Agilent / Keysight 8764C 5-Port Coaxial Switch, DC to 26.5 GHz

The Agilent/Keysight 8764C is a 5-port unterminated coaxial switch engineered for RF and microwave signal routing across DC to 26.5 GHz. This multiport switch delivers the electrical performance and mechanical reliability demanded in automated test systems, offering excellent isolation, low SWR, and exceptional repeatability for precision measurement applications.

– Technical Specifications

Frequency Range: DC to 26.5 GHz

Electrical Performance
• Insertion Loss: < 0.20 dB to 2 GHz; < 0.5 dB to 18 GHz; < 1.25 dB to 26.5 GHz
• SWR (through line): < 1.15 to 2 GHz; < 1.25 to 12.4 GHz; < 1.4 to 18 GHz; 90 dB to 18 GHz; > 50 dB to 26.5 GHz
• Repeatability: < 0.03 dB typical
• Maximum Power: 1 watt average; 100 watts peak

Switching & Control
• Switching Speed: 30 ms maximum
• Standard Switching Voltage: 24 Vdc
• Optional Configurations: 5 Vdc (Option 011); 15 Vdc (Option 015); TTL/5V CMOS compatible (Options T15, T24)
• Position indication and current interrupt capabilities available

Mechanical & Environmental
• Connector Type: APC-3.5
• Operating Temperature: –25°C to +75°C
• Life Expectancy: ≥ 1 million cycles
• Humidity Rating: 95% RH at 40°C, 5 days
• Vibration: 10 to 55 Hz, 0.05"
• Shock: 50 g's, 3 ms
• Weight: 245 g

– Key Features

• Five RF ports for flexible signal routing in multiport applications
• High isolation exceeding 90 dB through 18 GHz maintains signal integrity
• Low insertion loss across the operating band minimizes measurement uncertainty
• Extended mechanical life rated beyond 1 million switching cycles
• TTL/CMOS drive options eliminate interface complexity in automated systems

– Typical Applications

• Automated RF and microwave test benches
• Component characterization and network analysis
• Multiport signal routing in production test
• High-frequency measurement system integration

– Compatibility & Integration

The 8764C integrates directly with Keysight 87130A/70611A and 11713B/C attenuator/switch drivers. APC-3.5 connectors ensure straightforward integration into 26.5 GHz measurement systems.