4779-20

Attenuators Overview

The L3 Narda-MITEQ 4779-20 is a miniature fixed attenuator module designed for RF applications up to 18 GHz. It features SMA connectors and provides a nominal attenuation of 20 dB. The device exhibits an attenuation deviation of ±0.5 dB from DC to 12.4 GHz and ±0.6 dB from 12.4 to 18 GHz. Insertion loss is typically 0.2 dB, with a maximum of 0.5 dB. VSWR is 1.15 (max) below 12.4 GHz and 1.25 (max) above. Power handling is 2 W average.

Attenuators Feature Summary

• Miniature form factor suitable for compact RF systems
• Broadband operation covering DC to 18 GHz
• SMA connector interface for easy integration

Attenuators Applications

• RF signal level adjustment in test and measurement equipment
• Attenuation in microwave communication subsystems
• Signal conditioning in radar systems

Attenuators Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm electrical parameters such as frequency range, attenuation value, and connector type. Ensure compatibility with system requirements regarding power handling and insertion loss before procurement.

Attenuators Selection Notes

Select this component when a fixed 20 dB attenuation is required within an 18 GHz bandwidth. Consider the SMA interface and miniature size for space-constrained designs. Verify that the average power rating of 2 W meets the application's thermal and power constraints.

Attenuators Part Context

This part belongs to the 4779 series of miniature fixed attenuators from L3 Narda-MITEQ. The series offers various attenuation values with consistent SMA connectivity and broadband performance, targeting applications requiring precise signal reduction in microwave frequencies.

Attenuators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official L3 Narda-MITEQ resources or authorized distributors for verified cross-reference information.