KAT-3+

Overview

The KAT-3+ is a fixed attenuator MMIC from Mini-Circuits, providing 3 dB attenuation across a frequency range of 0 Hz to 43.5 GHz. It operates with a 50 Ohm impedance and features a maximum VSWR of 1.9. The device utilizes GaAs technology and is housed in an MCLP-6 surface-mount package. It supports a power rating of 2 W and functions within a temperature range of -40 C to +85 C.

Feature Summary

• Provides precise 3 dB signal attenuation for RF applications
• Operates over an ultra-wide bandwidth from DC to 43.5 GHz
• Utilizes reliable GaAs MMIC IPD fabrication process
• Designed for high-reliability surface-mount integration

Applications

• RF and microwave test and measurement equipment
• Wireless communication systems requiring signal level control
• Satellite communication subsystems
• Automotive radar system components

Procurement Notes

Verify the specific suffix designation against official Mini-Circuits documentation to ensure compatibility with required environmental ratings and performance specifications. Confirm that the MCLP-6 package footprint aligns with the target PCB design constraints before finalizing procurement orders.

Selection Notes

Select this component when a wideband fixed attenuation solution is required up to millimeter-wave frequencies. The GaAs MMIC construction ensures consistent performance across the specified temperature range. Ensure the 2 W power handling capability meets the system's signal power requirements.

Part Context

The KAT-3+ belongs to the KAT series of fixed attenuators manufactured by Mini-Circuits. This series is designed for high-performance RF and microwave applications, offering compact surface-mount solutions. The component integrates attenuation functionality directly into a monolithic microwave integrated circuit structure.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.