Precision You Can Trust
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The CS548 is a modular, high-performance, fiber-isolated measurement system designed for analyzing power electronics—from single transistors to full three-phase systems. With 4 isolated analog channels per unit (expandable to 16), 14-bit resolution, and 200 MHz bandwidth, it enables precise voltage, current, and switching loss measurements. The system supports a wide range of pods and digitizers for voltage, current, temperature, VSAT, and CAN-based data, making it ideal for lab, automotive, EV, and industrial applications..
The CS548 is engineered to support modern power electronic measurement needs, especially in high voltage, high-speed switching environments. Each of its 4 analog input channels supports passive probes with ±800mV to ±800V ranges. The system achieves high fidelity via internal fiber-isolated ADCs, reducing offset, noise, and distortion.
You can expand the system via:
Pods: For isolated digital I/O, temperature, voltage, and current logging (100 kHz bandwidth, 16-bit resolution)
Remote Digitizers: Powered with 21700 Li-ion cells, connect via QSFP fiber for voltage/current/VSAT/switching measurements
Measurement Hubs: Like CS1303, allowing multiple pod connections per port
Supported applications include:
Double Pulse Testing (DPT)
GaN/SiC switch characterization
3-phase power analysis
End-of-line EV charger testing
Long-term thermal and EMC behavior tracking
Protocol testing and CAN-based vehicle diagnostics
The system’s GUI software includes real-time math, spectrum analysis, signal information logging, FRA, and protocol decoding for SPI, UART, I2C.
High Accuracy: 14-bit ADC, 500 MSPS sampling, 0.3 mV noise (±0.8V range)
Scalable Architecture: Link up to 4 CS548 units for 16 synchronized channels
Fiber Isolated Digitizers: Enables measurements up to 100m apart with minimal noise/distortion
High CMRR: >100 dB at 50 MHz, ±2000V common mode voltage handling
Signal Generator: Isolated and rated for 600V common mode
Pulse Builder: Create arbitrary/double/triple pulses and PWM waveforms
Support for Remote Digitizers: Voltage (CS1200), Current (CS1201), VSAT (CS1203), and Transistor (CS1202)
Multi-use Software: Scope, Spectrum, FRA, Maths, Power Analysis, Protocol Decode
CAN Support: With CS1310 Pod (Q2 2025) for EV module diagnostics
Flexible Use Cases: EV modules, VSDs, OBCs, PFCs, EMC, and thermal diagnostics
Upgradable System: Hardware-ready for future software features (e.g., 5GSPS transient edge capture)
| Category | Specification |
|---|---|
| Channels | 4 analog isolated (expandable to 16) |
| Resolution | 14-bit |
| Bandwidth | 200 MHz |
| Sample Rate | 500 MSPS |
| CMRR | >100 dB @ 50 MHz |
| Input Ranges | ±800mV, ±8V (via 10x, 100x, 200x probes) |
| Common Mode Voltage | ±2000V |
| Noise (rms) | 0.3 mV on ±0.8V range |
| Signal Generator | 600V CM rated, FRA capable |
| Remote Digitizers | CS1200 (Voltage), CS1201 (Current), CS1202 (Transistor), CS1203 (VSAT) |
| Digitizer Bandwidth | Up to 1 GHz (CS1201 + CS1501), 5 GSPS transient capture (CS1202) |
| Pods | Digital I/O, Voltage, Current, Temperature, CAN |
| Data Export | Excel, text, binary, live streaming to MATLAB & Excel |
| Software Functions | Scope, Spectrum, Maths, FRA, Protocol Decode, Streaming |
| Pulse Generation | Arbitrary, double/triple pulse, PWM |
| Streaming Rate | Up to 3 MSPS |
| Operating Temperature | 0°C to +40°C |
| Form Factor | Modular, robust aluminum housing |
| Price (USD) | ~$10,800 (4 channels); highly competitive per channel |