The Keysight 8484A is a high-performance RF and microwave power sensor engineered for precise measurements across 10 MHz to 18 GHz. It delivers wide dynamic range and exceptional linearity, enabling accurate power readings from −70 dBm to +20 dBm in demanding measurement environments. The sensor integrates directly with Keysight power meters via a dedicated sensor bus interface, combining power data acquisition with onboard calibration management for streamlined RF/microwave power characterization.
Technical Specifications
• Frequency Range: 10 MHz to 18 GHz
• Power Measurement Range: −70 dBm to +20 dBm (dependent on power meter)
• Input Impedance: 50 Ohms
• Maximum Input Power: +20 dBm continuous average
• Reflection Coefficient: Typically < 1.05 up to 18 GHz
• SWR: < 1.05 up to 18 GHz (typical)
• Sensor Connector: Type N male
• Calibration Factor: User-selectable via power meter interface, expressed in dB
– Key Features
• Wide dynamic range spanning four decades of power measurement
• Exceptional linearity ensures high accuracy across the measurement band
• 50 Ohm input impedance optimized for standard RF test configurations
• Type N male connector for direct integration with RF systems
• Onboard calibration data accessible through the power meter interface
– Typical Applications
• RF and microwave component characterization
• Transmitter and amplifier power validation
• System-level power budget verification
• Insertion loss and gain measurement support
– Compatibility & Integration
The 8484A interfaces with Keysight RF and Microwave Power Meters including the E4418B/E4419B and legacy Agilent/HP EPM series instruments. Verification of compatibility with your specific power meter is required before deployment.


















