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HomeworkAssignment04Solution

# Answer true 16 below is a depiction of an n channel

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Unformatted text preview: depiction of an n-channel enhancement-mode MOSFET. Annotate the diagram with a ―p‖ or ―n‖ to show the substrate material, and then indicate the body diode. 17. The units for the 18. Annotate the diagram below, showing the MOSFET channel width (W) and length (L) parameter for a MOSFET is ______ 19. ( ( ( 4 ( 55:041 Electronic Circuits. The University of Iowa. Fall 2011. (4 points) 20. Write down the dc load line equation for the MOSFET in the circuit below. (3 points) 5 55:041 Electronic Circuits. The University of Iowa. Fall 2011. Problem 2 An engineer measures the rise times of the simple low-pass filter below by driving it with a step function, and measuring the attenuation at various frequencies. She uses an oscilloscope with an input impedance of along with a probe. What is the rise time bandwidth of the circuit? What will the engineer measure? (6 points) Solution ( Using the ⁄ we find that true rise time is 2 ms. (‖ Using the ⁄ ( ( ‖( we find she will measure 1.05 ms. 6 ( 55:041 Electronic Circuits. The University of Iowa. Fall 2011. Problem 3 Below is the schematic of a circuit that use a 5 V, three-terminal regulator to generate some higher regulated output voltage. The data sheet for the LM7805 indicate that the quiescent bias current, , is less than 8 mA. Design, by specifying values for and , a 12 V regulator. Given that could be less that 8 m...
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