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Cleverscope | Oscilloscopes

Cleverscope CS328A Mixed Signal Oscilloscope with FRA, Spectrum, and Signal Generator Support

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NABL-Accredited Calibration | Available on Request

The Cleverscope CS328A is a high-precision, mixed-signal PC-based oscilloscope system offering deep memory, 14-bit resolution, advanced triggering, spectrum and FRA analysis, and integrated signal generation. Ideal for engineers working on switch-mode power supplies, motor controllers, CCD systems, and digital filters, it delivers unmatched visibility into both analog and digital domains with SNR up to 86.6 dB and ENOB exceeding 14 bits using advanced averaging and moving average filters..

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  • Detail
  • Special Features
  • Specification

The Cleverscope CS328A is designed with deep technical diagnostics in mind:

  • Noise and Signal Clarity: Achieves ENOB of 11.1 bits (non-averaged), up to 14.1 bits (with averaging).

  • FRA Use Case: Cleanly measures gain/phase margins on TI’s TPS55340 EVM with ±11 mV signal injection and 0 dB crossover near 7 kHz.

  • Signal Generator: Sweeps from 0.003 Hz to 10 MHz, supports synchronized frequency steps and amplitude ramping.

  • Advanced Filtering: Supports moving average filters with selectable time constants (up to 1.28 µs), boosting SNR by 20+ dB.

  • Physical Design: Aluminum-shielded case, multi-layer PCB with ground/power isolation, and anti-EMI layout practices.

  • Digital & Analog Correlation: Simultaneously acquire 2 analog and 8 digital channels with tracking and zoom-in capability.

  • Spectrum and Math Processing: Ideal for verifying motor torque, PWM integrity, filter response, or digital signal correlations.

  • Up to 14-bit ADC resolution with dynamic range >90 dB

  • Dual hardware ranges (±2.5V and ±20V) with dynamic front-end scaling

  • Peak capture mode for sub-10 ns glitch detection

  • Synchronous gain/phase FRA analysis with real-time FFT

  • Integrated signal generator: sine, square, triangle, arbitrary, DC

  • 4M sample memory, real-time tracking graphs, and zooming capability

  • Advanced math module: integration, differentiation, filters, dB calculations

  • Dual independent trigger definitions (edge, state, time-based, pattern)

  • Low crosstalk (~–76 dB), minimal ground noise (<1.4 mVpp)

  • Moving average resolution enhancement: up to +3.5 bits ENOB

Parameter Details
ADC Resolution 10 / 12 / 14 bits (model dependent)
Max ENOB (with processing) 14.1 bits (86.6 dB SNR)
Sample Rate 100 MSPS
Channels 2 Analog + 8 Digital
Sample Memory 4M samples (2M per frame min)
Input Ranges ±2.5V, ±20V (auto-scaled)
Peak Capture Resolution 10 ns
Crosstalk –76 dB (typical), ~–90 dB at <20 kHz
Ground Noise <1.4 mVpp
Noise Floor (non-avg) ~–90 dBV (5V FSD), down to –105 dBV (low range)
Signal Generator 0.003 Hz – 10 MHz, ±10V, multiple waveforms
Trigger Modes Edge, duration, pattern, count, dual sync
Filter Response Evaluation Yes (spectrum + FRA mode)
Math Functions +, –, ×, ÷, sqrt, log, sin, cos, diff, integral, filter
Moving Average Filter Options 40 ns to 1.28 µs, up to +3.5 bits SNR gain
Operating System Interface Windows GUI, multi-panel with history
Self Calibration Yes
Overload Protection ±300 Vrms
Anti-Alias Filtering 20 MHz (auto-enabled at <10 mV FSD)