QPB8857TR13

RF Amplifiers Overview

The QPB8857TR13 is a GaAs pHEMT/MESFET RF amplifier IC designed for CATV applications. It operates within a frequency range of 42 MHz to 1.218 GHz and features a 75-ohm impedance architecture. The device provides a gain of 28 dB with a noise figure of 4.5 dB. It requires a 24 V supply voltage and draws 440 mA of operating current. Key performance metrics include a P1dB compression point of 30 dBm, an OIP3 of 48 dBm, and an input return loss of 18 dB. Isolation is rated at -42 dB. The component is housed in a QFN-40 package (5x7 mm) and supports surface mount installation. Operating temperatures range from -40°C to +90°C.

RF Amplifiers Feature Summary

• Integrates GaAs pHEMT/MESFET technology for high-performance amplification
• Optimized for 75-ohm CATV system architectures
• Delivers flat gain characteristics across the operational bandwidth

RF Amplifiers Applications

• CATV double amplifier circuits
• RF signal distribution systems
• Broadhead amplifier stages

RF Amplifiers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check for end-of-life notifications or product change notices that may affect long-term availability. Ensure handling procedures account for moisture sensitivity classification during storage and reflow processes.

RF Amplifiers Selection Notes

Select this component for designs requiring 75-ohm impedance matching in cable television infrastructure. Evaluate thermal management requirements given the 24 V supply and 440 mA current draw. Consider the QFN-40 footprint constraints for PCB layout. Verify that the 42 MHz to 1.218 GHz frequency range aligns with specific channel planning needs.

RF Amplifiers Part Context

This part belongs to Qorvo's portfolio of radio frequency integrated circuits. It is specifically engineered for downstream amplification tasks in hybrid fiber-coaxial networks. The device complements other QPB series components by providing high linearity and low noise figures essential for maintaining signal integrity over extended cable runs.

RF Amplifiers Replacement Considerations

QPB8857SQ is a verified substitute part number offering identical specifications and functionality.