Logic circuit 2 in Figure 3.37 (page 87 of the book) has inputs AĪnd B. Logic circuit 1 in Figure 3.36 (page 87 of the book) has inputs A, B,Ĭ. Your job: Fill in the blanks with either aįor example, in part a, the missing item is X. X represents the case where it can be replaced by either a 0 or a 1 and Shown below are several logical identities with one item missing in each. i.e., all transistors will have their gates properly labeled with either A, B, or C,Īnd all rows of the truth table will have a 0 or 1 specified as the output. Also, the outputs for some of the input combinations of the truth table are not specified. The inputs to some of the gates of the transistors are not specified. The transistor circuit shown below produces the accompanying truth table.With either a wire or no wire to reflect the circuit’s operation when Replace the transistors in your diagrams from part ( a).(Figures can be found in the book on pages Do this by extending the designs fromįigures 3.6a and 3.7a. (3.11) Draw a transistor-level diagram for a three-input AND gateĪnd a three-input OR gate.Write the logic equation for Y in terms of A,B,C that solves this problem, and draw the gate-level diagram. He should also shave his beard if he wants a new fresher look and beards are not "cool". We think that Professor Patt should shave his beard if he has been uncomfortably warm this summer. The circuit will receive three input variables (A, B, C) that answer three different yes/no questions (1=yes, 0=no).Ī<=Has Professor Patt been uncomfortably warm this summer?ī<=Does Professor Patt want a new, fresher look? Your job is to design a logic circuit whose output Y is equal to 1 when Professor Patt should shave his beard, and 0 when he should not. Professor Patt is trying to decide when he should shave his beard. Of the TA and the time for the discussion section you would like You are encouraged to work on the problem set in groups and turn TAs:Stephen Pruett, Siavash Zangeneh, Aniket Deshmukh, Zachary Susskind, Meiling Tang, Jiahan Liu EE 306 - Problem Set 2 Department of Electrical and Computer Engineering The University of Texas at Austin
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