The Keysight (Agilent HP) 4145B is a fully automatic, high-performance semiconductor parameter analyzer designed for the DC characterization and analysis of semiconductor devices. It features four built-in Source/Monitor Units (SMUs), two Voltage Source Units (VSUs), and two Voltage Monitor Units (VMUs), with a built-in interactive graphics CRT display and a 3.5-inch flexible-disc drive.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (HP-IB) |
| Display | 16 cm (6.25 in) diagonal CRT, electrostatic focus/deflection, post accelerated, aluminized P-31 phosphor, 2048 x 2048 resolution |
| Warm-up Time | 40 minutes |
| Self-Test Capability | Built-in automatic self-test and diagnostics |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100/120/220 V AC +/-10%, 240 V AC -10% +5%, 48 to 66 Hz, 280 VA max |
| Operating Temperature | 10 to 40 °C |
| Dimensions (W×H×D) | 426 mm x 235 mm x 612 mm |
| Weight | 27 kg |
System Configuration & Channels
| Parameter | Value |
|---|---|
| Total Measurement Channels | 8 channels |
| Source/Monitor Units (SMU) | 4 channels |
| Voltage Source Units (VSU) | 2 channels |
| Voltage Monitor Units (VMU) | 2 channels |
| Maximum Withstand Voltage | 100 V |
| Maximum Voltage between Common and GND | Less than +/-42 V |
SMU Specifications
| Parameter | Value |
|---|---|
| SMU Modes of Operation | Voltage source/current monitor (V), current source/voltage monitor (I), common (COM) |
| SMU Sweep Waveforms | Linear or logarithmic sweep, constant |
| SMU 20V Range Max Voltage | +/-20 V |
| SMU 20V Range Resolution | 1 mV |
| SMU 20V Range Max Current | 100 mA |
| SMU 40V Range Max Voltage | +/-40 V |
| SMU 40V Range Resolution | 2 mV |
| SMU 40V Range Max Current | 50 mA |
| SMU 100V Range Max Voltage | +/-100 V |
| SMU 100V Range Resolution | 5 mV |
| SMU 100V Range Max Current | 20 mA |
| SMU Current Range | +/-1000 pA to +/-100 mA |
| SMU Current Ranging Mode | Automatic ranging |
| Maximum SMU Output Power | 2 W per SMU |
Display & Analysis Functions
| Parameter | Value |
|---|---|
| Display Modes | GRAPHICS, LIST, MATRIX, SCHMOO, and TIME DOMAIN |
| Cursor Types | LONG and SHORT (two intersecting perpendicular lines) |
| Cursor Coordinates Display | X, Y1, and Y2 coordinates digitally displayed on CRT |
| Analysis Tools | Overlay graph comparison, auto retrieve function, marker movement on a plotted curve, interpolation |
| Softkey Functions | AUTO SCALE, STORE, RECALL, CURSOR, MARKER, vertical and horizontal ZOOM, LINE (two), GRAD, 1/GRAD, X intercept, Y intercept, INTERPOLATE |
| User-Defined Functions | Up to two USER FUNCTIONs defined as arithmetic expressions |
| Arithmetic Operators Supported | Arithmetic operators, common and natural log, Napierian constant, exponentiation, absolute, scientific notation, differential calculation |
| Keyboard Operation | Arithmetic expressions executed via EXECUTE key |
| Stored Physical Constants | Three permanently stored physical constants (7-digit internal accuracy, 5-digit display) |
Storage & Interfaces
| Parameter | Value |
|---|---|
| Internal Storage Media | 3.5-inch micro flexible-disc drive |
| Floppy Disc Format | Double-sided, double-density, 630K bytes |
Accessories
| Parameter | Value |
|---|---|
| Included Shielded Test Fixture | HP 16058A |
| Included DUT Boards | 8 interchangeable boards (diodes, 3/4-terminal transistors, 8/10/12-pin devices, 18/24-pin DIP ICs) |
Voltage Source Units (VSU)
| Parameter | Value |
|---|---|
| VSU Output Voltage Range | ±20.00 V |
| VSU Output Voltage Resolution | 2 mV |
| VSU Maximum Output Current | 100 mA |
Voltage Monitor Units (VMU)
| Parameter | Value |
|---|---|
| VMU Input Voltage Ranges | ±2 V, ±20 V |
| VMU Maximum Resolution | 20 µV (on ±2 V range) |
| VMU Input Impedance | ≥10 GΩ |
Pulse Generator Units (PGU)
| Parameter | Value |
|---|---|
| PGU Quantity | 0 |
Source/Monitor Units (SMU)
| Parameter | Value |
|---|---|
| SMU Minimum Current Measurement Resolution | 1 pA (on 1 nA range) |
Power Requirements
| Parameter | Value |
|---|---|
| Line Voltage | 90-110 V / 104-126 V / 194-236 V / 208-250 V (switchable) |
| Line Frequency | 48 Hz to 66 Hz |
| Power Consumption | 280 VA maximum |
Measurement Configuration
| Parameter | Value |
|---|---|
| Integration Times | Short (~2.1 ms at 60 Hz, 2.5 ms at 50 Hz), Medium (1 PLC), Long (16 PLC) |
| Hold Time Range | 0 to 650.0 s |
| Hold Time Resolution | 100 ms |
| Hold Time Accuracy | ±(0.1% + 10 ms) |
| Delay Time Range | 0 to 6.500 s |
| Delay Time Resolution | 1 ms |
| Delay Time Accuracy | ±(0.1% + 100 μs) |
| Step Delay Time Range | 0 to 6.500 s |
| Step Delay Time Resolution | 1 ms |
| Step Delay Time Accuracy | ±(0.1% + 100 μs) |
| Maximum Sweep Steps | 1001 steps (linear sweep), 1 to 11 decades (log sweep) |
Technology
Semiconductor Parametric Testing
Applications
DC evaluation of semiconductor devices, materials, IC design validation, and process control