RF Amplifier IC 5G, TDD 600MHz ~ 2.8GHz 20-QFN (4x4)

The QPA9442TR13 is a Qorvo high-linearity RF pre-driver amplifier designed for wireless infrastructure, cellular communication systems, and high-performance RF transmit chain applications. It is intended for use in systems requiring wideband operation, strong linearity, stable gain performance, and compact surface-mount integration. The device is suitable for 5G, TDD, FDD, mobile infrastructure, massive MIMO, and general-purpose wireless designs.

Manufacturer Part Number: QPA9442TR13

Manufacturer: Qorvo

Device Category: RF and Wireless Integrated Circuit

Device Type: RF Amplifier

Functional Type: High-Linearity RF Pre-Driver Amplifier

Application Class: Wireless Infrastructure and 5G RF Front-End

The device operates as a transmit-chain pre-driver amplifier, providing RF signal amplification before the final power amplification stage. It is designed to deliver high gain and high output linearity while supporting cellular-band tuning requirements. The amplifier includes shutdown control through a dedicated power-down function, allowing system-level power management in RF transmit applications.

The QPA9442TR13 supports wideband RF amplification for cellular and wireless infrastructure applications. It provides high linearity performance, strong compression-point capability, and output third-order intercept performance suitable for demanding transmit signal chains. The device is optimized for applications where signal quality, gain stability, and RF output performance are critical.

The device is designed for single-supply operation and is suitable for low-voltage RF circuit designs. It requires proper RF matching, biasing, grounding, and thermal layout practices to achieve the intended performance. The part should be used according to the manufacturer’s recommended operating conditions and reference design guidance.

The component is supplied as a surface-mount RF integrated circuit in a compact QFN package with exposed pad construction. The package is intended for high-frequency printed circuit board layouts requiring controlled impedance routing, short RF signal paths, proper ground via placement, and effective thermal connection to the PCB ground plane.

The amplifier includes internal RF overdrive protection and internal DC overvoltage protection. It also includes a DC power shutdown feature for power control and system-level enable or disable operation.

The QPA9442TR13 is suitable for 5G base station equipment, massive MIMO radio systems, mobile infrastructure, TDD and FDD transmit systems, cellular RF front-end designs, general-purpose wireless equipment, and RF driver amplifier stages requiring high linearity and compact board-level integration.

The device should be implemented with proper RF layout techniques, impedance-controlled traces, recommended matching networks, adequate grounding, and appropriate thermal management. Performance may vary depending on frequency tuning, PCB design, matching component selection, supply quality, and operating conditions.

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