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. |