clipperandclamper-problems - Clipper and clamper circuits...

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Unformatted text preview: Clipper and clamper circuits This worksheet and all related files are licensed under the Creative Commons Attribution License, version 1.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/1.0/, or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA. The terms and conditions of this license allow for free copying, distribution, and/or modification of all licensed works by the general public. Resources and methods for learning about these subjects (list a few here, in preparation for your research): 1 Questions Question 1 What type of electronic component do these symbols represent, and what special function does it perform? Alternative symbols file 01985 Question 2 Explain how a surge protector functions: the kind of device used to protect electronic equipment against common power line voltage transients. Draw a schematic diagram to accompany your explanation. file 01110 Question 3 A technician builds her own audio test set for use in troubleshooting audio electronic circuitry. The test set is essentially a sensitive detector, allowing low-power audio signals to be heard: Test probes 1N4001 diodes 1 k Ω 1 k Ω High-quality 8 Ω impedance closed-cup audio headphones 100 k Ω audio-taper potentiometer step-down transformer What purpose do the two diodes serve in this circuit? Hint: if you remove the diodes from the circuit, you will not be able to hear the difference in most cases! file 00983 2 Question 4 Predict how the operation of this sensitive audio detector circuit will be affected as a result of the following faults. Consider each fault independently (i.e. one at a time, no multiple faults): Test probes D 1 D 2 R 1 R 2 R pot T 1 • Diode D 1 fails open: • Diode D 1 fails shorted: • Transformer T 1 primary winding fails open: • Resistor R 1 fails open: • Solder bridge (short) past resistor R 1 : • Wiper fails to contact slide in potentiometer: For each of these conditions, explain why the resulting effects will occur. file 03726 3 Question 5 Determine both the waveshape and amplitude of the AC signal measured by the oscilloscope at the output of this circuit: Low-voltage AC power supply 6 6 12 ??? The diodes are model 1N4001, each. The resistor’s color code is Brown, Black, Orange, Silver. file 01108 Question 6 Sketch the shape of the output voltage waveform for this ”clipper” circuit, assuming an ideal diode with no forward voltage drop: V out (ideal diode) file 02353 4 Question 7 Sketch the shape of the output voltage waveform for this ”clipper” circuit, assuming an ideal diode with no forward voltage drop: V out (ideal diode) file 02352 Question 8 Sketch the shape of the output voltage waveform for this ”clipper” circuit, assuming an ideal diode with no forward voltage drop: V out (ideal diode) file 02354 Question 9 Sketch the shape of the output voltage waveform for this ”clipper” circuit, assuming an ideal diode with no forward voltage drop: V out (ideal diode) file 02355 5 Question 10...
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This note was uploaded on 09/25/2010 for the course ELEX electronic taught by Professor Ddr during the Spring '10 term at Philippine Normal University.

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clipperandclamper-problems - Clipper and clamper circuits...

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