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Rectifier circuits

Rectifier circuits

Item no.: P2440700

Difficulty Expenditure of Time print
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Principle

The ripple of the output voltage of various rectifier circuits is measured as a function of the load current strength and the charging capacitance. The characteristics of a voltage stabilizer and of a multiplier are investigated.

Benefits

  • Get to know several types of rectifier circuits
  • Suitable for vocational classes

Tasks

  • Using the half-wave rectifier:
  1. To display the output voltage (without charging capacitor) on the oscilloscope.
  2. To measure the diode current I_d as a function of the output current strength I_0 (with the charging capacitor).
  3. To measure the ripple component U_ACpp of the output voltage as a function of the output current (C=constant).
  4. To measure the ripple as a function of the capacitance (I_0=constant).
  5. To measure the output voltage U_0 as a function of the input voltage U_i (I_0=0).
  • Using the bridge rectifier:
  1. To display the output voltage (without charging capacitor) on the oscilloscope.
  2. To measure the current I_d through one diode as a function of the output current I_0 (with the charging capacitor).
  3. To measure the ripple of the output voltage as a function of the output current (C=constant).
  4. To measure the ripple as a function of the capacitance (I_0=constant).
  5. To measure the output voltage as a function of the input voltage.
  • To measure the voltage U_c at the charging capacitor, and the output voltage of a stabilised voltage source as a function of the input voltage U_i.
  • To measure the output voltage of a voltage multiplier circuit as a function of the input voltage.

What you can learn about

  • Half-wave rectifier
  • Full-wave rectifier
  • Graetz rectifier
  • Diode and Zener diode
  • Avalanche effect
  • Charging capacitor
  • Ripple
  • r.m.s. value
  • Internal resistance
  • Smoothing factor
  • Ripple voltage
  • Voltage stabilisation
  • Voltage doubling
Document     Filesize
p2440700e.pdf Experiment guide, English 544.5 KB

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