ENEE 3720L Pre-Lab 5 Analog Electronics Laboratory - Diode Limiters

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Question Description

this is the prelab of exp 5 on diode limiters, clippers and clampers.

you only do the prelab report!

everything is uploaded.

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The Preliminary Report should contain the following information as applicable:

1. A cover page consisting of title, experiment, names of partner(s), course number and section number.

2. Essential circuit diagrams (properly labeled and with all locations for pertinent
measurements clearly indicated) to be used. Any special safety precautions and/or comments should be noted.

3. Preliminary calculations, simulations and pertinent information that may be necessary for the completion of the experiment. 

4. Explanation of anticipated results that may be theoretically obtained before any experimental work is performed. There also should be a discussion of the meaning of the predicted results along with their implications and possible sources of error that may be encountered. 

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ELECTRICAL ENGINEERING DEPARTMENT ENEE 3720L – Analog Electronics Laboratory Laboratory #5 – Diode Limiters (Clippers) and Clampers Objective: The purpose of this experiment is to study the characteristic of nonlinear circuit applications of diodes; which eliminate a part of waveform that lies above or below some reference level, Limiters (or Clippers) and which allows input waveform to be shifted from existing maximum to a new maximum, Clampers. Analysis will consist of implementing the circuits in the laboratory and taking measurements. Equipment: • Diodes: 1N4001, 1N4148 • Assorted Resistors • Functional Generator • • • DC Power Supply Digital Multimeter Oscilloscope Procedure: Part A: Parallel Clippers Characteristics Figure 1: Parallel-Biased Clipper 1) Construct the circuit in Figure 1 with the VDC set at 1.5 V for R of 2.2 kΩ. Measure and record R with associated tolerance. Use 1N4001 diode. 2) Set the oscilloscope in DC mode. 3) Connect the input of the circuit to the function generator and to channel 1 of the oscilloscope. Connect output to channel 2 of the oscilloscope. 4) Copy or take a snap-shot of the input and output voltages superimposed on each other from the oscilloscope. Make sure the zero axes of the waveforms are aligned together, and centered on the screen. 5) Reverse the power supply polarity of the circuit. Lab #5 – Diode Clippers and Clampers Page 1 of 4 ELECTRICAL ENGINEERING DEPARTMENT ENEE 3720L – Analog Electronics Laboratory Laboratory #5 – Diode Limiters (Clippers) and Clampers 6) Copy or take a snap-shot of the input and output voltages superimposed on each other from the oscilloscope. 7) How do the waveforms results differ in steps 4 and 6? What is the function of the power supply in the circuit? Part B: Series Clippers Characteristics Figure 2: Series-Biased Clippers 1) Construct the circuit in Figure 2 with the VDC set at 1.5 V and R of 2.2kΩ. Measure and record the resistors with associated tolerances. Use 1N4001 diode. 2) Set the oscilloscope in DC mode. 3) Connect the input of the circuit to the function generator and channel 1 of the oscilloscope. Connect the output to the channel 2 of the oscilloscope. 4) Copy or take a snap-shot of the input and output voltages superimposed on each other from the oscilloscope. Make sure the zero axes of the waveforms are aligned together and centered on the screen. 5) Reverse the power supply polarity of the circuit. 6) Copy or take a snap-shot of the input and output voltages superimposed on each other from the oscilloscope. Make sure the zero axes of the waveforms are aligned together and centered on the screen. Lab #5 – Diode Clippers and Clampers Page 2 of 4 ELECTRICAL ENGINEERING DEPARTMENT ENEE 3720L – Analog Electronics Laboratory Laboratory #5 – Diode Limiters (Clippers) and Clampers 7) How do the waveforms differ in steps 4 and 6? What is the function of the power supply in the circuit? 8) How does the series-biased clipper differ from the parallel-biased clipper based on the results you have observed? Part C: Clampers Characteristics Figure 3: Clamper 1) Construct the circuit in Figure 3. Where C is 1µF and R is 1MΩ. Measure and record the resistors with associated tolerances. Use 1N4148 diode. 2) Measure and record the value of the resistor. Construct the circuit in Fig. 3.3. The input signal is a 10 V p-p sine wave at frequency of 50 Hz. 3) Set the oscilloscope in DC mode. 4) Connect the function generator to the input and to channel 1 of the oscilloscope. Connect the output to channel 2 of the oscilloscope. 5) Copy or take a snap-shot of the input and output voltages superimposed on each other from the oscilloscope. 6) Measure and record the DC level of the output voltage using the DMM. 7) What is the peak-to-peak value of the output signal? Is that what you expect? Why? 8) Replace the resistor with a 10 kΩ. Lab #5 – Diode Clippers and Clampers Page 3 of 4 ELECTRICAL ENGINEERING DEPARTMENT ENEE 3720L – Analog Electronics Laboratory Laboratory #5 – Diode Limiters (Clippers) and Clampers 9) Copy or take a snap-shot of the input and output voltages superimposed on each other from the oscilloscope. Make sure the zero axes of the waveforms are aligned together and make sure they are centered on the screen. 10) Measure and record the DC level of the output voltage. 11) Explain why the output voltage from Step 9 is different from what was obtained in Step 5? 12) What is the major effect of replacing the 1 MΩ resistor with the 10 kΩ resistor? 13) With R at 1 MΩ, add VDC set at 1.5 V in series with both diode and resistor in parallel. 14) Copy or take a snap-shot of the input and output voltages superimposed on each other from the oscilloscope. Explain your waveform. 15) Measure and record the DC level of the output voltage. How is this different from Step 7 above? Discuss the application. Lab #5 – Diode Clippers and Clampers Page 4 of 4 ELECTRICAL ENGINEERING DEPARTMENT PRE-LABORATORY (PRELAB) REPORTS ENEE 3720L – ANALOG ELECTRONICS LABORATORY PRE-LABORATORY REPORT Each student is required to write a brief preparatory laboratory report (prelab) on each experiment and submit it to the instructor prior to the beginning of the lab. The Preliminary Report should provide you enough insight on how to perform and what to expect from the experiment. The Preliminary Report should contain the following information as applicable: 1. A cover page consisting of title, experiment, names of partner(s), course number and section number. 2. Essential circuit diagrams (properly labeled and with all locations for pertinent measurements clearly indicated) to be used. Any special safety precautions and/or comments should be noted. 3. Preliminary calculations, simulations and pertinent information that may be necessary for the completion of the experiment. 4. Explanation of anticipated results that may be theoretically obtained before any experimental work is performed. There also should be a discussion of the meaning of the predicted results along with their implications and possible sources of error that may be encountered. 5. Answers to questions asked in the lab procedures that could be answered prior to the experiment. In addition, the student may wish to include for his own future certain theoretical material which he has developed and /or copied from references. The source of the reference material used should be given. A well-prepared Preliminary Report will allow the student team to proceed with the laboratory work without delay and with little, if any assistance from the laboratory instructor. ...
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Tutor Answer

pallveechem123
School: Rice University

kindly see and ask if any query

PRE-LABORATORY REPORT

Title: ENEE 3720L – Analog Electronics Laboratory

Experiment: Diode Limiters (Clippers) and Clampers

Names of partner(s):

Course number:

Section number:

PRE-LABORATORY REPORT

Part A: Parallel Clipper
Question: How do the waveforms results differ in step 4 and 6? What is the function of
the power supply in the circuit?
Clipper circuit waveforms in step 4 and step 6 will separately alter the positive peak or
negative peak of the input signal .The details are given below:
Step 4:

During the positive half cycle, the negative reference voltage connected in series with
the diode appears as output; and during the negative half cycle, the diode conducts until
the input voltage value becomes greater than the negative reference voltage and output
will be follow input , as shown in above graph.
Step 6:

During the positive half cycle the diode conducts causing the positive reference voltage appear
as output voltage and, during the negative half cycle, the entire input ...

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Anonymous
awesome work thanks

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