A4011

Overview

The A4011 is a general-purpose RF amplifier from MACOM Technology Solutions, operating within a frequency range of 800 MHz to 4.5 GHz. It features a noise figure of 2.0 dB and provides a gain of 15.5 dB. The device requires a 5 V supply voltage with a current consumption of 65 mA. Key performance metrics include a P1dB compression point of 18.3 dBm and an OIP3 of 29 dBm. It is housed in a TO-8-4 package and supports through-hole mounting. The operational temperature range spans from -40°C to +125°C.

Feature Summary

• Discrete hybrid design utilizing thin film manufacturing processes for accurate performance and high reliability
• Cascadable architecture suitable for multi-stage amplification applications
• General-purpose RF amplifier optimized for broad bandwidth coverage

Applications

• GPS signal processing systems
• Microwave communication links
• Test and measurement instrumentation

Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm exact electrical parameters and mechanical dimensions. Ensure compatibility with TO-8-4 mounting requirements and thermal management needs for the intended operating environment. Cross-reference official MACOM specifications against supplier data sheets to validate performance claims and availability status prior to procurement.

Selection Notes

Select the A4011 when a broadband RF amplifier covering 800 MHz to 4.5 GHz is required with moderate gain and low noise characteristics. Consider its cascading capability if higher overall gain is needed. Evaluate the TO-8-4 package constraints and through-hole mounting requirements against PCB layout limitations. Assess thermal performance within the specified -40°C to +125°C operating range for the target application environment.

Part Context

The A4011 belongs to MACOM's portfolio of microwave amplifiers designed for robust performance in demanding environments. As a discrete hybrid component, it leverages thin-film technology to ensure precision and reliability. This series targets applications requiring stable amplification across wide frequency bands, serving sectors such as telecommunications, industrial systems, and defense electronics where consistent signal integrity is critical.

Replacement Considerations

SMA4011 is a documented variant associated with the A4011 part number. Verify pinout and specification equivalence before substitution. No other public substitute part numbers are confirmed in available documentation.