HP/Keysight Agilent 4191A RF Impedance Analyzer

The HP/Keysight Agilent 4191A is an RF impedance analyzer designed for measuring various impedance parameters such as resistance, conductance, reflection coefficients, phase, and other complex parameters. The instrument operates over a frequency range from 1 MHz to 1000 MHz with automatic sweep capability, making it an indispensable tool for research, development, and testing of RF devices.

Main Specifications

• Frequency Range: from 1 MHz to 1000 MHz with automatic sweep capability.
• Resolution: Up to 100 Hz (with option 002), allowing detection of small changes in the resonant frequency.
• Measurement Accuracy: High accuracy due to a unique error correction system and a stable internal synthesizer.
• Measured Parameters: The instrument can measure up to 14 different parameters, including impedance, admittance, reflection coefficients, and phase.
• Connectivity Interface: Standard HP-IB (GPIB) for remote control.

Key Features

• Automatic frequency sweep with smooth transitions between ranges.
• High stability and accuracy of measurements thanks to the internal synthesizer with a resolution of up to 100 Hz.
• A wide range of measurable parameters, allowing comprehensive analysis of RF devices.
• Support for remote control via the standard HP-IB interface.

Applications

• Research and development in RF and microwave technologies.
• Calibration and testing of components such as filters, resonators, amplifiers, and active devices.
• Analysis of impedance characteristics in manufacturing processes and quality control.

The HP/Keysight Agilent 4191A RF Impedance Analyzer is a highly accurate and versatile instrument for measuring impedance parameters in RF systems. Its wide frequency range, high accuracy, automatic sweep capability, and remote control feature make it a valuable tool for professionals involved in RF testing and development.