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The CS328A is a high-performance 2-channel USB oscilloscope with 100 MHz bandwidth and 8 digital inputs, designed for PC/laptop integration. With advanced PC software, deep memory, optional signal generator, and math/spectrum tools, it’s ideal for electronics labs, audio testing, education, and digital debugging..
The CS328A plugs into a PC via USB and is controlled by powerful Windows software that supports a wide range of measurements and visualizations. Each unit includes two 100 MHz analog channels and two RJ45 ports for connecting eight digital inputs. The system supports AC/DC coupling, mixed signal triggering, peak detect, and repetitive waveform acquisition.
It includes:
Probe support: Supplied with 2x 1x/10x 100 MHz analog probes and digital input adapters
PC software: Full GUI with zoom, panning, control panel, FFT/spectrum analysis, protocol decoding
Math support: Trigonometric, integration, symbolic expressions, and custom equations
Export options: Copy/paste visuals, export CSV/data files, and remote control via LAN
Expandable design: Add memory, vertical resolution modules, signal generator, or link 2 CS328As via RS422 for expanded channel count (4 analog, 16 digital)
Dual analog channels + 8 digital input channels
100 MHz analog bandwidth
100 MS/s sampling rate (200 MS/s with delay line)
Optional 12-bit/14-bit vertical resolution via expansion
4Mpts memory (expandable to 8Mpts)
Optional 10 MHz signal generator (sine, square, triangle, sweep)
Mixed signal triggering on analog/digital channels
Protocol decode, THD measurement, spectrum analysis
Maths equation builder with symbolic math support
Optional RS422 link for 4-channel analog / 16-channel digital expansion
Data logging, signal info, PC-based control and display
| Category | Specification |
|---|---|
| Analog Channels | 2 |
| Digital Inputs | 8 (via RJ45) |
| Bandwidth | DC–100 MHz (analog) |
| Sampling Rate | 100 MS/s per channel (200 MS/s with delay line) |
| Vertical Sensitivity | 20 mV/div to 20 V/div |
| Vertical Resolution | 10 bits (12/14 bits optional) |
| Memory Depth | 4Mpts (standard), 8Mpts (optional) |
| Signal Generator | Optional, up to 10 MHz (sine, triangle, square, sweep) |
| Triggering | Edge, pattern, logic level on any channel |
| Math Functions | Arithmetic, integration, trigonometric, Fourier, symbolic |
| FFT/Spectrum Analysis | Yes (with power spectrum mode) |
| Data Export | Text, image copy, spreadsheet-ready |
| Dimensions | 153 × 195 × 35 mm |
| Price (2008) | AUD $1590 + GST |