Keysight U9424C: Ultra-Fast, High-Performance Solid State FET Switch for Demanding RF Applications

Features and Specifications: Keysight U9424C/002/201/301 Solid State FET Switch, 300 kHz-54 GHz, SP4T, USB, U942xA/B/C Series

The Keysight U9424C/002/201/301 is a USB-controlled SP4T solid-state FET switch engineered to deliver high isolation, low video leakage, and fast switching speeds across a wide frequency range of 300 kHz to 54 GHz. Part of the Keysight U942xA/B/C Series, it offers enhanced measurement accuracy, safety for sensitive devices, and flexibility in system configurations.

This model is especially suitable for RF and microwave test applications that require precision, protection, and automation, such as testing mixers, amplifiers, and switching networks in production or R&D labs.

⭐ Key Features:

• Wide Frequency Range: Operates from 300 kHz up to 54 GHz

• SP4T (Single-Pole, Four-Throw) configuration for advanced signal routing

• Superior Isolation: Up to 70 dB @ 54 GHz, reduces crosstalk in critical systems

• Ultra-low Video Leakage: Less than 270 mVpp — protects sensitive DUTs

• High-Speed Switching: Microsecond-level response improves throughput

• USB & PXIe VNA Ready: USB Type-C connectivity and multiport PXIe integration

• Flexible Mounting Options: Choose from solder terminal, USB, and multiport setups

• Rugged & Compact: Ideal for both benchtop and integrated test systems

🎯 Why Choose the Keysight U9424C?

The U9424C switch combines RF precision, ultra-fast switching, and device safety, making it a powerful choice for engineers in high-frequency RF, automated testing, and sensitive component validation. Whether you\’re integrating into a PXIe-based test platform or deploying in standalone setups, its USB interface and multiport compatibility ensure seamless adaptability.

📦 What’s Included:

• Keysight U9424C/002/201/301 Solid State FET Switch

• USB 3.1 Type-A to Type-C cable (1 meter – Option 201)

• Interconnect cable for PXIe & USB VNA (1 meter – Option 301)

• User documentation

Note: Other cable options (2m or solder terminal) available upon request.

📊 Technical Specifications:

🔧 Applications:

• Automated RF & microwave test systems

• High-isolation switching in sensitive RF environments

• PXIe or USB VNA multiport configurations

• Signal routing in 5G, radar, and aerospace labs

• Device characterization of mixers, LNAs, filters, and more

🔗 Related Internal Links:

• Explore more in our RF Switches category

• Read our expert article: Precision Matters — The Importance of Dimensional Calibration in Manufacturing