Dies ist eine alte Version des Dokuments!
Exercise - Quiz
<quizlib id=„quiz3“ rightanswers=„'a3'“ submit=„check answers“>
<question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox">
Current-to-voltage converter| Current amplifier| Voltage-to-current converter| Voltage amplifier </question></quizlib>
Exercise - Quiz
<quizlib id=„quiz3“ rightanswers=„'a3'“ submit=„check answers“>
<question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox">
Current-to-voltage converter| Current amplifier| Voltage-to-current converter| Voltage amplifier </question></quizlib>
Exercise - Quiz
<quizlib id=„quiz3“ rightanswers=„'a3'“ submit=„check answers“>
<question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox">
Current-to-voltage converter| Current amplifier| Voltage-to-current converter| Voltage amplifier </question></quizlib>
Exercise - Quiz
<quizlib id=„quiz3“ rightanswers=„'a3'“ submit=„check answers“>
<question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox">
Current-to-voltage converter| Current amplifier| Voltage-to-current converter| Voltage amplifier </question></quizlib>
Exercise - Quiz
<quizlib id=„quiz4“ rightanswers=„'a0', 'a3'“ submit=„check answers“>
<question title="The transfer resistance ..." type="checkbox">
Cannot be measured using a resistance meter| Can be used for voltage dividers| Is given by ${U_\rm I} \over {I_\rm O}$, with input voltage $U_\rm I$ and output current $I_\rm O$| represents the gain </question></quizlib>
Exercise - Quiz
<quizlib id=„quiz5“ rightanswers=„'a0','a3'“ submit=„check answers“>
<question title="An amplifier circuit..." type="checkbox">
… needs an additional power supply for the amplification.| … can only be built with positive feedback. | … controls by an input circuit with high power output with small power.| … has to include a voltage divider </question></quizlib>
<quizlib id=„quiz“ rightanswers=„[['a1'],['a0', 'a1', 'a2', 'a3'], ['a1', 'a3', 'a5'], ['a1', 'a2', 'a3'], ['a0', 'a1', 'a2', 'a3'], ['a0', 'a1']“ submit=„Check answers“>
<question title=„Which of the following statement(s) is/are correct?“ type=„checkbox“> P-doping produces quasi-free electrons| Conductivity in semiconductors happens via conduction and valence band| The diode blocks at any negative voltage (reverse voltage).| The diode can be modeled as a voltage source and capacitor </question>
<question title=„On which physical properties does the forward voltage $U_S$ depend?“ type=„checkbox“> temperature| current range considered| (semiconductor) material| LED color| breakdown voltage of the Z-diode </question>
<question title=„Which statement(s) about the junction is/are correct?“ type=„checkbox“> There is no electric field in the junction| The junction does not contain free charge carriers| The junction becomes larger when current is passed through it| Electron-hole pairs are created in the junction by photons| The junction is enlarged in the Schottky diode compared to the PN diode| The junction forms a capacitor </question>
<question title=„Statements about the conduction/valence band“ type=„checkbox“> Photon capture can move electrons from the conduction band to the valence band| „Recombination“ removes an electron from the valence band and a hole from the conduction band| A donor creates one or more quasi-free electrons| The band gap indicates the maximum energetic distance between the conduction and valence bands </question>
<question title=„The forward voltage …“ type=„checkbox“> … for silicon is about 0.6 … 0.7 V| … serves to allow electrons to cross the bandgap| … depends on the current range under consideration| … is smaller for germanium diodes than for silicon diodes. </question>
<question title=„The forward current …“ type=„checkbox“> … Is dependent on the temperature| … depends on the forward voltage| … is logarithmic concerning the forward voltage| … depends on the reverse voltage </question> </quizlib>