INTRODUCTION TO ELECTRONICS
INTRODUCTION TO ELECTRONICS ECSE 2050
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This 5 page Class Notes was uploaded by Miss Damien Crooks on Monday October 19, 2015. The Class Notes belongs to ECSE 2050 at Rensselaer Polytechnic Institute taught by Mona Hella in Fall. Since its upload, it has received 140 views. For similar materials see /class/224775/ecse-2050-rensselaer-polytechnic-institute in ELECTRICAL AND COMPUTER ENGINEERING at Rensselaer Polytechnic Institute.
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Date Created: 10/19/15
ECSE ZOSO Fall 2011 Introduction to Electronics Purpose Lab 3 Diode Recti cation and Zener Characterization Build and test a fullwave recti cation and characterize a Zener diode in its forward and reversebias regions Prelab 1 In PSpice build the circuit in Fig 1 using D1N4004 diodes and aVSIN source for V1 and run a transient simulation a b 0 3 1 Figure 1 Full wave recti er 2 For V1 use the following settings VOFF0V VAMPL3V FREQ250HZ Set up the transient simulation to capture at least 5 periods of the input signal V1 Use voltage probes to measure the voltage at A1 and A2 Note that A2 is a differential measurement Submit a plot of the voltages A1 and A2 Add a 10 HF capacitor in parallel with the resistor and rerun the simulation Submit a plot of the voltages A1 and A2 V1 Figure 2 Zener characterization circuit In PSpice build the circuit in Fig 2 Use a VDC source for the input voltage V1 and D1N751 from the DIODE library for D1 Sweep the source voltage from 1V to 65V and plot the current into the cathode of the a b diode If you are having trouble simulating with the diodes refer to the PSpice guide on LMS to add the n0mlib library to your simulation pro le Submit a screenshot of your circuit and your current vs voltage plot Note that the voltage is the source voltage not the voltage across the diode VDPlot z39 D vs VD refer to the previous lab for instructions Estimate the diode s VZK and 12K ECSE2050 Fall 2011 Introduction to Electronics ECSE ZOSO Fall 2011 Introduction to Electronics Problem 1 1 Construct the circuit shownin Fig 1 using 1N4004 diodes using the AWGl of the Mobile Studio Board as the circuit s V1 input Use the following settings for the function generator and oscilloscope AWG1 Settings Scope A2 Settings 2 5 Observe and capture the output waveform across the lKQ resistor Submit a screenshot of the input and output waveforms Explain why the waveform appears as it does describing how the diodes operation relate to the resulting signal 0 The diodes block the ow of current in such a way that the current ow is always in the positive direction throughthe resistor whenthe input voltage is a sinusoidal wave amount ma mam 3 52 Insert a 10 HF capacitor in parallel with the lKQ resistor and document the change in waveform ensure that the capacitor s polarity is correct Submit a screenshot of the new waveform Measure the resulting ripple voltage Vpp VT Vp Vi 171 129 052V S 72050 Fall 2011 Introduction to Electronics Problem 2 Inthis section the 51V zener diode 1N751 will be characterizedin a similar manner as the 1N4004 diode in the previous lab However the Mobile Studio Board cannot genemte a signal large enoughto test the zener the MSB can only genemte signals 35V To overcome this limitationin the test equipment in this case the MSB construct a noninverting ampli er With a gain of 2 shownm Fig 3 To be submitted Sl Screenshot of zeneri DvD characteristic SZ Plot of I39DVD characteristic from ExcelMATLABetc S3 Estimated VZK and M from I39DVD data S4 Estimated V20 and r2 Buffer Diode Ampli er Characterization Figure 3 Zener characterization circuit with OpAmp ampli er Hnrrzuntai 1m msm ECSE ZOSO Fall 2011 Introduction to Electronics ID VS VD