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Table 1 Features of experiment setup

From: Monitoring fatigue cracks of a metal structure using an eddy current sensor

Parameters

Description

Signal generator

f = 0.1 Hz–10 MHz, four channels

AC amplifier

10–50 dB, nominal power 15 W, optional pre-amp

Acquisition card

6 channels, up to 200 MHz sampling rate

Input

4 real-time inputs, 8 control, inputs, external trigger, external gate

Output

Real-time multiplexed controller, 8, programmable control outputs