Conversion / processing model

Ref: 185040
  • Acquisition of signals from the sampler blocker to analogue-digital and digital-analogue conversion
  • Evaluation of the impact of the conversion parameters in real-time
  • Acquisition of a frame of digital data
  • Controlling the actuator (all-or-nothing or controllable output)
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Data sheet Conversion / processing model


➀ the sampler blocker is activated, either manually by pressing a button or automatically at a frequency that the student selects with a switch.
➁ The analogue-digital converter converts the blocked voltage into a binary word displayed using an LED, for which the student adjusts the resolution using a switch.
➂ The digital-analogue converter reproduces a voltage. This voltage is the image of the quantified voltage, which may be compared to the sampled-blocked voltage (see opposite).
➃ The frame of data may be measured to demonstrate
the principle of concatenation of digital data in series form, data which are the image of the digitised analogue signal.
➄ The digital processing can defi ne the transfer characteristics of a sensor, to display the value of the real physical magnitude (magnitude and unit) and program a setting to control an actuator.
Propagation medium Digital frame
Theme: human histology Signal conditioing / Measurement chain, A/D - D/A conversions

Other Specifications

1 input voltage / sensor ± 5 V.
1 output 32 Ohms ± 5 V (compatible with headset
and loudspeaker).
1 output all-or-nothing or controllable 0-5 V.
Resolution: 2, 4, 6, 8 and 10 bits.
Sampling frequency: 1, 5, 10, 15 and 20 kHz.
Manual or automatic sample blocking
Bar graph of binary word upon LED.
1 programmed digital processing interface.
12 V power supply provided.