The Keysight Technologies (formerly HP / Agilent) 4155A is an industry-standard Semiconductor Parameter Analyzer designed for high-precision device characterization, parametric measurement, and analysis. Equipped with four built-in Medium-Power Source/Monitor Units (MPSMUs), two Voltage Source Units (VSUs), and two Voltage Monitor Units (VMUs), the 4155A offers an all-in-one solution for evaluating semiconductor materials, devices, and sub-micron processes.
Specifications
Hardware Configuration
| Parameter | Value |
|---|---|
| Number of Medium-Power SMUs (MPSMUs) | 4 |
| Number of High-Power SMUs (HPSMUs) | 0 |
| Number of High-Resolution SMUs (HRSMUs) | 0 |
| Number of Voltage Source Units (VSUs) | 2 |
| Number of Voltage Monitor Units (VMUs) | 2 |
| Ground Unit (GNDU) Current Sinking Capability | 1.6 A |
SMU Source/Measure Specifications
| Parameter | Value |
|---|---|
| MPSMU Maximum Voltage | ±100 V |
| MPSMU Maximum Current | ±100 mA |
| MPSMU Minimum Current Measurement Resolution | 10 fA |
Voltage Source (VSU) and Monitor (VMU) Specifications
| Parameter | Value |
|---|---|
| VSU Output Voltage Range | ±20 V |
Sweep and Pulse Characteristics
| Parameter | Value |
|---|---|
| Maximum Number of Sweep Steps | 1001 |
Sampling Measurement Functions
| Parameter | Value |
|---|---|
| Minimum Sampling Interval | 60 μs |
| Maximum Number of Sampling Points | 10001 |
System, I/O and Connectivity
| Parameter | Value |
|---|---|
| Programming Commands/Language Support | HP Instrument BASIC (IBASIC) |
| Safety Interlock Connector | Yes |
System Configuration
| Parameter | Value |
|---|---|
| Expander Compatibility | Agilent / Keysight 41501A or 41501B SMU/Pulse Generator Expander |
| Maximum SMUs with Expander | 6 (4 built-in MPSMUs + up to 2 extra SMUs via 41501A/B) |
| Maximum PGUs with Expander | 2 (using 41501A/B) |
Connectors
| Parameter | Value |
|---|---|
| MPSMU Connector Type | Triaxial |
| GNDU Connector Type | Triaxial (Kelvin connection with Force and Sense) |
| VSU Connector Type | BNC |
| VMU Connector Type | BNC |
Power Requirements
| Parameter | Value |
|---|---|
| Power Consumption | 450 VA (maximum) |
| Line Frequency | 47 Hz to 63 Hz |
Environmental
| Parameter | Value |
|---|---|
| Warm-up Time | 40 minutes |
| Storage Temperature Range | -20 °C to 60 °C |
| Storage Humidity Range | 5% to 90% RH (non-condensing) |
| Operating Altitude | Up to 2,000 m (6,561 ft) |
| Storage Altitude | Up to 4,600 m (15,091 ft) |
Safety & Control
| Parameter | Value |
|---|---|
| Interlock Voltage Restriction | Output voltage limited to ±42 V maximum when the interlock terminal is open |
Measurement Capabilities
| Parameter | Value |
|---|---|
| Stress Force Mode | Supported (for reliability testing) |
Voltage Monitor Unit (VMU)
| Parameter | Value |
|---|---|
| VMU Single-Ended Measurement Ranges | ±2 V, ±20 V |
| VMU Differential Measurement Ranges | ±0.2 V, ±2 V |
Measurement Performance
| Parameter | Value |
|---|---|
| Integration Time (Medium) | 1 PLC (16.7 ms @ 60 Hz, 20 ms @ 50 Hz) |
| Integration Time (Long) | 16 PLC (268 ms @ 60 Hz, 320 ms @ 50 Hz) |
Expansion Capabilities
| Parameter | Value |
|---|---|
| Compatible Expander Model | HP 41501A / 41501B |
Technology
Semiconductor Parametric Testing
Applications
Semiconductor Device Characterization and DC Parametric Analysis