A66-3

Overview

The MACOM A66-3 is a general-purpose RF amplifier operating from 5 MHz to 1.1 GHz. It provides a gain of 26 dB with a noise figure of 3 dB. The device requires a 5 V supply and draws 16 mA. Key linearity metrics include a P1dB of 3 dBm and an OIP3 of 13 dBm. It utilizes Silicon technology in a TO-8-4 package for through-hole mounting. The component functions within a temperature range of -40°C to +125°C.

Feature Summary

• Discrete hybrid design utilizing thin film manufacturing processes for consistent performance
• Two-stage architecture optimized for high reliability
• General-purpose classification suitable for broad RF applications

Applications

• Industrial, Scientific, and Medical (ISM) equipment
• Test and measurement instrumentation
• Broadband communication systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct pinout and electrical characteristics. Confirm that the TO-8-4 through-hole package aligns with the target PCB layout requirements. Cross-reference the RoHS compliance status using the latest datasheet revision. Ensure the supplier provides traceability documentation for the silicon-based component. Validate the active product status directly with MACOM Technology Solutions before finalizing procurement orders.

Selection Notes

Select this component when a low-noise, moderate-gain amplifier is required for frequencies up to 1.1 GHz. The 3 dB noise figure makes it suitable for sensitive front-end stages. Consider the 3 dBm P1dB limit for linear signal handling. The TO-8-4 package dictates specific mechanical integration constraints. Compare against the A66-1 if higher output power or different voltage ranges are necessary for the specific application design.

Part Context

The A66-3 belongs to the A66 series of RF amplifiers manufactured by MACOM Technology Solutions. This series employs discrete hybrid construction techniques to achieve stable performance across wide bandwidths. The family targets applications requiring reliable amplification in industrial and scientific environments. MACOM leverages its expertise in thin-film processes to maintain consistency in these silicon-based components.

Replacement Considerations

The A66-1 is a documented variant within the same series offering higher gain and output power but requiring different biasing conditions. Verify compatibility regarding supply voltage and current consumption when substituting. Ensure the replacement maintains the required frequency range and package footprint.