The HMC287MS8, manufactured by Hittite Microwave Corporation (now Analog Devices), is a GaAs MMIC SPDT (Single Pole Double Throw) switch designed for operation from DC to 3 GHz. This switch is frequently used in test and measurement equipment, wireless communication systems, and general RF/microwave applications requiring fast, reliable signal switching.

Applications:

• Test and measurement equipment
• Wireless communication systems
• Microwave radios
• Automated test equipment (ATE)
• Switch matrices

Features:

• Broadband performance: DC to 3 GHz
• Low insertion loss
• High isolation
• Fast switching speed
• Positive control voltage
• Compact MS8 package

Benefits:

• Versatile in many RF and microwave applications
• Minimizes signal attenuation
• Reduces unwanted signal leakage
• Enables quick signal routing
• Simplified control logic
• Well-suited for dense circuit layouts

Additional Details:

The HMC287MS8 SPDT switch offers excellent performance characteristics, featuring low insertion loss and high isolation across its frequency range. Typical insertion loss is below 0.6 dB, while isolation is usually greater than 30 dB. The fast switching speed allows for rapid changes in signal routing. This switch uses positive control voltage logic, which simplifies integration with control circuitry. The compact MS8 package makes it suitable for dense circuit board layouts where space is limited. The HMC287MS8 is commonly used in applications requiring signal switching between different RF paths, such as antenna selection or filter bypass. Detailed specifications, including IP3 and P1dB values, can be found in the manufacturer's datasheet.