5 Electricity and Magnetism 5.3 Electric Current and Resistance
Characteristic curves of semiconductors with Cobra3 and FG module
P2410915
Collector current/voltage characteristic of BC337 transistor.
Principle Determine the current strength flowing through a semi-conducting diode. Determine the collector current with the collector voltage for various values of the base current intensity.
Cobra4 Experiment - available 2013 Characteristic curves of semicconductor with Cobra4 P2410960
Tasks 1. To investigate the dependence of the current strength flowing through a semi-conducting diode. 2. To determine the variations of the collector current with the collector voltage for varios values of the base current intensity. What you can learn about ▪ ▪ ▪ ▪
Semiconductor, P-n junction, Energy-band diagram Acceptors, Donors Valence band, Conduction band Transistor, Operating point
Main articles Cobra3 BASIC-UNIT, USB Measuring module function generator Software Cobra3 PowerGraph Plug-in board,4mm plugs Digital multimeter 2010 Potentiometer 1 kOhm, 0.4W, G2 Power supply 12V / 2A Transistor BC337, base left, G3 Resistor 47 kOhm, 1W, G1 Semiconduct.diode/si/1 N 4007,G1
12150-50 12111-00 14525-61 06033-00 07128-00 39103-04 12151-99 39127-20 39104-38 39106-02
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