INDEX-2 LC choke-input filter, 4-22 Load regulation, 4-34 M Maintenance, transistor, 2-31 lead identification, 2-32 precautions, 2-31 transistor testing, 2-33 Microelectronics, 2-37 N NPN transistor operation, 2-6 O Optoelectronic devices, 3-27 P Periodic table of the elements, AII-1 PN junction application, 1-23 diode switch, 1-26 half-wave rectifier, 1-23 PN junction operation, semiconductor diode,   1-15 current flow in the N-type material, 1-18 current flow in the P-type material, 1-18 junction barrier, 1-19 PNP transistor operation, 2-11 Power transformer, 4-3 Practical full-wave rectifier, 4-8 R Rectifier, 4-4 bridge, 4-10 conventional full-wave, 4-7 half-wave, 4-4 practical full-wave, 4-8 ripple frequency, 4-6 rms, peak, and average values, 4-5 Rectifier diodes, 1-28 Regulators, power supply, 4-35 current, 4-43 Regulators, power supply—Continued series and shunt voltage regulators, 4-36 Resistor-capacitor (RC) filters, 4-30 Ripple frequency, 4-6 S SCR, silicon controlled rectifier, 3-18 Self-bias, 2-19 Semiconductor diodes, 1-1 diode identification, 1-29 diode maintenance, 1-31 introduction to solid-state devices, 1-1 rectifier diodes, 1-28 semiconductor applications, 1-3 semiconductor competition, 1-4 semiconductor development, 1-2 semiconductor theory, 1-5 signal diodes, 1-28 summary 1-34 Series and shunt voltage regulators, 4-36 Solid-state devices, introduction to, 1-1 Solid-state power supplies, 4-1 basic power supply, 4-1 troubleshooting, 4-51 Special devices, 3-1 Specifications, transistor, 2-29 T Theory, semiconductor, 1-5 atomic structure, 1-5 conduction process, 1-12 covalent bonding, 1-10 doping process, 1-13 energy bands, 1-8 Transistors, 2-1 basic transistor amplifier, 2-15 FET (field effect), 3-38 fundamentals, 2-2 identification, 2-30 introduction to, 2-1 maintenance, 2-31 microelectronics, 2-37 specifications, 2-29 UJT (unijunction), 3-34