Agilent/Keysight 4145B

The Agilent/Keysight 4145B is a four-channel semiconductor parameter analyzer engineered for DC characterization of devices and materials across IC design, process control, and quality assurance workflows. Each of four programmable source-monitor units (SMUs) operates independently in voltage source, current source, or common mode, sourcing voltage from 1 mV to 100 V and current from 1 pA to 100 mA. The instrument applies linear or logarithmic sweeps, measures responses at up to 150 measurements per second, and captures up to 1150 data points per test sequence.

– Technical Specifications

Source-Monitor Units
• Four programmable SMUs with independent V mode (voltage source/current monitor), I mode (current source/voltage monitor), and COM mode operation
• Voltage sourcing: 1 mV to 100 V range
• Current sourcing: 1 pA to 100 mA range
• Voltage measurement resolution: 4-1/2 digits
• Current measurement resolution: 4 digits; 50 fA minimum in current monitor mode
• Current compliance accuracy: ± (1% of range + 10 pA)
• COM mode: 0 V and 105 mA current compliance
• Measurement speed: Up to 150 measurements per second
• Maximum measurement points per sequence: 1150

Display and Analysis
• Built-in 6-inch diagonal CRT with 2048 × 2048 point resolution
• Display modes: Graphics, Schmoo, List, Matrix, Time Domain
• Analysis functions include overlay comparison (STORE/RECALL), marker, interpolate, cursor, auto scale, zoom, line function, and user-defined functions
• 11 arithmetic calculation functions including LOG, EXP, and differential (∆) operations

Data Storage
• Built-in 3.5-inch microfloppy disk drive
• Storage capacity: 240 user programs or 105 measurement results per disc; 630 Kbytes per disc

– Key Features

• Four independent SMUs enable multi-device characterization and complex test protocols
• Dual-sweep capability with linear or logarithmic sourcing modes
• High-resolution femtoampere-level current measurement
• Real-time graphical display with extensive post-measurement analysis tools

– Typical Applications

• IC design and parametric testing
• Semiconductor device and material characterization
• Process control and quality assurance
• Component selection and evaluation

– Compatibility & Integration

The 4145B accepts 100 V, 120 V, 220 V (±10%), and 240 V (−10% +5%) power inputs.