41421B

Keysight Technologies (Agilent HP)DC Sources

The HP 41421B is a 1-slot Medium Power Source/Monitor Unit (MPSMU) module designed for the HP 4142B Modular DC Source/Monitor mainframe. It offers precision DC voltage/current sourcing and measurement capabilities up to ±100 V and ±100 mA (max 2 W), and supports pulsed measurements with high resolution.

Component Testing Semiconductor Testing Source Measure Unit

Specifications

General

Parameter	Value
Interfaces	None (internal mainframe interface; HP 4142B mainframe provides GPIB)

Physical

Parameter	Value
Power Supply	Power provided by HP 4142B mainframe backplane
Operating Temperature	5 to 40
Weight	1.0

Module Overview

Parameter	Value
Module Type	Medium Power Source/Monitor Unit (MPSMU)
Compatible Mainframes	HP 4142B Modular DC Source/Monitor
Required Mainframe Slot Count	1 slot
Number of Channels	1
Maximum Output Power	2 W
Maximum Output Voltage	±100 V
Maximum Output Current	±100 mA
Primary Operating Modes	V source (constant or pulse) and I monitor, I source (constant or pulse) and V monitor
Special Measurement Modes	V source (constant only) and V monitor, I source (constant only) and I monitor (in High speed spot, Analog search, and Quasi-pulsed spot measurements)
Compliance Feature	Limits output voltage (V compliance) or current (I compliance) to prevent device damage
Compliance Resolution	Same resolution as the output voltage or current within the maximum output range

Voltage Source Specifications

Parameter	Value
Voltage Source Range (2 V)	Maximum output ±100 mA
Voltage Source Range (20 V)	Maximum output ±100 mA
Voltage Source Range (40 V)	Maximum output ±50 mA
Voltage Source Range (100 V)	Maximum output ±20 mA

Current Source Specifications

Parameter	Value
Current Source Range (1 nA to 10 mA)	Maximum output ±100 V
Current Source Range (100 mA)	Maximum output ±20 V

Timing & Pulse Mode Specifications

Parameter	Value
Pulse Width Range	1 ms to 50 ms
Pulse Width Resolution	100 µs
Pulse Period Range	10 ms to 500 ms
Pulse Period Resolution	100 µs
Maximum Pulse Duty Cycle	50%
Pulse Current Polarity Restriction	Pulse base current and pulse current must have the same polarity

Front Panel Connectors

Parameter	Value
Force Connector	Triaxial
Sense Connector	Triaxial

Voltage Source Resolution

Parameter	Value
Voltage Source Resolution (2 V Range)	100 µV
Voltage Source Resolution (20 V Range)	1 mV
Voltage Source Resolution (40 V Range)	2 mV
Voltage Source Resolution (100 V Range)	5 mV

Current Source Resolution

Parameter	Value
Current Source Resolution (1 nA Range)	100 fA
Current Source Resolution (10 nA Range)	1 pA
Current Source Resolution (100 nA Range)	10 pA
Current Source Resolution (1 µA Range)	100 pA
Current Source Resolution (10 µA Range)	1 nA
Current Source Resolution (100 µA Range)	10 nA
Current Source Resolution (1 mA Range)	100 nA
Current Source Resolution (10 mA Range)	1 µA
Current Source Resolution (100 mA Range)	10 µA

Voltage Measurement Resolution

Parameter	Value
Voltage Measurement Resolution (2 V Range)	20 µV (High-Resolution ADC)
Voltage Measurement Resolution (20 V Range)	200 µV (High-Resolution ADC)
Voltage Measurement Resolution (40 V Range)	400 µV (High-Resolution ADC)
Voltage Measurement Resolution (100 V Range)	1 mV (High-Resolution ADC)

Current Measurement Resolution

Parameter	Value
Current Measurement Resolution (1 nA Range)	20 fA (High-Resolution ADC)
Current Measurement Resolution (10 nA Range)	100 fA (High-Resolution ADC)
Current Measurement Resolution (100 nA Range)	1 pA (High-Resolution ADC)
Current Measurement Resolution (1 µA Range)	10 pA (High-Resolution ADC)
Current Measurement Resolution (10 µA Range)	100 pA (High-Resolution ADC)
Current Measurement Resolution (100 µA Range)	1 nA (High-Resolution ADC)
Current Measurement Resolution (1 mA Range)	10 nA (High-Resolution ADC)
Current Measurement Resolution (10 mA Range)	100 nA (High-Resolution ADC)
Current Measurement Resolution (100 mA Range)	1 µA (High-Resolution ADC)

Environmental

Parameter	Value
Operating Humidity	5% to 80% RH (non-condensing)
Storage Temperature	-40 °C to +70 °C
Storage Humidity	5% to 90% RH (non-condensing)

Accuracy (Voltage Source)

Parameter	Value
Voltage Source Accuracy (2 V Range)	±(0.05% of setting + 400 µV)
Voltage Source Accuracy (20 V Range)	±(0.05% of setting + 3 mV)
Voltage Source Accuracy (40 V Range)	±(0.05% of setting + 6 mV)
Voltage Source Accuracy (100 V Range)	±(0.05% of setting + 15 mV)

Accuracy (Voltage Measurement)

Parameter	Value
Voltage Measurement Accuracy (2 V Range)	±(0.05% of reading + 400 µV)
Voltage Measurement Accuracy (20 V Range)	±(0.05% of reading + 3 mV)
Voltage Measurement Accuracy (40 V Range)	±(0.05% of reading + 6 mV)
Voltage Measurement Accuracy (100 V Range)	±(0.05% of reading + 15 mV)

Accuracy (Current Source)

Parameter	Value
Current Source Accuracy (1 nA Range)	±(0.5% of setting + 3 pA + 10 fA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (10 nA Range)	±(0.25% of setting + 15 pA + 100 fA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (100 nA Range)	±(0.25% of setting + 100 pA + 1 pA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (1 µA Range)	±(0.2% of setting + 1 nA + 10 pA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (10 µA Range)	±(0.2% of setting + 10 nA + 100 pA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (100 µA Range)	±(0.2% of setting + 100 nA + 1 nA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (1 mA Range)	±(0.2% of setting + 1 µA + 10 nA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (10 mA Range)	±(0.2% of setting + 10 µA + 100 nA × Vo) [Vo: output voltage in Volts]
Current Source Accuracy (100 mA Range)	±(0.2% of setting + 100 µA + 1 µA × Vo) [Vo: output voltage in Volts]

Accuracy (Current Measurement)

Parameter	Value
Current Measurement Accuracy (1 nA Range)	±(0.5% of reading + 3 pA + 10 fA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (10 nA Range)	±(0.25% of reading + 15 pA + 100 fA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (100 nA Range)	±(0.25% of reading + 100 pA + 1 pA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (1 µA Range)	±(0.2% of reading + 1 nA + 10 pA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (10 µA Range)	±(0.2% of reading + 10 nA + 100 pA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (100 µA Range)	±(0.2% of reading + 100 nA + 1 nA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (1 mA Range)	±(0.2% of reading + 1 µA + 10 nA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (10 mA Range)	±(0.2% of reading + 10 µA + 100 nA × Vm) [Vm: measurement voltage in Volts]
Current Measurement Accuracy (100 mA Range)	±(0.2% of reading + 100 µA + 1 µA × Vm) [Vm: measurement voltage in Volts]

Guard Specifications

Parameter	Value
Guard Offset Voltage	±2 mV max
Maximum Guard Capacitance	100 pF

Safety & Limits

Parameter	Value
Maximum Common Mode Voltage	±42 V

Technology

Source/Monitor Unit (SMU)

Applications

Semiconductor parameter analysis and DC characterization