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Unformatted text preview: Experiment 9: MOS Characterization and Amplifiers 1 Objective The MOS transistor is another circuit element typically used in integrated circuits. Although they have similar functions to BJTs and can be put into several analogous topography (e.g. the cascode, common drain, common gate, common source), MOS transistors are completely different in terms of their characteristics and physical mechanisms underlying their operation. This lab will explore the differences between BJTs and MOSFETs as well as analyze their advantages and disadvantages. 2 Materials The items listed in table 1 will be needed. Note: Be sure to answer the questions on the report as you proceed through this lab. The report questions are labeled according to the sections in the experiment. CAUTION: FOR THIS EXPERIMENT, THE TRANSISTORS CAN BECOME EXTREMELY HOT!!! Component Quantity BS170 NMOSFET 2 8 speaker 1 100 resistor 1 5 . 1 k resistor 1 51 k resistor 1 10 F capacitor 1 Microphone 1 Table 1: Components used in this lab 3 Procedure 3.1 The Three Regions of Operation Similar to a BJT, a MOSFET also has several regions of operation....
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- Spring '08