EET 110 Survey of Electronics Chapter 15 Oscillators.

EET 110EET 110Survey of ElectronicsSurvey of Electronics

Chapter 15Chapter 15

OscillatorsOscillators

FIGURE 15-1FIGURE 15-1 Sound system feedback. Sound system feedback.

Dale R. PatrickDale R. PatrickElectricity and Electronics: A Survey, Electricity and Electronics: A Survey, 5e5e

Copyright ©2002 by Pearson Education, Inc.Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458Upper Saddle River, New Jersey 07458

All rights reserved.All rights reserved.

FIGURE 15-2FIGURE 15-2 Fundamental oscillator parts. Fundamental oscillator parts.




FIGURE 15-3FIGURE 15-3 LC tank circuit being charged: (a) basic circuit; (b) charging action; (c) charged capacitor. LC tank circuit being charged: (a) basic circuit; (b) charging action; (c) charged capacitor.




FIGURE 15-3FIGURE 15-3 continued continued LC tank circuit being charged: (a) basic circuit; (b) charging action; (c) charged capacitor.LC tank circuit being charged: (a) basic circuit; (b) charging action; (c) charged capacitor.




FIGURE 15-4FIGURE 15-4 Charge-discharge action of an LC circuit. Charge-discharge action of an LC circuit.




FIGURE 15-4FIGURE 15-4 continued continued Charge-discharge action of an LC circuit.Charge-discharge action of an LC circuit.












FIGURE 15-5FIGURE 15-5 Wave types: (a) damped oscillatory wave; (b) continuous wave. Wave types: (a) damped oscillatory wave; (b) continuous wave.




FIGURE 15-5FIGURE 15-5 continued continued Wave types: (a) damped oscillatory wave; (b) continuous wave.Wave types: (a) damped oscillatory wave; (b) continuous wave.




FIGURE 15-6FIGURE 15-6 RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries. RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries.




FIGURE 15-6FIGURE 15-6 continued continued RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries.RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries.




FIGURE 15-6FIGURE 15-6 continued continued RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries.RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries.




FIGURE 15-7FIGURE 15-7 Armstrong oscillator: (a) circuit; (b) characteristic curves. Armstrong oscillator: (a) circuit; (b) characteristic curves.




FIGURE 15-8FIGURE 15-8 Hartley oscillator. Hartley oscillator.




FIGURE 15-9FIGURE 15-9 Colpitts oscillator. Colpitts oscillator.




FIGURE 15-11FIGURE 15-11 Crystal-controlled oscillators: (a) Hartley; (b) Colpitts. Crystal-controlled oscillators: (a) Hartley; (b) Colpitts.




FIGURE 15-11FIGURE 15-11 continued continued Crystal-controlled oscillators: (a) Hartley; (b) Colpitts.Crystal-controlled oscillators: (a) Hartley; (b) Colpitts.




FIGURE 15-12FIGURE 15-12 Pierce oscillator. Pierce oscillator.




FIGURE 15-17FIGURE 15-17 UJT oscillator. UJT oscillator.




FIGURE 15-18FIGURE 15-18 Astable multivibrator. Astable multivibrator.




FIGURE 15-19FIGURE 15-19 Monostable multivibrator. Monostable multivibrator.




FIGURE 15-20FIGURE 15-20 Monostable multivibrator waveforms: (a) trigger input waveform; (b) differentiator output waveform; (c) Monostable multivibrator waveforms: (a) trigger input waveform; (b) differentiator output waveform; (c) monostable multivibrator output waveform.monostable multivibrator output waveform.




FIGURE 15-21FIGURE 15-21 Bistable multivibrator. Bistable multivibrator.




FIGURE 15-22FIGURE 15-22 Internal circuits of an LM555 IC. Internal circuits of an LM555 IC.




FIGURE 15-23FIGURE 15-23 Astable multivibrator: (a) circuit; (b) waveforms. Astable multivibrator: (a) circuit; (b) waveforms.




(b)(a)

Oscillator CircuitOscillator Circuit

EET 110 Survey of Electronics Chapter 15 Oscillators.

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