Keysight
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The Keysight 4156 C Precision Semiconductor Parameter Analyzer is a precision semiconductor parameter analyzer. The Keysight 4156 C Precision Semiconductor Parameter Analyzer supports DC and quasi-static measurements. The Keysight 4156 C Precision Semiconductor Parameter Analyzer includes sweep and sampling measurement capabilities.[1][2]
The Keysight 4156 C Precision Semiconductor Parameter Analyzer is a semiconductor electrical characterization instrument. The unit is part of Agilent Technologies' parameter analyzer line and is used for detailed measurement of device electrical behavior.[3][1][2]
The Keysight 4156 C is an instrument for DC and quasi-static measurements on semiconductor devices. The model designation belongs to a precision parameter analyzer class rather than a production process module.[1][4]
A semiconductor parameter analyzer sources and measures electrical quantities on device terminals through source monitor units and related measurement channels. The instrument supports sweep measurements, sampling measurements, quasi-static capacitance-voltage measurements, stress functions, arithmetic calculations, graphical analysis, and storage and recall of measurement setups and display data.[4][2]
The 4156 C is used for detailed electrical characterization of transistors, diodes, and advanced materials. The instrument is used for DC and quasi-static measurements in laboratory and semiconductor development settings.[1][4]
The instrument supports characterization tasks such as sweep measurements, quasi-static C-V measurements, and reliability-related stress functions. The class is suited to leakage analysis, threshold extraction, breakdown assessment, and other electrical metrics associated with semiconductor devices.[4][1]
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The 4156 C can set measurement and stress conditions, control measurement and stress execution, perform arithmetic calculations, display measured and calculated results on the LCD, perform graphical analysis, store and recall setups and data, dump hardcopy output, perform measurement and analysis with built-in BASIC, and run self test and auto calibration.[2]
The following facts about the 4156 C Precision Semiconductor Parameter Analyzer are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 4156 C Precision Semiconductor Parameter Analyzer are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the 4156 C Precision Semiconductor Parameter Analyzer are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the 4156 C Precision Semiconductor Parameter Analyzer are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 4156 C Precision Semiconductor Parameter Analyzer is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the 4156 C Precision Semiconductor Parameter Analyzer are on record.
Answerable by: an OEM parts catalog or a service engineer
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Last updated Oct 3, 2026.
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