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CITATION

Quan, Ronald. Troubleshooting Electronic Circuits: A Guide to Learning Analog Electronics. New York: McGraw-Hill Education, 2020.

Troubleshooting Electronic Circuits: A Guide to Learning Analog Electronics

Authors: Ronald Quan

Published:  March 2020 Pages: 352

eISBN: 9781260143577 | ISBN: 9781260143560
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  • Cover
  • About the Author
  • Title Page
  • Copyright Page
  • Contents
  • Preface
  • Acknowledgments
  • 1 Introduction
  • Goals of this Book
  • Quick Notes: Replacing Electrolytic Capacitors and Soldering
  • Soldering Problems (Cold Solder Connections)
  • Summary
  • 2 Basic Breadboards
  • Solderless Breadboards
  • Other Breadboards
  • 3 Power Sources: Batteries and Battery Holders, Safety Issues, and Voltmeters
  • Batteries
  • Survey of Digital Voltmeters
  • 4 Some Basic Electronic Components
  • Capacitors
  • Resistors
  • 5 Diodes, Rectifiers, and Zener Diodes
  • Diodes and Rectifiers
  • Forward Voltage Across Anode to Cathode and Reverse Voltage Effects
  • Testing Diodes and Rectifiers with Digital and Analog Volt Meters
  • Schottky Diodes
  • A Brief Look at Zener Diodes
  • Some General Rules About Diodes
  • 6 Light-Emitting Diodes
  • The LED’s Light Output
  • LED “Minimum Turn On” Voltages
  • Other Types of Green LEDs
  • Problems with Paralleling Two LEDs with Different Turn-On Voltages
  • Protecting LEDs from Damage Due to Reverse Voltage Across the Anode and Cathode
  • Some Keys Points About Light Emitting Diodes
  • 7 Bipolar Junction Transistors
  • Bipolar Junction Transistors
  • What Happens When a Transistor Is Damaged
  • Schematic Symbol of NPN and PNP Transistors
  • Improved Current Source Circuits
  • What Happens When Things Go Wrong
  • Insufficient “Headroom Voltage” for the Transistor
  • Sometimes Even a Correct Circuit Goes Bad
  • Summary
  • 8 Troubleshooting Discrete Circuits (Simple Transistor Amplifiers)
  • Important Practical Transistor Specifications
  • Simple Transistor Amplifier Circuits
  • First DC Analysis: Capacitors = Batteries with Self Adjusting Voltages
  • Second DC Analysis: Take Out the Capacitors to Find the DC Currents and DC Voltages
  • Finding the AC Signal Gain
  • Limited Input Amplitude Range
  • Output Swing Determined by IC and RL || R2
  • Using Negative Feedback to Build “Mass Production” Amplifiers
  • DC Analysis of Self-Biasing Amplifier
  • AC Analysis of a Self-Biased Amplifier
  • Output Resistance Ro'
  • Another Common Emitter Amplifier
  • Maximum Output Voltage Swing
  • Finding an Optimum Bias Point for Maximum Output Swing with Just an Emitter Resistor
  • Summary
  • 9 Analog Integrated Circuits Including Amplifiers and Voltage Regulators
  • Operational Amplifiers
  • 10 Audio Circuits
  • Preamps and Power Amps
  • A Basic Difference Amplifier
  • Preamp’s DC Bias Point Estimates
  • AC Analysis
  • A High-Fidelity Audio Power Amplifier
  • DC Biasing Conditions in Figure 10-9
  • AC Signal Conditions
  • 11 Troubleshooting Analog Integrated Circuits
  • Circuits That Need Fixing or Redesigning
  • Photodiode Circuits
  • Trans-resistance Amplifiers
  • Summary
  • 12 Some Ham Radio Circuits Related to SDR
  • Software Defined Radio Circuits
  • A Common Sample-and-Hold RF Mixer Circuit
  • A Preferred Implementation with Sample-and-Hold Circuits
  • A Cool Four-Phase Commutating Mixer
  • DC Bias Conditions
  • Testing Circuit with an RF or Function Generator
  • Improving the “Original Design”
  • Another View of Op Amp Circuits (Where the Inverting Input Drives a Load)
  • Suggested System Approach
  • Crystal Oscillators
  • Types of Crystals
  • Low-Frequency Cylindrical Crystals, “Standard” Crystals, and Ceramic Resonators
  • Standard HC-49 and High-Frequency Cylindrical Crystals
  • Ceramic Resonators
  • Be Aware of Overtone Crystals
  • Gain Bandwidth Product Revisited
  • Summary
  • 13 Timer, CMOS, and Motor Drive Circuits
  • Types of 555 Timer Chips
  • Basic Modes of the 555 Timer Chip and Pin Outs
  • The 555 Pulse Generator (a.k.a., One-Shot or Monostable Mode)
  • Troubleshooting the 555 One-Shot Monostable Timer
  • When You Want to AC Couple a Signal to Trigger a Pulse Output Signal
  • “Strange” Output Signals Observed via an Oscilloscope
  • Troubleshooting the 555 Oscillator (a.k.a. Astable Mode)
  • One More Example on Driving Speakers with the 555
  • Why Again an Output Coupling Capacitor Is Preferable
  • Using a 555 to Drive Motors via Pulse-Width Modulation
  • Summary of Troubleshooting Techniques
  • 14 Troubleshooting Other Circuits, Including Kits and Projects
  • Component Kits and Test Equipment
  • LED and Sensor Kits
  • A Quick Detour with the LM386 Audio Power Amplifier IC
  • Photonics: A Light Transceiver System
  • Thermal Sensing Circuit via Thermistor (Temperature-Dependent Resistor)
  • A Circuit Using an Electrolytic Capacitor Incorrectly
  • Identifying and Fixing “Bad” Circuit Designs
  • An Example of the Missing Ground Connection
  • Ferrite Beads to Tame Parasitic Oscillations
  • Summary
  • 15 More Tips and Final Thoughts
  • Deciphering Schematics with Too Many Connection Flags
  • Troubleshooting with Minimal Test Equipment
  • Summary and Final Thoughts
  • A Choosing Test Equipment
  • Lab Power Supplies (Adjustable)
  • Signal Generators
  • Oscilloscopes
  • Examples of Display Resolution and Number of Memory Points
  • Oscilloscope Probes
  • An Inexpensive Lab
  • B Online Learning Resources
  • C Components and Parts Suppliers
  • General Electronic Components
  • Ham Radio Parts
  • Science Kits, Cool Things, and Everything Else
  • Index