4358

RF Directional Couplers Overview

The L3 Narda-MITEQ Model 4358 is a hybrid coupler assembly designed for high-frequency RF applications. It operates within a frequency range of 500 MHz to 8000 MHz, providing a fixed 90-degree phase relationship between output ports. This component facilitates signal splitting and combining in microwave systems while maintaining precise amplitude balance and isolation characteristics essential for coherent signal processing.

RF Directional Couplers Feature Summary

• Provides a stable 90-degree phase shift between coupled and through ports
• Operates across a broad microwave frequency spectrum from 500 MHz to 8 GHz
• Constructed as a ruggedized coaxial assembly for reliable performance

RF Directional Couplers Applications

• Quadrature signal generation in communication transceivers
• Balanced mixer local oscillator distribution
• Phased array antenna feed networks

RF Directional Couplers Procurement Notes

Verify the specific connector type and mating interface requirements against your system design before ordering. Confirm that the operating frequency range aligns with your application's spectral needs. Ensure environmental specifications meet your deployment conditions. Request detailed dimensional drawings for mechanical integration planning. Validate electrical performance parameters via official datasheets prior to procurement.

RF Directional Couplers Selection Notes

Select this model when a precise 90-degree phase difference is required between output signals within the 500 MHz to 8 GHz band. Consider the physical size and connector style for board or chassis integration. Evaluate insertion loss and directivity specifications if strict signal integrity is critical. Compare alternative coupler types if a different phase relationship or bandwidth is needed.

RF Directional Couplers Part Context

This component belongs to the L3 Narda-MITEQ portfolio of microwave passive components. The manufacturer specializes in ruggedized RF solutions for defense and aerospace sectors. The 4358 represents a standard catalog item designed for consistent performance in demanding environments, reflecting the company's focus on reliability and precision engineering in high-frequency circuitry.

RF Directional Couplers Replacement Considerations

No public substitute part numbers are documented for this specific model. Verify compatibility with existing connectors and mounting hardware when sourcing alternatives. Consult manufacturer guidelines for any discontinued series replacements.