FMNS4000

Overview

The Fairview Microwave FMNS4000 is a surface-mount noise source module designed for vector network analyzer calibration. It operates within a frequency range of 200 kHz to 500 MHz and provides an excess noise ratio (ENR) of 31 dB. The device requires a 12V DC supply voltage and utilizes an 8-pin SMT package. This component serves as a general-purpose RF noise source, enabling precise measurement system characterization across its specified bandwidth.

Feature Summary

• Provides consistent 31 dB excess noise ratio for accurate calibration
• Operates reliably from 200 kHz up to 500 MHz
• Utilizes compact 8-pin surface mount packaging for integration

Applications

• Vector Network Analyzer (VNA) calibration
• RF measurement system characterization
• Noise figure measurement setups

Procurement Notes

Verify the specific datasheet version and pinout configuration before integration. Confirm that the 12V supply requirement aligns with your system design. Ensure the 8-pin SMT footprint matches your PCB layout constraints. Check for any recent manufacturing changes or obsolescence notices from Fairview Microwave prior to finalizing procurement plans.

Selection Notes

Select this module when a calibrated noise source in the sub-GHz range is required. The 31 dB ENR value supports standard noise figure measurements. Consider the surface mount form factor for automated assembly processes. Verify compatibility with VNA software protocols if direct interface is needed.

Part Context

Fairview Microwave specializes in high-performance RF and microwave components. The FMNS4000 belongs to their line of general-purpose noise sources. These modules are engineered for stability and repeatability in test environments. They complement other calibration standards like attenuators and adapters.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Evaluate alternative noise source modules from other manufacturers only if they match the 200 kHz-500 MHz range, 31 dB ENR, and 12V supply requirements.

FAQ

What is the operating frequency range of the FMNS4000?

The FMNS4000 operates from 200 kHz to 500 MHz.

What is the Excess Noise Ratio (ENR) specification?

The module provides an ENR of 31 dB.

What supply voltage is required for operation?

A 12V DC supply is required to power the FMNS4000.