| Preface | p. xv |
| Introduction | p. xvii |
| Acknowledgments | p. xix |
| Introduction to Amateur Radio | p. 1 |
| Who Can Become a Ham Radio Operator? | p. 1 |
| New Avenues into Amateur Radio | p. 2 |
| About Amateur Radio | p. 2 |
| A History of Amateur Radio | p. 3 |
| Early pioneers | p. 3 |
| Beginning of amateur radio | p. 5 |
| First licenses for amateur radio operators | p. 7 |
| The death knell for amateur radio | p. 8 |
| The golden age of amateur radio | p. 9 |
| Amateur Radio--A Scientific Hobby | p. 11 |
| Amateur Radio Public Service | p. 12 |
| The Path into Amateur Radio--The Technician Class License | p. 15 |
| How to Prepare for the FCC Technician Class Examination | p. 19 |
| The Federal Communications Commission | p. 21 |
| The FCC Volunteer Examiner Program | p. 22 |
| FCC Amateur Radio Operating Classes | p. 22 |
| The Amateur Radio Frequency Spectrum | p. 23 |
| FCC Rules and Regulations | p. 25 |
| Part 97: Amateur Radio Service | p. 25 |
| Amateur Call-Sign Allocations | p. 55 |
| How to Learn International Morse Code | p. 58 |
| What is Morse Code? | p. 58 |
| How code is transmitted | p. 59 |
| Who can learn Morse code? | p. 61 |
| The FCC Written Examinations | p. 67 |
| The VEC question pool | p. 67 |
| Scheduling the examination | p. 69 |
| Taking the examination | p. 69 |
| Radio Communications Theory | p. 71 |
| Definitions | p. 71 |
| The Radio Circuit--Transmitter to Receiver | p. 73 |
| The Electromagnetic Spectrum | p. 74 |
| Frequency and wavelength | p. 76 |
| The radio frequency spectrum | p. 78 |
| Wave propagation | p. 80 |
| Types of Propagation | p. 80 |
| The Effects of the Ionosphere on Radio Communications | p. 82 |
| Ionospheric layers | p. 83 |
| Sunspots affect the ionosphere | p. 83 |
| High sunspot activity | p. 84 |
| Propagation characteristics of the ionosphere | p. 85 |
| Nighttime propagation conditions | p. 87 |
| Principles of Electricity and Magnetism | p. 89 |
| Definitions | p. 89 |
| Fundamentals of Electricity | p. 91 |
| Atoms and matter | p. 92 |
| Negative and positive charges | p. 93 |
| Electricity--the flow of electrons | p. 93 |
| Units of voltage and current | p. 94 |
| Conductors and insulators | p. 95 |
| Resistance and resistors | p. 95 |
| Some Basic Electrical Laws | p. 98 |
| Ohm's law | p. 99 |
| Resistors in series | p. 100 |
| Resistors in parallel | p. 100 |
| Series-parallel combinations | p. 101 |
| Current flow in series dc circuits | p. 101 |
| IR voltage drops | p. 104 |
| Current flow in parallel dc circuits | p. 105 |
| Magnetism | p. 106 |
| The magnetic field | p. 106 |
| Temporary and permanent magnets | p. 107 |
| Electromagnetism | p. 107 |
| Magnetomotive force (MMF) | p. 108 |
| Electromagnetic induction | p. 109 |
| Alternating current and voltage | p. 109 |
| The ac sine wave | p. 109 |
| ac circuits | p. 111 |
| Capacitors and Capacitance | p. 112 |
| How capacitors work | p. 114 |
| Capacitor voltage ratings | p. 115 |
| Connecting capacitors in parallel | p. 115 |
| Connecting capacitors in series | p. 116 |
| Capacitive reactance | p. 116 |
| Phase angle of capacitors | p. 118 |
| Testing capacitors | p. 118 |
| Inductors and Inductance | p. 119 |
| Inductance | p. 119 |
| Series inductors | p. 121 |
| Parallel inductors | p. 121 |
| Inductive reactance, X[subscript L] | p. 123 |
| Phase angle of inductors | p. 123 |
| Transformers | p. 124 |
| Basic transformer concepts | p. 125 |
| Testing inductors and transformers with a multimeter | p. 127 |
| ac Circuit Analysis | p. 128 |
| Impedance and phase angles | p. 128 |
| Resonance and tuned circuits | p. 129 |
| The Q of resonant circuits | p. 131 |
| Power Relationships | p. 131 |
| Power in a dc circuit | p. 132 |
| Power in an ac circuit | p. 132 |
| Maximum power transfer | p. 134 |
| Tubes and Semiconductors | p. 135 |
| Definitions | p. 137 |
| Vacuum Tubes | p. 139 |
| Thermionic Emission | p. 139 |
| General Types of Vacuum Tubes | p. 141 |
| Diodes | p. 141 |
| The diode as an ac rectifier | p. 143 |
| Triodes | p. 144 |
| How triodes work | p. 145 |
| Triode amplification action | p. 147 |
| Limitations of triodes | p. 148 |
| Tetrodes and Pentodes | p. 149 |
| The tetrode | p. 149 |
| Limitations of the tetrode | p. 150 |
| The pentode | p. 151 |
| The pentode as an amplifier | p. 152 |
| Beam-power tubes | p. 153 |
| Gas-filled tubes | p. 153 |
| Cathode-ray tubes | p. 154 |
| Diodes, Transistors, and Other Semiconductor Devices | p. 154 |
| n-type semiconductor | p. 156 |
| p-type semiconductor | p. 156 |
| How semiconductor devices are made | p. 156 |
| The pn junction | p. 157 |
| How diodes work | p. 160 |
| Reverse bias | p. 161 |
| Diode circuits | p. 162 |
| Special-Purpose Diodes | p. 164 |
| The zener diode | p. 165 |
| The varactor diode | p. 166 |
| Transistors | p. 166 |
| Bipolar transistor construction | p. 169 |
| npn transistor operation | p. 169 |
| pnp transistor operation | p. 171 |
| Common-base amplifying circuits | p. 171 |
| Common-emitter amplifier circuits | p. 174 |
| Common-emitter design considerations | p. 176 |
| Variations in transistor characteristics | p. 179 |
| Voltage gain of common-emitter amplifier circuits | p. 180 |
| Frequency limitations of transistors | p. 181 |
| The common-collector configuration | p. 182 |
| Summary of transistor characteristics | p. 184 |
| Transistor testing | p. 184 |
| Transistor testing with ohmmeters | p. 185 |
| Field-Effect Transistors | p. 187 |
| The junction field-effect transistor | p. 188 |
| Characteristics of junction field-effect transistors | p. 189 |
| JFET circuit configurations | p. 190 |
| Insulated-gate field-effect transistors | p. 192 |
| Depletion-mode IGFET operation | p. 192 |
| Enhancement-mode insulated-gate field-effect transistors | p. 194 |
| Care and handling of insulated-gate semiconductor devices | p. 196 |
| Optoelectronic Devices | p. 197 |
| Photodiodes | p. 198 |
| Light-emitting diodes | p. 199 |
| LCD displays | p. 199 |
| Integrated Circuits | p. 200 |
| Types of integrated circuits | p. 200 |
| A typical IC--the 555 timer | p. 202 |
| Packaging of integrated circuits | p. 202 |
| Linear and digital integrated circuits | p. 202 |
| Power Supplies | p. 205 |
| Definitions | p. 206 |
| Power-Supply Design Considerations | p. 209 |
| The power transformer | p. 209 |
| Rectifier circuits | p. 210 |
| Filter circuits | p. 213 |
| Electronic voltage regulators | p. 218 |
| A word of caution | p. 223 |
| Electronic Circuits | p. 227 |
| Definitions | p. 227 |
| Audio- and Radio-Frequency Amplifiers | p. 232 |
| Basic Types of Amplifiers | p. 234 |
| The ideal amplifier | p. 234 |
| The Decibel | p. 236 |
| Voltage and Current Ratios in Decibels | p. 239 |
| Amplifier Power Levels | p. 242 |
| Class-A, -B, -AB, and -C Amplifiers | p. 243 |
| Amplifier Efficiency of Operation | p. 244 |
| Interstage Coupling Techniques | p. 245 |
| Direct coupling | p. 245 |
| Resistance-capacitance (RC) coupling | p. 247 |
| Transformer coupling | p. 247 |
| Impedance coupling | p. 247 |
| Push-Pull Operation | p. 248 |
| Integrated-Circuit Amplifiers | p. 249 |
| An IC Audio Amplifier for the Ham Shack | p. 250 |
| The Oscillator: An Amplifier with Feedback | p. 253 |
| The Basic Oscillator Circuit | p. 254 |
| Oscillator Characteristics | p. 255 |
| The Tuned LC Oscillator | p. 255 |
| Oscillator Circuits | p. 257 |
| Introduction to Radio Transmitters | p. 269 |
| Definitions | p. 272 |
| The CW Transmitter | p. 275 |
| The Master Oscillator Power Amplifier Transmitter | p. 276 |
| Amplitude-Modulated Transmitters | p. 280 |
| Conventional AM transmitters | p. 280 |
| AM carrier and sideband signals | p. 282 |
| Single-Sideband Modulation | p. 283 |
| Frequency Modulation | p. 288 |
| FM transmitters | p. 289 |
| Transmitter Performance Tests | p. 290 |
| Transmitter frequency measurements | p. 290 |
| Frequency counters | p. 291 |
| Transmitter power measurements | p. 292 |
| Introduction to Radio Receivers | p. 295 |
| Definitions | p. 297 |
| Receiver Basics | p. 298 |
| Reception | p. 299 |
| Selection or selectivity | p. 300 |
| Demodulation or detection | p. 301 |
| Reproduction | p. 302 |
| Simple Receivers | p. 302 |
| Tuned radio-frequency (TRF) receivers | p. 302 |
| Direct-conversion receivers | p. 303 |
| The Superheterodyne Receiver | p. 305 |
| RF amplifiers | p. 307 |
| Local oscillators | p. 307 |
| Mixers | p. 309 |
| Regenerative-detector receivers | p. 310 |
| IF amplifiers | p. 310 |
| Detectors and beat-frequency oscillators | p. 312 |
| Automatic gain control | p. 312 |
| S meters | p. 313 |
| Interference and Receiver Limitations | p. 313 |
| Receiver Overload | p. 314 |
| Harmonic Signals | p. 315 |
| Constructing the "Sudden" 160- to 20-Meter Direct Conversion Receiver | p. 315 |
| FM Receivers | p. 319 |
| All about Transmission Lines and Antennas | p. 323 |
| Definitions | p. 324 |
| Transmission Line Basics | p. 326 |
| Types of Transmission Lines | p. 327 |
| Twin-lead lines | p. 327 |
| Coaxial transmission lines | p. 328 |
| Standing Waves | p. 329 |
| Standing-wave ratios | p. 329 |
| High-Frequency Antennas | p. 332 |
| Half-wave doublet (or dipole) antenna | p. 333 |
| Safety and other considerations | p. 340 |
| Multiband antennas | p. 347 |
| Vertical antennas | p. 350 |
| Beam antennas | p. 351 |
| Station Wiring Diagrams | p. 355 |
| RF Radiation Safety and Radio Communications Practices and Procedures | p. 357 |
| Definitions | p. 357 |
| Radio Frequency Environmental Safety Practices | p. 361 |
| Determining Compliance with FCC RF Safety Rules and Regulations | p. 365 |
| General RF safety recommendations | p. 367 |
| Radio Communications Practices | p. 368 |
| Station installation | p. 368 |
| Station layout | p. 369 |
| Station wiring | p. 370 |
| Radio-Frequency Interference (RFI) | p. 371 |
| Elimination of RFI | p. 371 |
| How to Use Test Equipment | p. 373 |
| Meter movements | p. 373 |
| Ammeters | p. 374 |
| Voltmeters | p. 374 |
| Ohmmeters | p. 375 |
| The multimeter | p. 377 |
| Wattmeters | p. 377 |
| Operating Procedures | p. 377 |
| Operating courtesy | p. 378 |
| CW or telegraph procedures | p. 379 |
| Q signals | p. 379 |
| The RST signal-reporting system | p. 380 |
| Prosigns and standard abbreviations | p. 380 |
| A Typical Contact on the Technician Bands | p. 380 |
| Element 2--Technician Class Examination Question Pool | p. 385 |
| Answers | p. 481 |
| The W5YI RF Safety Tables | p. 485 |
| Index | p. 491 |
| Table of Contents provided by Syndetics. All Rights Reserved. |