ALM-31122-BLKG

RF Amplifiers Overview

The ALM-31122-BLKG is a single-channel RF power amplifier manufactured by Broadcom Limited. It operates within the frequency range of 700 MHz to 1 GHz, specifically designed for CDMA applications. The device delivers an output power of 1 Watt with a gain of 15.6 dB and exhibits high linearity characteristics, including good OIP3 performance. It functions at an operating supply current of 750 mA and dissipates up to 4.125 W of power. The component is housed in a 22-pin MCOB package and is classified as moisture sensitive.

RF Amplifiers Feature Summary

• High linearity power amplifier optimized for CDMA systems
• Operates effectively between 700 MHz and 1 GHz frequencies
• Delivers 1 Watt output power with significant gain
• Designed for general purpose RF amplification tasks

RF Amplifiers Applications

• CDMA base station transmitters
• Wireless communication infrastructure
• RF signal amplification modules

RF Amplifiers Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm package integrity and moisture sensitivity handling requirements prior to installation. Cross-reference datasheet specifications against current design needs to ensure compatibility with existing circuit architectures and thermal management solutions.

RF Amplifiers Selection Notes

Select this component when high linearity and 1W output are required within the 700MHz-1GHz band. Consider the 22MCOB package constraints and 750mA supply current. Evaluate thermal dissipation capabilities given the 4.125W power rating. Ensure design supports moisture-sensitive handling protocols during assembly processes.

RF Amplifiers Part Context

This part belongs to Broadcom's RF amplifier portfolio, specifically targeting cellular communication bands. It serves as a critical component in maintaining signal integrity for CDMA networks. The BLKG suffix denotes specific packaging and manufacturing details within the broader ALM-31122 series, which has been discontinued by the manufacturer.

RF Amplifiers Replacement Considerations

The ALM-31122-BLKG is listed as obsolete. No public confirmed substitute part numbers are available in the provided documentation. Engineers must evaluate alternative components from other manufacturers or redesign circuits to accommodate currently available RF amplifiers with similar frequency and power specifications.