The Agilent/Keysight 87222E is a 4-port coaxial transfer switch engineered for RF and microwave test systems requiring flexible signal routing and extended measurement capability. Operating from DC to 50 GHz, this device delivers 0.03 dB repeatability and supports up to 5 million switching cycles, making it suitable for precision laboratory and production environments.
Technical Specifications
Frequency Range: DC to 50 GHz
Switching Performance
• Repeatability: 0.03 dB
• Guaranteed cycle life: 5 million cycles
• Supply voltage: 20 to 32 VDC
• Supply current: 200 mA (switching pulse width 90 dB typically at 26.5 GHz
• >60 dB typically at 50 GHz
• DC–26.5 GHz: 120 dB–2.0 × frequency (GHz)
• 26.5–50 GHz: 60 dB
Insertion Loss: 0.15 dB + 0.020 × frequency (GHz)
Standing Wave Ratio (SWR)
• DC to 12.4 GHz: 1.3 maximum
• 12.4 to 20 GHz: 1.4 maximum
• 20 to 30 GHz: 1.5 maximum
• 30 to 40 GHz: 1.6 maximum
• 40 to 50 GHz: 1.7 maximum
– Key Features
Control & Indicators
• TTL/5V CMOS compatible control interface
• Magnetic latching
• Opto-electronic indicators and interrupts
Connectors: 2.4 mm female
Physical: 100 gm (0.23 lb)
Configuration Options
• Solder terminals and 10-pin DIP
• 10-pin DIP without solder terminals (87222E-161)
• Mounting brackets available (87222E-201)
– Typical Applications
• Drop-out switch configurations
• Two-input/two-output signal switching
• Signal reversal switching
• Multi-tiered switching systems
• Signal routing and conditioning design simplification
– Compatibility & Integration
Designed for integration with Keysight network analyzers including the 8719D, 8720D, and 8722D series, and compatible with Keysight microwave and RF instrumentation platforms.


















