The Agilent/Keysight 8764A is a 5-port unterminated coaxial switch engineered for DC to 4 GHz signal routing in automated test and measurement systems. It delivers high isolation exceeding 100 dB, low insertion loss, and exceptional repeatability—making it ideal for RF component testing, multi-source switching, and signal monitoring applications. The switch withstands over one million operational cycles with minimal performance drift, ensuring long-term reliability in demanding laboratory and production environments.
Technical Specifications
Electrical Performance
• Frequency range: DC to 4 GHz
• Insertion loss: <0.20 dB to 2 GHz; <0.25 dB to 4 GHz
• SWR (through line): <1.1 to 2 GHz; 100 dB to 4 GHz
• Repeatability: 1 million cycles
• Switching speed: 30 ms maximum
• Operating temperature: -25 °C to +75 °C
• Humidity: 95% RH at 40 °C
• Vibration: 0.05″ from 10 to 55 Hz
• Shock: 50 g’s for 3 ms
• Weight: 245 g
Connectors
• SMA connectors (standard configuration)
– Key Features
• Five RF ports with unterminated architecture for flexible signal routing
• Selectable drive voltage: 24 Vdc standard, 5 V solenoids (option 8764A-011), and 15 Vdc available
• TTL/5V CMOS compatible options for 15 Vdc and 24 Vdc configurations
• Current interrupt and position indication capabilities
• High isolation and low SWR across full frequency range
– Typical Applications
• Automated test systems requiring multi-port signal switching
• RF component characterization and functional testing
• Signal monitoring and measurement routing
• Cross-switching and transfer switch implementations
• Multi-source signal distribution networks
– Compatibility & Integration
The 8764A integrates SMA connectors and voltage-selectable control options, supporting integration with standard 24 Vdc, 15 Vdc, and TTL-compatible switching architectures. Position indication and current interrupt features enable seamless integration into automated control and monitoring systems.
