufacturer certificates when sourcing through authorized distributors to guarantee authenticity and performance integrity.

Selection Notes

Select this component based on its specific X-band operational requirements and integration capabilities within existing receiver chains. Evaluate the trade-offs between the integrated MMIC solution and discrete component designs regarding board space constraints and overall system noise performance. Confirm that the required gain and dynamic range specifications align with the system's sensitivity targets before finalizing the bill of materials.

Part Context

This part belongs to the HSP489xx series of MMICs developed for defense and aerospace applications. These components were engineered to replace bulky discrete transistor assemblies with reliable solid-state alternatives. The series represents a generation of high-frequency integrated circuits focused on miniaturization and improved reliability for harsh environmental conditions typical in military platforms.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in verified sources. Engineering change notices should be consulted for any legacy replacements. Direct cross-referencing requires validation against current Harris Corporation or L3Harris Technologies component lists.