Mar-79

Overview

The Mar-79 is a ruggedized high-power directional coupler manufactured by L3 Narda-MITEQ, designed for demanding RF environments. It operates within an output frequency range of 500 MHz to 18 GHz, covering the UHF through K-band spectrum. The component provides reliable signal sampling with specified coupling characteristics suitable for power monitoring and measurement applications. Constructed for durability, it features connectorized interfaces ensuring secure integration into test setups and communication systems.

Feature Summary

• Ruggedized construction for high reliability in harsh environments
• Connectorized design for secure system integration
• Wideband operation covering UHF to K-band frequencies

Applications

• High-power RF signal monitoring
• Directional power measurement in test equipment
• Satellite communications ground stations
• Defense radar systems

Procurement Notes

Verify the specific model suffix against the manufacturer's current datasheet to ensure compatibility with required interface types and mounting configurations. Confirm that the operating frequency range aligns precisely with the application requirements before procurement. Request detailed electrical specifications from authorized distributors to validate performance metrics against system constraints.

Selection Notes

Select this component based on the required frequency coverage and power handling capabilities. Ensure the connector type matches existing infrastructure. Evaluate thermal management needs for continuous high-power operation. Compare coupling values against measurement sensitivity requirements to ensure accurate signal sampling without introducing excessive insertion loss.

Part Context

L3 Narda-MITEQ specializes in microwave and RF components, including amplifiers, mixers, and passive devices. The Mar-79 belongs to their line of ruggedized directional couplers, which are engineered for stability and precision in critical defense, aerospace, and telecommunications applications where reliability is paramount.

Replacement Considerations

Consult official L3 Narda-MITEQ documentation for direct cross-reference part numbers. Verify mechanical dimensions and interface standards when considering alternative suppliers. Ensure equivalent electrical performance in frequency range and power handling before substitution.