The Agilent/Keysight 85025B is a 50-ohm coaxial detector engineered for precise RF and microwave signal detection across 10 MHz to 26.5 GHz. It detects both modulated (AC) and unmodulated (DC) signals with selectable dynamic range, making it suitable for scalar network analysis and broadband power measurement applications.
– Technical Specifications
• Frequency Range: 10 MHz to 26.5 GHz
• Detection Modes: AC and DC
• Dynamic Range (AC): +16 dBm to −55 dBm
• Dynamic Range (DC): +16 dBm to −50 dBm
• Input Impedance: 50 Ohms
• Connector: 3.5 mm male
• Shipping Weight: 3 lb
– Key Features
• Dual-mode detection supports modulated and unmodulated signal measurement
• AC mode extends measurement floor to −55 dBm for low-level detection
• DC mode capability for envelope and power monitoring
• Wide dynamic range accommodates signals from −55 dBm to +16 dBm (AC) or −50 dBm to +16 dBm (DC)
• 3.5 mm coaxial interface ensures compatibility with standard RF test systems
– Typical Applications
• Scalar network analysis using compatible Keysight analyzers
• Broadband RF and microwave power detection
• Signal monitoring in modulated and unmodulated measurement scenarios
• Systems requiring combined AC and DC detection capability
– Compatibility & Integration
The 85025B integrates directly with the Keysight 8757D Scalar Network Analyzer. It is not compatible with the Keysight 8756 or 8755 models. The product is classified as obsolete by Keysight; technical documentation and exchange programs for the 85025/85026 detector series remain available.
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