Keysight E4991A Impedance Analyzer

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Frequency sweep range: 1 MHz to 3 GHz with 1 mHz resolution
Basic accuracy: ±0.8% across a wide impedance range
Oscillator level: Up to 1 dBm / 0.5 Vrms / 10 mArms
DC bias (Option 001): ±40 V or ±50 mA
User interface: Windows-style, with built-in VBA programming
Connectivity: Fast data transfer via LAN interface

LCR Meters, Impedance Analyzers and Test Fixtures

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Keysight E4991A RF Impedance / Material Analyzer

Overview

The Keysight E4991A RF Impedance/Material Analyzer is an advanced solution designed for high-precision impedance measurements and material evaluations from 1 MHz to 3 GHz. With its cutting-edge RF-IV technique, it delivers more accurate results than traditional reflection methods, making it an essential instrument for R&D, quality assurance, and production testing.

Key Features

Frequency sweep range: 1 MHz to 3 GHz with 1 mHz resolution
Basic accuracy: ±0.8% across a wide impedance range
Oscillator level: Up to 1 dBm / 0.5 Vrms / 10 mArms
DC bias (Option 001): ±40 V or ±50 mA
User interface: Windows-style, with built-in VBA programming
Connectivity: Fast data transfer via LAN interface

Advanced Capabilities

Dielectric / Magnetic Material Measurement (Option 002)
Enables accurate analysis of dielectric and magnetic properties across a broad frequency range, supporting advanced material research and industrial applications.
On-Wafer Measurement (Option 010)
Simplifies integration with RF probe systems for direct on-wafer impedance testing, providing reliable results for semiconductor device characterization.
Temperature Characteristic Measurement (Option 007)
Offers precise analysis of temperature-dependent characteristics from -55 °C to +150 °C, with advanced temperature drift compensation for reliable material and component evaluation.