ALM-31222-TR1G

RF Amplifiers Overview

The ALM-31222-TR1G is a high linearity 1 Watt power amplifier manufactured by Broadcom Limited. It operates within the frequency range of 1.7 GHz to 2.7 GHz, covering GSM, PCS, W-CDMA, and WiMAX bands. The device provides a gain of 14.9 dB with a noise figure of 2.7 dB at a test frequency of 2 GHz. It requires a supply voltage of 5V and draws a supply current of 415 mA to 750 mA. Key performance metrics include a P1dB of 31.5 dBm and an OIP3 of 47.9 dBm. The component is housed in a 22-SMD module package.

RF Amplifiers Feature Summary

• High linearity design supporting 1 Watt output power for robust signal transmission
• Broadband operation covering multiple wireless standards including GSM, PCS, W-CDMA, and WiMAX
• Integrated surface-mount module construction for simplified PCB layout

RF Amplifiers Applications

• Base station infrastructure for cellular networks
• Wireless local loop systems
• WiMAX fixed wireless access equipment
• General purpose RF amplification modules

RF Amplifiers Procurement Notes

This component is officially listed as obsolete by Broadcom Limited. Availability is restricted to remaining stock or secondary market sources. Verify end-of-life notifications and product change notices prior to integration. Design-in activities should consider long-term supply chain stability due to discontinued status.

RF Amplifiers Selection Notes

Select this part for applications requiring high output power and linearity in the 1.7-2.7 GHz range. Ensure thermal management capabilities match the 4.125 W power dissipation rating. Compare against newer Broadcom alternatives if future production volume is required. Verify package compatibility with existing 22-MCOB footprints.

RF Amplifiers Part Context

The ALM-31222 series represents Broadcom's portfolio of high-power RF amplifiers for base station applications. The TR1G suffix indicates tape-and-reel packaging. This specific model is part of the Meranti family, designed for high efficiency and linearity in multi-standard wireless infrastructure environments.

RF Amplifiers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult Broadcom sales representatives for potential cross-reference options or updated product lines replacing the ALM-31222 series.