Keithley 4200-SCS Semiconductor Characterization System
9 December 2024
The Keithley 4200-SCS Semiconductor Characterization System is used for measuring semiconductor structures and devices, including DC I-V, C-V, and pulse characterization.
I-V Source Measurement Unit (SMU):
- Modules: ± 210 V / 100 mA or ± 210 V / 1 A
- Measurement Resolution: 100 fA, with an optional PreAmp providing 10 mA measurement resolution
- Frequency: Very low frequency capacitance from 10 mHz – 10 Hz
Measurements:
- Four Quadrant Operation: 2-wire or 4-wire connections for accurate measurement
C-V Multi-Frequency Capacitance Unit (CVU):
- AC Impedance Measurements: C-V, C-f, C-t
- Frequency Range: 1 kHz – 10 MHz
- DC Offset: ± 30 V (60 V differential) built-in DC bias
- Voltage Range: ± 210 V (420 V differential)
- Optional CVIV Multi-Switch: Allows easy switching between I-V and C-V measurements
Pulsed I-V Ultra-Fast Pulse Measurement Unit (PMU):
- Channels: Two independent or synchronized channels
- Sampling Rate: 200 MSa/s, with 5 ns sampling rate
- Voltage/Current: ± 40 V (80 Vp-p), ± 800 mA
- Features:
- Transient waveform capture mode
- Random waveform generator for multi-level pulse waveform with 10 ns programmable resolution
High Voltage Pulse Generator Unit (PGU):
- Channels: Two high-speed pulse voltage sources
- Voltage/Current: ± 40 V (80 Vp-p), ± 800 mA
- Pulse Waveform Generator: Random waveform generator for multi-level pulse waveform with 10 ns programmable resolution
- Segment ARB® Mode: For complex waveform generation
I-V / C-V Multi-Switch Module (CVIV):
- Easy Switching: Seamlessly switch between I-V and C-V measurements without reconnecting or removing the probes
- Voltage Routing: ± 210 V DC routing feature
Remote Pre-Amplifier / Switch Module (RPM):
- Automatic Switching: Automatically switches between I-V, C-V, and ultra-fast pulsed I-V measurements
- Extended Precision: Expands the existing precision of the 4225-PMU to tens of picoamps
- Reduced Cable Capacitance Effects: Minimizes the impact of cable capacitance on measurements
This system offers a comprehensive solution for semiconductor electrical characterization, providing high-speed and high-precision measurement capabilities for a wide range of semiconductor devices and materials.