The Keysight/Agilent/HP 4142B is a modular DC source/monitor mainframe engineered for precision voltage and current sourcing and measurement in semiconductor device characterization and integrated circuit testing. Its slot-configurable architecture accepts various source and monitor modules, enabling custom instrument configurations tailored to specific measurement requirements. Front panel controls and remote programming interfaces provide operational flexibility, while an integrated display delivers real-time parameter monitoring across all installed modules.
## Technical Specifications
• **Mainframe Architecture:** Modular chassis with configurable slot count for module installation
• **Voltage Output Range:** Microvolts to tens of volts (module-dependent)
• **Current Output Range:** Picoamperes to amperes (module-dependent)
• **Voltage Measurement Range:** DC voltage measurement within specified range per installed module
• **Current Measurement Range:** DC current measurement within specified range per installed module
• **Source Accuracy:** High precision voltage and current sourcing with specified accuracy limits
• **Measurement Accuracy:** Precision measurement of sourced or external signals
• **Measurement Resolution:** High resolution detection of small signal variations
• **Four-Wire Sensing:** Kelvin connection support for accurate low-resistance measurements
• **Output Stability:** Low drift characteristics for consistent sourcing over time
• **Power Input:** 100–240 VAC, 50/60 Hz
• **Isolation:** Input/output isolation to prevent ground loops
## Key Features
• Digital voltage and current level programming
• Integrated front panel display for direct parameter control and monitoring
• Internal bus architecture connecting mainframe to all installed modules
• Remote interface support via GPIB, LXI/LAN, and USB for external automation
• Four-wire (Kelvin) sensing for precision low-impedance measurements
## Typical Applications
• Semiconductor device characterization
• Integrated circuit testing and parameter extraction
• Electronic component analysis and validation
## Compatibility & Integration
Designed to accept Keysight/Agilent/HP 4142B series source and monitor modules. Compatible with Keysight PathWave, LabVIEW, and Python-based test automation platforms.














