ece 2300L lab 1

docx

School

California Polytechnic State University, Pomona *

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Course

2300L

Subject

Electrical Engineering

Date

Apr 3, 2024

Type

docx

Pages

4

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California Polytechnic State University Pomona DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING Lab 1 ECE 2300L Prof. Ramos Introduction design.
Lab Data Parts List: Part Name Quantity Value Component D1, D2 2 LED Light emitting diode R1, R2 2 1k Resistor R3, R4 2 330 Resistor SW1, SW2 2 SPST Switch Single Pole Single Throw (SPST) Switch U1 (A-D) 4 74LS00 Quad 2-Input NAND Gate U2 1 74LS86 Quad 2-input XOR Gate U3(A-B) 2 74LS04 Hex Inverter -See schematic for all labeled components IC Pinouts:
Truth Tables: NAND Truth Table A B Y 0 0 1 0 1 1 1 0 1 1 1 0 XOR Truth Table A B Y 0 0 0 0 1 1 1 0 1 1 1 0 Schematic:
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Lab Procedure: To verify that our circuit was correct, we turned on the connected power supply, changed voltage to 5V, and found that our LEDs were glowing properly, thus concluding the procedure. Post-Lab 1. Why do you need a 330-ohm resistor for the LED?