Product Overview
The Keysight E4991B Impedance Analyzer is the perfect solution for characterizing and evaluating electronic components, semiconductor devices, and materials. It provides unparalleled accuracy over a wide impedance range with its built-in DC bias (Option 001) and it also supports a variety of test accessories making measurements simple and reliable.
Features and Specifications of the Keysight E4991B (Agilent) Impedance Analyzer include:
Features of the Keysight E4991B Impedance Analyzer:
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Frequency options, upgradable:
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1 MHz to 500 MHz
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1 MHz to 1 GHz
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1 MHz to 3 GHz
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Equivalent circuit analysis function:
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Supports seven different multi parameter models
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Helps to simulate your own equivalent parameter values of components
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±0.65% basic accuracy and 120 mΩ to 52 kΩ impedance range (10% measurement accuracy range)
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Supports seven different multi parameter models
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Measurement parameters:
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lZl, lYl, θ, R, X, G, B, L, C, D, Q, lΓl, Γx, Γy, θΓ, Vac, Iac
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Option one is required for Vdc and Idc
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Built-in DC bias source (Option 001):
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0 V to ± 40 V
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0 A to ± 100 mA
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Data analysis function: Equivalent circuit analysis, limit line test
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Applications:
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Passive components: Impedance measurement of chip components such as capacitors, inductors, ferrite beads, resistors, transformers, or crystal/ceramic resonators
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Semiconductor components: C-V characteristics analysis and equivalent series resistance measurement of varactor diodes
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Dielectric material: Permittivity and loss tangent evaluation of plastics, ceramics, and printed circuit boards
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Magnetic material: Permeability and loss of tangent evaluation of ferrite, amorphous and other magnetic materials
Specifications of the Agilent E4991B Impedance Analyzer:
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Rear panel connectors:
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External reference signal input connector:
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Frequency: 10 MHz ± 10 ppm (typical)
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Level: 0 dBm to ± 3 dB (typical)
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Input impedance: 50 Ω (nominal)
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Connector type: BNC, female
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Internal reference signal output connector:
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Frequency: 10 MHz ± 10 ppm
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Level: 0 dBm to ± 3 dB into 50 Ω
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Output impedance: 50 Ω (nominal)
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Connector type: BNC, female
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External trigger input connector:
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Level:
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LOW threshhold voltage: 0.5 V
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HIGH threshhold voltage: 2.1 V
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Input level range: 0 V to +5 V
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Pulse width (Tp): ≥2 µsec (typical)
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Polarity: Positive or negative (selective)
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Connector type: BNC, female
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