The Agilent 41422A is a High Current Source/Monitor Unit (HCU) module for the 4142B Modular DC Source/Monitor Mainframe, delivering precision semiconductor device characterization with extended current capabilities. This dual-slot module forces and measures up to 10 A and 10 V across pulsed voltage source with current monitoring and pulsed current source with voltage monitoring modes. Kelvin connections via separate FORCE and SENSE terminals enable accurate low-level and high-power measurements by minimizing lead resistance errors.
## Technical Specifications
• **Voltage & Current Range:** Force and measure up to ±10 V and ±10 A
• **Module Configuration:** 2 slots in 4142B mainframe
• **Pulsed Measurement Capability:** Minimum pulse width 100 ps; synchronized pulse operation with other modules
• **Voltage Monitor Accuracy:** ±(0.5% + 10 mV) across ±10 V range
• **Current Monitor Accuracy:** ±(2% + 20 mA + 1 mA × Vout) across ±10 A range
• **Voltage Source Accuracy:** ±(0.5% + 10 mV) across ±10 V range
• **Current Source Accuracy:** ±(0.5% + 100 mV) across ±10 A range
• **Kelvin Connections:** Remote sensing via separate FORCE and SENSE terminals
• **Load Constraints:** Maximum capacitive load 3.5 nF; maximum inductive load 1 µH on 10 A range
• **Cable Specifications:** FORCE terminal maximum 150 mΩ resistance @ 10 V, 10 A and 1 µH inductance; SENSE terminal maximum 10 Ω
• **Pulse Characteristics:** Unipolar operation; base value fixed at 0 V
## Key Features
• 5-digit basic accuracy matching standard Source/Monitor Units (SMUs)
• Fast 100 µs pulsed measurement capability
• Synchronized pulse operation for multi-module high-power characterization
• Precision sourcing and monitoring in dual operating modes
## Typical Applications
• High-current semiconductor device parameter characterization
• Power device testing requiring synchronized pulsed measurements
• Applications demanding both high current and voltage measurement precision
## Compatibility & Integration
The 41422A integrates exclusively within the Agilent 4142B Modular DC Source/Monitor Mainframe ecosystem, occupying two slots for expanded measurement range and current capability.
