FMSW1112

RF Switches Overview

The FMSW1112 is a reflective SPDT ultra-wideband PIN diode switch manufactured by Fairview Microwave. It operates from 1 MHz to 60 GHz with a 50-ohm impedance. The device features an integrated TTL driver and supports up to 15 dBm power handling. Key electrical parameters include a typical insertion loss of 4.8 dB, isolation of 35 dB, and a VSWR of 2.5:1. Switching speed is rated at 400 nsec. It utilizes 1.85mm connectors and functions within a temperature range of -40°C to +85°C.

RF Switches Feature Summary

• Ultra-wideband operation spanning 1 MHz to 60 GHz
• Integrated TTL driver for control interface
• Reflective SPDT topology using PIN diode technology

RF Switches Applications

• Test and measurement instrumentation requiring wide frequency coverage
• Signal routing in high-frequency communication systems
• Automated test equipment (ATE) configurations

RF Switches Procurement Notes

Verify the specific connector type and tolerance requirements against the official datasheet before ordering. Confirm that the integrated TTL driver voltage levels match the system logic standards. Ensure the operating environment stays within the specified thermal limits. Check for any regional distribution restrictions or availability constraints through authorized channels prior to finalizing procurement plans.

RF Switches Selection Notes

Select this component when a single-pole double-throw switching solution is required across a broad spectrum up to 60 GHz. The integrated driver simplifies control circuitry design compared to discrete solutions. Consider the reflective nature of the switch for potential impact on source matching in sensitive applications. Evaluate the 400 nsec switching speed against system timing requirements to ensure adequate performance for the intended signal processing tasks.

RF Switches Part Context

This model belongs to Fairview Microwave's lineup of coaxial switches designed for high-frequency applications. It represents a specialized ultra-wideband solution utilizing PIN diode technology. The product integrates control electronics directly into the switch assembly, distinguishing it from externally driven counterparts. It serves as a critical interconnect element in complex RF signal paths requiring rapid and reliable state transitions.

RF Switches Replacement Considerations

No public confirmed substitute part numbers are available.