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Cleverscope | Oscilloscopes

Cleverscope CS448 Isolated Channel Oscilloscope

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NABL-Accredited Calibration | Available on Request

The CS448 is a 4-channel, high CMRR, fully isolated oscilloscope designed to measure signals in full or three-phase power electronic switching bridges. With 14-bit resolution, 200 MHz bandwidth, an isolated signal generator, and advanced digital inputs, it's ideal for gate drive, power, EMC, and control system measurements. Two units can be linked for 8-channel coherent sampling..

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  • Detail
  • Special Features
  • Specification

The CS448 enables accurate and safe measurement in high-voltage, fast-switching environments. It includes isolated signal paths, ensuring precise data capture with minimal interference. Each channel supports ±0.8V and ±8V input ranges (extendable using probes), and the unit supports a dynamic range of 100 dB with 14-bit resolution.

The isolated signal generator supports up to 65 MHz outputs, with programmable arbitrary waveforms (future UI support). USB 3.0 and SFP-based Ethernet allow high-speed communication. Two FPGA-based trigger systems offer flexible analog/digital logic conditions for event capture.

The software includes spectrum analysis, FRA, and full protocol decoding (I2C, SPI, UART), with features for streaming, logging, and live MATLAB/Excel interfacing.

Advanced measurement use cases include:

  • Gate charge and conduction loss in VSDs

  • EMI spectrum testing using 100x probes

  • High-speed switching analysis (e.g., 500V in 10ns)

  • Frequency response of power supply and components

(Some advanced waveform generation and real-time filtering features are pending software updates.)

  • 4 Fibre Optic Isolated Channels (1kV Cat III, 2kV Cat II)

  • 14-bit ADC Resolution, 200 MHz Bandwidth

  • Signal Generator: DC–65 MHz, Arbitrary Waveform Capable

  • 8 Isolated Digital Inputs (1kV working, 100 kV/us transient immunity)

  • USB 3.0 (130 MBps) and Ethernet (Copper & Optical)*

  • Advanced Trigger System (AND/OR/XOR logic, time sequences)

  • Low Channel Noise (200 uV rms @ ±0.8V range)

  • High CMRR: >100 dB @ 50 MHz

  • SFP-based Ethernet & SD Card Storage*

  • Link Port for Cleverscope accessories & 8-channel daisy chaining

  • Spectrum Analysis, FRA, and Streaming Support

  • Self-calibration and probe compensation tools

Category Specification
Analog Channels 4 (Fibre optic isolated)
ADC Resolution 14-bit
Bandwidth 200 MHz
CMRR >120 dB @ 1 MHz, >100 dB @ 50 MHz
Sample Rate 400 MSPS (Upgradable to 500 MSPS)
Memory 10 MS/channel (Planned: 500 MS total)
Input Range ±0.8V, ±8V (800V w/ 100x probe)
Noise 200 µV rms (±0.8V), 2 mV rms (±8V)
Signal Generator DC–65 MHz, ±3.5V p-p, <100 µV noise, 12-bit DAC
Digital Inputs 8 (2 pods of 4), 100 Mbps, 100 kV/µs immunity
Triggering AND/OR/XOR, analog & digital sequences
Connectivity USB 3.0 (130 MBps), Ethernet (RJ45 & optical SFP*)
Power Supply 10–24V DC, 36W, car-crank safe
Isolation 1 kV working (Cat III), 2 kV (Cat II)
Enclosure Powder-coated aluminum, 1.15 kg
Dimensions 247 × 164 × 55 mm
Environmental 0–40°C operating, <90% RH