ADA-4789-BLKG

RF Amplifiers Overview

The ADA-4789-BLKG is a silicon bipolar RF amplifier IC from Broadcom Limited, designed for wireless local loop and WLAN applications. It operates within a frequency range of 0 Hz to 2.5 GHz. Key electrical specifications include a gain of 16.2 dB and a P1dB compression point of 16.2 dBm. The device is housed in an SOT-89 surface-mount package. This component is currently classified as obsolete by the manufacturer.

RF Amplifiers Feature Summary

• Utilizes silicon bipolar technology for RF amplification
• Optimized for WLL and WLAN system integration
• Operates across DC to 2.5 GHz frequency spectrum

RF Amplifiers Applications

• Wireless Local Loop (WLL) systems
• Wireless LAN (WLAN) infrastructure
• RF signal amplification circuits

RF Amplifiers Procurement Notes

Verify component obsolescence status prior to design implementation. Confirm availability through authorized distributors or surplus channels. Ensure compatibility with existing supply chain requirements given the discontinued lifecycle stage.

RF Amplifiers Selection Notes

Evaluate suitability for low-frequency RF applications requiring moderate gain. Consider silicon bipolar characteristics versus GaAs alternatives for cost-sensitive designs. Verify thermal management capabilities within the SOT-89 package constraints.

RF Amplifiers Part Context

Part of Broadcom's legacy RF amplifier portfolio targeting early wireless communication standards. Designed for general-purpose amplification in consumer and industrial wireless devices. Represents mature silicon technology for sub-3 GHz frequencies.

RF Amplifiers Replacement Considerations

No officially confirmed substitute part numbers are documented. Designers should evaluate current-generation Broadcom RF amplifiers or alternative manufacturers offering comparable gain and frequency specifications.