Keysight E4990A Impedance Analyzer

Keysight E4990A Impedance Analyzer – 20 Hz to 10/20/30/50/120 MHz

Overview

The Keysight E4990A is a precision impedance analyzer covering 20 Hz to 120 MHz with best-in-class ±0.045% (typ.) accuracy. Featuring a built-in ±40 V DC bias and wide impedance range from 25 mΩ to 40 MΩ, it is designed for component, semiconductor, and materials characterization.

Applications

• Passive component evaluation (capacitors, inductors, resistors)
• Semiconductor and material characterization
• Quality assurance and incoming inspection
• R&D and production line testing

Technical Specifications

• Frequency Options: 20 Hz to 10/20/30/50/120 MHz (upgradeable)

• Accuracy: ±0.08% (±0.045% typical)

• Impedance Range: 25 mΩ to 40 MΩ (10% accuracy range)

• Measurement Parameters: |Z|, |Y|, θ, R, X, G, B, L, C, D, Q, Complex Z, Complex Y, Vac, Iac, Vdc, Idc

• Built-in Bias Source: 0 V to ±40 V, 0 A to ±100 mA

• Display: 10.4-inch color LCD with 4-channel / 4-trace touch screen

• Data Analysis: Equivalent circuit analysis, limit line testing

• Speed: Enhanced measurement speed option (Opt. 001 for 10M/20M/30M/50M models)

Integrated Features

• Wide frequency range suitable for diverse testing needs

• Built-in DC bias for advanced material and semiconductor evaluation

• Comprehensive data visualization and analysis tools

• Upgrade flexibility to expand test frequency capabilities