Product Overview
RENT KEYSIGHT E4991B (AGILENT) IMPEDANCE ANALYZER (Call for Availability)
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:
●Frequency options, upgradable:
o1 MHz to 500 MHz
o1 MHz to 1 GHz
o1 MHz to 3 GHz
●Equivalent circuit analysis function:
oSupports seven different multi parameter models
oHelps to simulate your own equivalent parameter values of components
●±0.65% basic accuracy and 120 mΩ to 52 kΩ impedance range (10% measurement accuracy range)
●Supports seven different multi parameter models
●Measurement parameters:
olZl, lYl, θ, R, X, G, B, L, C, D, Q, lΓl, Γx, Γy, θΓ, Vac, Iac
oOption one is required for Vdc and Idc
●Built-in DC bias source (Option 001):
o0 V to ± 40 V
o0 A to ± 100 mA
●Data analysis function: Equivalent circuit analysis, limit line test
●Applications:
oPassive components: Impedance measurement of chip components such as capacitors, inductors, ferrite beads, resistors, transformers, or crystal/ceramic resonators
oSemiconductor components: C-V characteristics analysis and equivalent series resistance measurement of varactor diodes
oDielectric material: Permittivity and loss tangent evaluation of plastics, ceramics, and printed circuit boards
oMagnetic material: Permeability and loss of tangent evaluation of ferrite, amorphous and other magnetic materials
Specifications of the Agilent E4991B Impedance Analyzer:
●Rear panel connectors:
oExternal reference signal input connector:
●Frequency: 10 MHz ± 10 ppm (typical)
●Level: 0 dBm to ± 3 dB (typical)
●Input impedance: 50 Ω (nominal)
●Connector type: BNC, female
oInternal reference signal output connector:
●Frequency: 10 MHz ± 10 ppm
●Level: 0 dBm to ± 3 dB into 50 Ω
●Output impedance: 50 Ω (nominal)
●Connector type: BNC, female
oExternal trigger input connector:
●Level:
●LOW threshhold voltage: 0.5 V
●HIGH threshhold voltage: 2.1 V
●Input level range: 0 V to +5 V
●Pulse width (Tp): ≥2 µsec (typical)
●Polarity: Positive or negative (selective)
●Connector type: BNC, female




