Seminar tasks

Photo: Prof. Dr.-Ing. Stephan Kühne
Prof. Dr.-Ing.
Stephan Kühne
Faculty of Electrical Engineering and Computer Science
02763 Zittau
Theodor-Körner-Allee 16
Building Z I, Room 1.32
1st floor
+49 3583 612-4381

1. rectifier circuit

  • Circuit and time characteristics of the electrical variables of an M2 rectifier circuit
  • Determination of the transformation ratio of the mains transformer
  • Determination of the minimum terminating resistance for a given maximum diode power loss

2. setting the operating point of the transistor

  • Circuit arrangement of an operating point setting using a base voltage divider
  • Dimensioning of a circuit arrangement for operating point adjustment
  • Determination of the input resistance of the circuit

3. current feedback

  • Dimensioning of a negative feedback emitter circuit
  • Explanation of the principle of dynamic resistance increase
  • Calculation of the input resistance of a negative feedback transistor circuit

4. h equivalent circuit diagram

  • Setting up the h equivalent circuit diagram for an amplifier stage
  • Determining the input and output resistance, the current and voltage gain using the h-parameters

4.1 Frequency behavior of the emitter circuit

  • Emitter resistance and capacitance
  • Frequency dependence of the voltage gain
  • Bode diagram

5. transistor switching stage

  • Characteristics of a negative base bias voltage
  • Dimensioning of an amplifier stage with negative base bias voltage

6. differential amplifier

  • Design of a differential amplifier
  • Common mode and differential amplification

7. overload protection

  • Transistor switching stage with additional base-collector diode
  • Calculation of the operating points of the transistor with additional base-collector diode

8. field-effect transistors

  • Systematization of field-effect transistors
  • Determination of the source and drain resistance of a negative feedback circuit

9. constant current source with FET

  • Determining the dependence of the drain current on the source resistance
  • Determining the maximum load resistance of the constant current source

10. toggle circuit

  • Mode of operation of a toggle circuit with Schmitt trigger
  • Determining the frequency and duty cycle of an oscillating circuit

11. circuits with OPV

  • Determining the transfer function of an OPV
  • Common mode and differential amplification

12. PI controller with operational amplifier

  • Determining the resistor and capacitor circuit of a PI controller
  • Bode diagram
  • Determining the output voltage curve over time with a sinusoidal input voltage

Solutions in short form