E4991B Impedance Analyzer

E4991B Impedance Analyzer

1 MHz to 500 MHz/1 GHz/3 GHz

Keysight Impedance Analyzer Series

Achieve success with the industry standard for impedance measurements

Keysight Technologies, Inc. and its predecessors have contributed to innovations and product excellence in impedance analysis for over half a century. Whether your application is in R&D, production, quality assurance, or incoming inspection, we take pride in contributing to your success. We strive to deliver complete solutions to meet your needs, from impedance analyzers to a wide variety of test accessories. Achieve success with Keysight’s impedance measurement solutions.

Real characteristics – achieved only with an impedance analyzer

Only Keysight impedance analyzers provide unparalleled accuracy for component evaluation mOhm to Mohm, from 5 Hz to 3 GHz. Add an impedance analyzer to your lab and achieve real characteristics of high quality components.

Select the appropriate frequency range for your application

Keysight’s impedance analyzers provide the best performance in the industry with frequency options to meet your needs at an affordable price. You can select the most appropriate frequency range for your application, from 10 MHz to 3 GHz. Flexible frequency upgrade options are also available. You can choose just what you require today with the least amount of investment and upgrade later as needs arise. Select what’s best for you - and achieve both your engineering and business goals.

E4990A Impedance analyzer

– Impedance analyzer

– Auto balancing bridge

– Basic accuracy 0.08% (typ. 0.045%)

– Z-range: 25 mΩ – 40 MΩ (10% accuracy)

E4991B Impedance analyzer

– Impedance analyzer

– RF-IV method

– Basic accuracy 0.65%

– Z-range: 120 mΩ – 52 kΩ (10% accuracy)

– Direct readout of material parameters

E5061B ENA Series network analyzer with Options 3L5 and 005

– LF-RF network analyzer (Option 3L5) with impedance analysis (Option 005)

– Basic accuracy 2% (typical)

– Z-range: 1 Ω – 2 kΩ (10% accuracy, typical S-parameter port)

– Gain/Phase evaluation

Keysight E4991B Impedance Analyzer

The E4991B impendance analyzer has a frequency range of 1 MHz to 3 GHz and provides 0.65% basic accuracy over a wide impedance range, with a 40 V built-in DC bias source (Option 001).

Three frequency options (1 MHz to 500 MHz/1 GHz/3 GHz) and frequency upgrades allow you to choose the most appropriate option with the least amount of investment.

Material measurement options provide temperature characteristics analysis capabilities (Option 007) and direct read function of permittivity and permeability (Option 002).

A probe station connection kit (Option 010) offers an accurate onwafer or micro-component impedance measurement solution up to 3 GHz.

Whether you are in R&D, QA, or inspection, the E4991B is an ideal solution for characterizing and evaluating electronic components, semiconductor devices, and materials.

Application examples:

Passive components

Impedance measurement of chip components such as capacitors, inductors, ferrite beads, resistors, or crystal/ceramic resonators.

Semiconductor components C-V characteristics analysis and equivalent series resistance measurement of varactor diodes.

Dielectric material

Permittivity and loss tangent evaluation of plastics, ceramics, and printed circuit boards.

Magnetic material

Permeability and loss tangent evaluation of ferrite, amorphous and other magnetics materials.

Summary of Key Specifications

Truly User Friendly – Front Panel

The E4991B has a simple and intuitive user interface that allows you to make accurate repeatable measurements. View multiple parameters under various conditions at the same time on the large touch screen display. Frequently used functions are easily accessed through front panel hardkeys and softkeys that are organized for quick and easy navigation. Sophisticated analysis functions are available for better insight into your designs.