QPL1820SR

RF Amplifiers Overview

The QPL1820SR is a GaAs pHEMT differential RF amplifier designed for CATV applications. It operates within a frequency range of 50 MHz to 1.8 GHz and supports supply voltages of 5 V or 8 V. The device provides approximately 21 dB to 22 dB of flat gain with a low noise figure of 3.5 dB. Key performance metrics include a P1dB compression point of 24 dBm and an OIP3 of 42 dBm. It features -20 dB input return loss and 21 dB isolation, housed in a 12-MCM (5x5) SMD package.

RF Amplifiers Feature Summary

• Utilizes ultra-linear cascode GaAs pHEMT technology for high linearity
• Provides differential signal amplification with balanced output characteristics
• Engineered for low noise figure performance in wideband RF paths

RF Amplifiers Applications

• CATV distribution networks
• RF signal conditioning stages
• Broadband communication systems

RF Amplifiers Procurement Notes

Verify the specific datasheet revision and ordering suffixes to ensure compatibility with current manufacturing standards. Confirm that the 12-MCM package dimensions align with the target PCB footprint. Check for any recent product change notifications regarding material composition or testing frequencies. Ensure that the evaluation boards are available if initial circuit validation is required before full-scale production deployment.

RF Amplifiers Selection Notes

Select this component when a differential architecture is required to improve common-mode rejection and reduce electromagnetic interference in the 50 MHz to 1.8 GHz band. The GaAs pHEMT process offers a balance between power consumption and linearity suitable for CATV infrastructure. Consider the thermal dissipation capabilities of the 12-MCM package relative to the ambient operating conditions of the final assembly environment.

RF Amplifiers Part Context

This part belongs to Qorvo's portfolio of broadband RF amplifiers optimized for cable television and wireless infrastructure. It complements other single-ended and differential variants by offering a specific gain profile tailored for mid-band frequencies. The device integrates directly into existing RF front-end designs without requiring complex impedance matching networks due to its inherent 50-ohm interface characteristics.

RF Amplifiers Replacement Considerations

QPL1822SR