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Chapter 2 Circuit Elements

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Presentation on theme: "Chapter 2 Circuit Elements"— Presentation transcript:

1 Chapter 2 Circuit Elements

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20 Figure 2. 3-3 (a) An incandescent lamp
Figure (a) An incandescent lamp. (b) Voltage–current relationship for an incandescent lamp. The lamp is linear within the range im  i  im. i-v characteristic

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23 Small thick-film resistor chips
Wirewound resistor A 1/4-watt metal film resistor Different types of resistors Small thick-film resistor chips

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36 Figure 2.6-3 (a).Open circuit. (b) Short circuit.
Ideal current source i(t) = 0 Ideal voltage source v(t) = 0

37 Figure 2.7-3 (a) An example circuit,
(b) plus an open circuit and a short circuit. (c) The open circuit is replaced by a voltmeter, and the short circuit is replaced by an ammeter. All resistance are in ohms.

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51 Other circuit simulators
PSPICE (SPICE = Simulation Program with Integrated Circuits Emphasis) TINA (Toolkit for Interactive Network Analysis) Etc.

52 Figure 2.9-1 (a) The symbol and (b) a model for the potentiometer.
Transducers : devices that convert physical quantities to electrical quantities                Figure (a) The symbol and (b) a model for the potentiometer.

53 Figure 2. 9-2 (a) A circuit containing a potentiometer
Figure (a) A circuit containing a potentiometer. (b) An equivalent circuit containing a model of the potentiometer.

54 Other Transducers Temperature sensor Pressure sensor Photo sensor
Displacement sensor Etc.

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59 Summary First Electrical Engineer Linear Model
Active &Passive Circuit Elements Resistors Independent Sources Dependent Sources Transducers Switches


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