PMA-545G1+

RF Amplifiers Overview

The Mini-Circuits PMA-545G1+ is an E-PHEMT based Low Noise MMIC Amplifier operating from 0.4 to 2.2 GHz. It features a gain of 26.1 dB, a noise figure of 1.2 dB, and a P1dB compression point of 22.6 dBm. The OIP3 is 33.6 dBm. It requires a 5 V supply with a current draw of 158 mA. The device is housed in an MCLP-8 (8-QFN 3x3) surface-mount package.

RF Amplifiers Feature Summary

• E-PHEMT technology for low noise and high linearity
• High dynamic range performance
• Super low noise figure characteristics
• Surface-mount QFN packaging

RF Amplifiers Applications

• LTE systems
• Cellular infrastructure
• GPS receivers
• WCDMA networks

RF Amplifiers Procurement Notes

Verify the exact part number suffix against official Mini-Circuits documentation to ensure correct specifications. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer before placing orders. Ensure compatibility with existing PCB footprints and thermal management requirements for the 8-QFN package.

RF Amplifiers Selection Notes

Select this component when both ultra-low noise and high linearity are critical within the 400 MHz to 2.2 GHz band. The high IP3 and P1dB values make it suitable for demanding linear applications. Compare against other LNA options if higher frequency coverage or different power consumption limits are required.

RF Amplifiers Part Context

This monolithic amplifier belongs to Mini-Circuits' PMA series of RF amplifiers. It utilizes E-PHEMT technology to achieve superior performance metrics compared to standard GaAs MMICs. The device is designed for integration into compact wireless communication systems requiring precise signal amplification with minimal degradation.

RF Amplifiers Replacement Considerations

Check Mini-Circuits datasheets for direct replacements such as the PMA-5455+ for broader frequency ranges. Verify pinout compatibility and electrical parameter overlaps before substituting. Consult official cross-reference guides for validated alternatives.