FMBT1635

Overview

The FMBT1635 is a broadband bias tee manufactured by Fairview Microwave, designed for RF applications requiring simultaneous signal and DC power transmission. It operates within a frequency range of 50 kHz to 18 GHz. The device features an SMA male input connector and a DC SMA connector. It is rated for a maximum voltage of 25 volts and a maximum current of 0.75 amps. Insertion loss typically ranges from 1 to 1.5 dB.

Feature Summary

• Provides combined RF signal path and DC bias injection through a single port
• Supports broadband operation extending up to 18 GHz
• Features SMA male interface for standard RF connectivity

Applications

• RF circuit testing and characterization
• Biasing active components such as amplifiers or mixers
• Signal generation setups requiring integrated DC supply

Procurement Notes

Verify the specific connector gender and polarity requirements against your system design before procurement. Confirm that the 25-volt and 0.75-amp ratings exceed your operational limits. Ensure compatibility with SMA interfaces in your existing test infrastructure. Review the datasheet for insertion loss specifications at your target frequencies.

Selection Notes

Select this component when high-frequency biasing up to 18 GHz is required. The SMA interface ensures broad compatibility with standard RF equipment. Consider the 0.75-amp current limit for powering low-to-medium power devices. Evaluate insertion loss impact on signal integrity for sensitive measurements.

Part Context

Fairview Microwave produces specialized RF adapters and interconnects. The FMBT1635 belongs to their bias tee category, facilitating efficient integration of DC power into RF signal chains without additional external combiners.

FAQ

What is the maximum DC current rating?

The maximum DC current rating is 0.75 amps.

Does the device support frequencies above 18 GHz?

No, the specified operating frequency range extends up to 18 GHz.