FM11S3904

Overview

The FM11S3904 is a USB Frequency Synthesizer PLL manufactured by Fairview Microwave. It operates within an output frequency range of 21 GHz to 24 GHz. The device provides a minimum output power of -17 dBm and utilizes a 50 MHz reference signal. It achieves phase noise performance of -88 dBc/Hz. The component functions at operating temperatures between 0°C and +55°C, drawing a typical supply current of 470 mA. It features SMA connectors for interfacing.

Feature Summary

• Generates stable microwave frequencies using a Phase Locked Loop architecture
• Designed for high-frequency synthesis applications up to 24 GHz
• Includes integrated low phase noise characteristics for signal purity

Applications

• Microwave test and measurement equipment
• Wireless communication system local oscillators
• Radar signal generation modules

Procurement Notes

Verify the specific datasheet revision and electrical tolerances against the manufacturer's official documentation before integration. Confirm that the SMA interface compatibility matches the target circuit board layout. Ensure the 470 mA current draw is supported by the available power supply rails in the final assembly design.

Selection Notes

Select this component when a dedicated synthesizer solution is required for the 21-24 GHz band with specified phase noise limits. Consider the thermal management requirements associated with the 470 mA consumption. Evaluate the SMA connector type against existing interconnect infrastructure to ensure mechanical and electrical continuity without additional adapters.

Part Context

This part belongs to the Fairview Microwave line of wireless and RF integrated circuits, specifically categorized under Phase Locked Loops. It serves as a specialized frequency source component designed for professional RF engineering applications requiring precise frequency control in the millimeter-wave spectrum.

Replacement Considerations

Consult the official Fairview Microwave product database for direct cross-reference models. Verify pinout and electrical parameter equivalence if considering alternative suppliers. No public substitute part numbers are confirmed in available documentation.