QPA9831

RF Amplifiers Overview

The Qorvo QPA9831 is a hybrid push-pull RF amplifier module designed for CATV applications. It operates within a frequency range of 45 MHz to 1218 MHz and delivers a gain of 23 dB. The device utilizes GaAs MESFET, GaAs pHEMT, and GaN HEMT die technologies. It functions at a supply voltage of 24 V with a current consumption of 260 mA. The noise figure is specified at 5 dB. The component is housed in an SOT-115J package and supports screw mounting. It operates between -30°C and +100°C.

RF Amplifiers Feature Summary

• Hybrid push-pull architecture combining GaAs MESFET, GaAs pHEMT, and GaN HEMT die technologies
• High linearity performance suitable for demanding RF signal processing
• Broadband operation covering 45 MHz to 1218 MHz frequency spectrum

RF Amplifiers Applications

• CATV amplifier systems
• RF signal distribution networks
• Broadband communication infrastructure

RF Amplifiers Procurement Notes

Verify the specific datasheet version and ordering suffix when sourcing the QPA9831 from authorized distributors. Confirm that the SOT-115J package matches your PCB footprint requirements. Ensure thermal management solutions are adequate for the 24 V operating condition. Cross-reference manufacturer part numbers against distributor catalogs to avoid counterfeit components. Validate compliance with RoHS standards if required by your manufacturing specifications.

RF Amplifiers Selection Notes

Select the QPA9831 when broadband coverage up to 1218 MHz is required for CATV or similar RF applications. The hybrid push-pull design offers robust linearity compared to single-ended alternatives. Consider the 24 V supply requirement and 260 mA current draw during power budgeting. The SOT-115J package necessitates specific mounting considerations due to its screw-mount style. Evaluate thermal dissipation needs given the operational temperature range of -30°C to +100°C.

RF Amplifiers Part Context

The QPA9831 belongs to Qorvo's portfolio of high-performance RF amplifier modules. It integrates multiple semiconductor technologies including GaAs and GaN to achieve wideband operation. This hybrid approach allows for optimized gain and linearity across the cable TV spectrum. The component is engineered for reliability in commercial and industrial RF environments.

RF Amplifiers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult Qorvo directly for compatible alternatives or updated series replacements.