FMBT1643

Overview

The FMBT1643 is a broadband bias tee manufactured by Fairview Microwave, designed for RF applications spanning 12 kHz to 40 GHz. It features SMA connectors with male input and female output configurations, maintaining a 50 Ohm impedance throughout the signal path. The component supports a maximum DC voltage of 16 Volts and a current rating of 150 mA via a BNC connector. Insertion loss ranges from 1.5 to 3 dB across the operational frequency band.

Feature Summary

• Provides broadband DC bias injection capability within a high-frequency RF signal path
• Integrates SMA interface ports for seamless connection to standard RF systems
• Includes dedicated BNC connector for secure DC power supply attachment

Applications

• Biasing active RF components in test and measurement setups
• Integration into high-frequency communication system architectures
• Signal conditioning in broadband instrumentation environments

Procurement Notes

Verify technical specifications against official Fairview Microwave documentation prior to integration. Confirm connector gender compatibility and DC power requirements match system design constraints. Ensure environmental ratings align with intended operating conditions. Cross-reference part numbers to avoid substitution errors.

Selection Notes

Select this component when broadband operation up to 40 GHz is required alongside DC biasing needs. Consider the specific insertion loss characteristics and voltage limits relative to system performance targets. Evaluate connector types to ensure mechanical and electrical compatibility with existing infrastructure.

Part Context

This bias tee belongs to Fairview Microwave's range of RF adapters and accessories. It complements other passive components used in signal distribution and conditioning networks. The product line focuses on providing reliable interconnect solutions for demanding RF and microwave applications.