Die Prüfungsfragen mit Gewichtung:
1.) (7%) What is a passive and active electronic device? Please give some examples.
2.) (8%) Add a schematic drawing of a non-invertin electrometer amplifier for gain equal to 1. What is the advantage of this circuit?
3.) (7%) Describe the phase sensitive demodulation, add drawings.
4.) (8%) Describe the perfectly polarizable and non-polarizable electrodes.
5.) (7%) What is the receiver operating characteristic? Add drawings.
6.) (8%) How the neural conduction velocity can be measured? Add drawings.
7.) (7%) Describe the functional set-up of the cocklear implament, add a block diagram.
8.) (8%) What is a lithotriptor?
9.) Exercise 1 (10% - not translated literally): A time line is drawn. Insert a respiratory chest belt signal and the matching ecg.
10.) Exercise 2 (10%): Application fields of impedance measurement in medicine and biology.
11.) Exercise 3 (10%): What is stimulated first during functional electric stimulation with increasing stimulation voltage: synapse or muscle?
12.) Exercise 4 (10%): Sketch out a block diagram of a ecg-amplifier
Angeblich waren folgende Fragenthemen bei der letzten Prüfung:
-) Helmholtz-Doppelschicht
-) Wie kann man die kapazitive Wirkung die Elektrolyt-Elektrodenimpedanz verringern (Fläche vergrössern, Frequenz erhöhen, …)
Viel Spass