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ET353 · Processing Electrical Signals

Processing Electrical Signals

A comprehensive course package for the ET platform: hands-on exploration of dynamic signal processing using industrial-standard analog circuits. This unified module features both the Calculus Operators Card and the High Frequency & Filters Card, powered and monitored by the ET300 base system, complete with guided multimedia courseware.
Experiments
  • Calculus Operators: Mathematical integration and differentiation of step, square, and sine waveforms, and their application in PID control systems
  • High Frequency: Generation of 40kHz signals for ultrasonic applications and band-pass filtering to isolate specific frequencies
  • Data Acquisition: Freezing fast-moving analog signals using Sample-and-Hold circuitry and removing high-frequency noise with switchable low-pass filters
ET353 Dynamic Signal Processing experiment cards
Description
    The platform teaches the fundamentals of dynamic analog computation and signal processing through guided, hands-on experiments.
  • The Calculus Operators Card carries real-time integrator and differentiator circuits with switchable time-constants, allowing students to observe real-time waveform transformations.
  • The High Frequency & Filters Card features a four-quadrant layout (40kHz Oscillator, Band-Pass Filter, Low-Pass Filter, and Sample & Hold) to teach the principles of sonar ranging and analog-to-digital conversion (ADC).
    • Accessible measuring points on both cards expose all critical signal nodes, which are driven and acquired by the base system's virtual instruments.
Courseware
    The interactive multimedia course combines theory with guided experiments: the mathematics of continuous change, phase shifts in reactive circuits, and the Nyquist-Shannon sampling theorem. Student answers are evaluated automatically, and the full course—at least 8 hours of directed instruction (4 hours per card)—is available with multi-language support.
Scope of Delivery
  • 1x Calculus Operators Card
  • 1x High Frequency & Filters Card
  • Storage case(s)
  • Multimedia course software with course browser
  • Connection cables
Specifications
    Key Components (Calculus) Op-Amps, Switchable Capacitors, Precision Resistors
    Key Components (HF/Filters) Op-, S/H Integrated Circuit, Switchable Capacitors
    Measuring Points Calculus: Input (IN), Output (OUT), Ground (GND); HF/Filters: Signal Inputs (IN), Clock/Hold Inputs, Outputs (OUT)
    Supply Fixed ±15V from base system
    Measurement Oscilloscope, Spectrum Analyzer
    Base System Requires ET300

Part of package

Electrical Engineering Training System

ET300 interface unit and experimenter module ET311 three-phase systems experiment card ET321 experiment card ET331 network analysis experiment card and plug-in resistor board ET341 Thermal and Environmental experiment cards ET342 Position and Speed experiment cards ET343 Capacitive and Inductive experiment cards
ET344 Force and Pressure experiment cards ET345 Optical and Acoustic experiment cards ET351 Signal Conditioning and Amplification experiment cards ET352 Signal Conversion experiment cards ET353 Dynamic Signal Processing experiment cards ET361 Display Card: Digital Counter and Bar-Graph

A modular electrical-engineering training platform built around virtual instrumentation. The ET300 base system hosts a family of course modules covering three-phase systems, multimeter measurement, network analysis, and sensor measurement technology for non-electrical quantities.

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