Lab 6 - FL13 - ECE 198 JL - University of Illinois - Engineering Wiki

Lab 6 - FL13 - ECE 198 JL - University of Illinois - Engineering Wiki

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Lab 6 - FL13 Working Lab 6 assignment is to be shown to a TA in office hours on Tuesday, Wednesday, or Thursday. You need to show both a working circuit and the XOR schematic labeled with pins used for each NAND gate. Please do not leave it all to the last day (Thursday)! We will not have enough space to accommodate all students in one day. Therefore, to encourage you to do the lab earlier, we will give 1 bonus point (~4% of the lab grade) for turning in the assignment on Tuesday and 0.5 bonus points (~2% of the lab grade) for turning in the assignment on Wednesday. Digital Logic design with TTL microchips In lab 5, we explored how to prototype and debug circuits in a Computer Assisted Design (CAD) environment. In this lab, we will explore how to prototype circuits with an electronic prototyping board ("protoboard"). Protoboards are useful for prototyping small circuits since they remove the need to solder or wire-wrap your connections which can make debugging and experimentation faster. By working with a protoboard, you will learn about some of the additional challenges of prototyping and creating physical circuits and gain a deeper understanding of the importance for why we abstract voltages and currents as ones and zeros in digital circuits as well as why this abstraction sometimes fails. The lab will begin with an explanation of how the protoboard works, then we will discuss how to use the integrated circuit (IC) chips in your lab kit, and then finally you will begin to design some simple digital logic circuits. In future labs, you will design a digital circuit that could control a hypothetical vending machine. Getting started This lab is to be done by teams of 2 students. Therefore, your first task is to find a partner, preferably from the same discussion section. Download, print, sign this form with yor lab partner and take it with your student IDs to room 265 Everitt Lab where you will receive a protoboard kit. (One kit per team.) You will have to return this kit back by November 8, 2013. Go to ECE shop and purchase a 9 volt battery and battery clip for it. This will be needed to power up your circuits. The Protoboard The picture below shows a protoboard with a digital circuit assembled on it. There a few key features that you should notice about the protoboard.
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On the left-hand side of the photo are four colored jacks: three red and one black These jacks are used to connect your protoboard to the powersupply. The white portion of the board with hundreds of pinholes is referred to as the breadboard. You will build your circuits in this portion of the board. There are two types of smaller breadboards: bus strips and terminal strips Bus strips are the sections of the breadboard that have a red line with a '+' sign on one side and a blue line with a '-' sign on the other side.
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Lab 6 - FL13 - ECE 198 JL - University of Illinois - Engineering Wiki

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