The Agilent/Keysight 85081B is a high impedance input module designed to interface with RF measurement instrumentation from 100 kHz to 1 GHz. It presents high input impedance to the Device Under Test, minimizing circuit loading effects and preserving measurement accuracy in demanding RF environments. This module enables non-intrusive signal acquisition across laboratory and field measurement scenarios.
– Technical Specifications
• Frequency Range: 100 kHz to 1 GHz
• Input Impedance: High impedance configuration
– Key Features
• Minimizes circuit loading on the DUT through high impedance design
• Enables accurate signal analysis without measurement-induced degradation
• Supports both laboratory and field-based RF measurements
• Non-intrusive probing methodology for live circuit analysis
– Typical Applications
• Signal tracing within complex RF circuits
• Amplifier performance characterization and testing
• General-purpose RF signal monitoring and probing
• Circuit integrity verification during active operation
– Compatibility & Integration
The 85081B is engineered for integration with RF measurement instruments designed to accept high impedance inputs. Verify connector types and required signal levels against your specific instrumentation before deployment.


















