4745-69

Attenuators Overview

The L3 Narda-MITEQ 4745-69 is a precision RF step attenuator module designed for high-reliability applications. It provides an attenuation range of 0 to 69 dB with 1 dB resolution steps, controlled via a thumbwheel dial. The device operates over a frequency range from DC to 18 GHz and supports a power handling capacity of 2 Watts CW. It utilizes SMA female connectors for signal interfacing.

Attenuators Feature Summary

• Provides precise variable attenuation control from 0 to 69 dB using a manual thumbwheel dial mechanism.
• Operates across a wide frequency spectrum extending from DC up to 18 GHz.
• Features SMA female connectors for standard coaxial interface compatibility.

Attenuators Applications

• RF test and measurement instrumentation
• Signal conditioning in communication systems
• Laboratory calibration setups

Attenuators Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with the manufacturer or authorized distributor before procurement. Ensure that the SMA connector gender and pin configuration match the system requirements. Confirm thermal management needs for continuous wave operation at maximum power levels.

Attenuators Selection Notes

Select this component when a wide bandwidth up to 18 GHz is required alongside fine 1 dB resolution steps. Consider the 2W power rating for appropriate thermal design. Verify that the SMA interface aligns with existing cabling infrastructure. Evaluate mechanical mounting constraints for the module form factor.

Attenuators Part Context

This part belongs to the Narda-MITEQ 4745 series of precision step attenuators. The series is known for high reliability and stability in demanding RF environments. The 4745-69 specifically denotes the 69 dB maximum attenuation variant within this product line.

Attenuators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other Narda-MITEQ models in the same series if availability is an issue, ensuring frequency and power specifications remain compatible.