QM55003SR

RF Front End (LNA + PA) Overview

The QM55003SR is a hybrid, multi-band RF front-end module designed for NB-IoT and Cat-M1 applications. It integrates low-noise amplifiers (LNA) and power amplifiers (PA) to support mid-band and low-band operations. The component utilizes a 20-WFQFN exposed pad package for board mounting. It features an adaptive biasing scheme to optimize efficiency across varying output power levels. The device operates within standard cellular frequency ranges for IoT connectivity.

RF Front End (LNA + PA) Feature Summary

• Integrates LNA and PA functions in a single hybrid module
• Supports both mid-band and low-band cellular frequencies
• Incorporates adaptive biasing for improved power efficiency
• Designed specifically for NB-IoT and Cat-M1 standards

RF Front End (LNA + PA) Applications

• NB-IoT transmitter modules
• Cat-M1 wireless connectivity devices
• Low-power cellular IoT sensors
• Smart metering equipment

RF Front End (LNA + PA) Procurement Notes

Verify the specific ordering suffix SR against the manufacturer's current datasheet to ensure compatibility with required packaging formats. Confirm that the 20-WFQFN package dimensions align with the target PCB footprint. Check RoHS compliance status and lead times through authorized distributors, as availability may vary by region. Ensure thermal management requirements are met during integration.

RF Front End (LNA + PA) Selection Notes

Select this module when designing compact IoT devices requiring integrated transmit functionality for NB-IoT or Cat-M1 networks. The hybrid architecture reduces board space compared to discrete solutions. Consider the adaptive biasing feature for battery-operated applications where power efficiency is critical. Verify frequency band support matches regional regulatory requirements for the target deployment area.

RF Front End (LNA + PA) Part Context

The QM55003SR belongs to Qorvo's portfolio of RF front-end solutions tailored for emerging cellular IoT standards. It complements other Qorvo components like the QPQ5500 filter series by providing complete transmit chain solutions. This module addresses the industry demand for high integration and small form factors in connected devices.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Qorvo official resources for potential cross-reference options if this specific variant is unavailable.