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Unformatted text preview: ECE 322L: Microelectronics Lab Lab #1: Thévenin and Norton Equivalence Objectives: Familiarization with lab equipment and reinforcement of concept of Thévenin and Norton equivalence. Understanding the difference between terminal characteristics and internal characteristics of the equivalent circuit. Understanding of the difference between nominal and actual component values. Materials: DC power supply Multimeter Solderless breadboard Hookup wire Assorted resistors Setup: Build the circuit shown below. Use 5% tolerance resistors for all circuits in this lab (not more accurate ones). Use the bench DC power supply to generate 5.000V. Background: The discussion that follows only applies to source circuits without dependent sources. An example of where Thévenin equivalent circuits will be used later in the course can be found on page 248 of your textbook (page 323 if you are using the old 2nd edition), where the analysis simplifies design of BJT bias circuits. The Thévenin equivalent resistance R th can be found by setting the voltages and currents of all sources in the source circuit to 0 and then finding the equivalent resistance between the source terminals with the load circuit removed. resistance between the source terminals with the load circuit removed....
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- Spring '08
- Microelectronics, Resistor, Electrical resistance, Electrical impedance, Current Source