GALI-1+

Overview

The GALI-1+ is a wideband monolithic microwave integrated circuit (MMIC) amplifier manufactured by Mini-Circuits. It operates from DC to 8 GHz and is housed in a SOT-89 surface-mount package. The device provides a typical gain of 12.4 dB with a noise figure of 3.5 dB. Key performance metrics include a P1dB compression point of 12.6 dBm and an output third-order intercept point (OIP3) of 27 dBm. It requires a supply voltage of 5 V and draws a typical current of 50 mA, making it suitable for high dynamic range applications.

Feature Summary

• Wideband operation spanning from DC to 8 GHz
• High linearity with significant output IP3
• Low noise figure for signal integrity
• RoHS compliant construction

Applications

• Cellular PCS systems
• CATV amplifiers
• Gain block implementations
• Low noise amplifier stages

Procurement Notes

Verify the specific suffix designation when ordering, as the '+' indicates RoHS compliance. Confirm that the SOT-89 package matches your PCB footprint requirements. Ensure the 5 V supply voltage aligns with your system design. Check the datasheet for thermal dissipation needs given the 50 mA current draw. Validate that the 8 GHz upper frequency limit meets your application bandwidth.

Selection Notes

Select this component when a broad frequency range up to 8 GHz is required alongside moderate gain. Consider the 12.6 dBm P1dB for linear signal handling. Evaluate the 3.5 dB noise figure against system sensitivity needs. Compare the 50 mA power consumption with other available options. Ensure the SOT-89 package is compatible with your assembly process.

Part Context

The GALI-1+ belongs to the GALI series of RF amplifiers from Mini-Circuits. This series includes various models optimized for different frequency ranges and performance characteristics. The GALI-1+ specifically targets wideband applications requiring consistent performance across a broad spectrum. It is part of a lineup known for repeatable lot-to-lot performance.

Replacement Considerations

Direct substitutes within the same family may include GALI-1 or GALI-19(+), though electrical parameters differ. Verify compatibility if replacing GALI-1 due to potential differences in RoHS status or specific gain profiles. Cross-reference pinouts and thermal requirements before substitution.