4243-20

RF Directional Couplers Overview

The L3 Narda-MITEQ 4243-20 is a coaxial directional coupler designed for RF and microwave applications. It operates within a frequency range of 1 GHz to 3.5 GHz. The device features a coupling value of 20 dB with a variation of +/- 0.4 dB. Key electrical parameters include a maximum insertion loss of 0.4 dB and a directivity of 23 dB. It supports a peak input power of 3000 Watts and a continuous power rating of 50 Watts. The component utilizes an SMA female connector interface.

RF Directional Couplers Feature Summary

• Coaxial construction for reliable RF signal monitoring
• High peak power handling capability up to 3000 Watts
• Broadband operation across the 1 GHz to 3.5 GHz spectrum
• Low insertion loss and high directivity for accurate measurement

RF Directional Couplers Applications

• RF test and measurement equipment
• Signal monitoring in communication systems
• Power measurement setups requiring high dynamic range

RF Directional Couplers Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm mechanical dimensions, connector type accuracy, and environmental ratings. Ensure compatibility with system impedance and frequency requirements before integration. Cross-reference official L3 Narda-MITEQ catalogs for current specifications.

RF Directional Couplers Selection Notes

Select this model when a 20 dB coupling factor is required for frequencies between 1 GHz and 3.5 GHz. Consider the 3000 Watt peak power limit for high-power transmission lines. Evaluate the 0.4 dB insertion loss impact on system gain. Confirm SMA-Female interface compatibility with existing cabling infrastructure.

RF Directional Couplers Part Context

This component belongs to the L3 Narda-MITEQ series of coaxial directional couplers. These devices are engineered for reliability in demanding environments. The series typically adheres to military and FAA standards for performance consistency. The 4243-20 represents a specific configuration optimized for broadband UHF applications.

RF Directional Couplers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult official L3 Narda-MITEQ documentation for equivalent models or updated series replacements.