PMA3-5123+

RF Amplifiers Overview

The PMA3-5123+ is a low-noise amplifier from Mini-Circuits designed for the 5.15–5.825 GHz frequency range, suitable for WLAN and radar applications. It features a gain of 20 dB and a noise figure of 2.5 dB typical. The device operates with a supply voltage of +5 V and consumes 40 mA of current. It utilizes an SMT package measuring 3 x 3 mm, ensuring compact integration into high-frequency circuits while maintaining signal integrity.

RF Amplifiers Feature Summary

• Optimized for low-noise performance in wireless communication systems
• Compact surface-mount design facilitates easy PCB integration
• Broadband operation supports multiple WLAN frequency bands

RF Amplifiers Applications

• Wireless LAN (WLAN) receiver front-ends
• Point-to-point microwave links
• Radar systems operating in U-NII bands

RF Amplifiers Procurement Notes

Verify the specific suffix code on the datasheet to confirm pinout configuration and thermal pad requirements. Ensure that the ordering information matches the exact part number including any additional letters indicating package type or testing specifications. Cross-reference the manufacturer's latest documentation to confirm availability and lead times before finalizing procurement plans.

RF Amplifiers Selection Notes

Select this component when a balance between low noise figure and moderate gain is required for 5 GHz applications. Consider the power consumption and supply voltage constraints of the system. Evaluate the physical size against available board space. Compare performance metrics such as IP3 and return loss against alternative amplifiers to ensure compatibility with the overall system architecture.

RF Amplifiers Part Context

This amplifier belongs to Mini-Circuits' PMA series, which focuses on cost-effective solutions for RF applications. The series offers various gain and noise figure combinations tailored for different frequency ranges. The PMA3-5123+ specifically targets the UNII bands, providing a standardized solution for manufacturers developing Wi-Fi and radar equipment without requiring complex biasing networks.

RF Amplifiers Replacement Considerations

Direct replacements may include other Mini-Circuits models within the PMA series covering similar frequency ranges. Verify that substitute parts match the pinout and electrical characteristics closely. Consult the manufacturer's substitution guide for approved alternatives. Ensure that any replacement maintains the required noise figure and gain specifications for the specific application.