Index
A
ac ammeter, 48
ac circuits:
power factor, 113
power in, 112–21
ac generators, 199
ac motors, speed and torque control,
574
ac power, 112–21, 451–68
advantages over dc power, 455
distribution, 460–62
generation, 460
Great Blackout of 1965, 466–68
power-system loads, 462–66
residential wiring, 212–15,
461–62
transmission, 460
ac voltage controllers, 768–69
ac voltmeter, 47
Acceptor, 340
Accumulators, 318
Acoustic-coupler device, 325
Active circuits, 339
Active filters, 252–55
Active load, 432
Active mode, transistor, 358
Active power, 113
Active region, JFET, 368
Adaptive control, 813–14
Additive noise, 651, 669
Additivity, 81
Address bus, 318
Admittance, 104–5
Advanced Mobile Phone System
(AMPS), 709
AGC.SeeAutomatic gain control
Air gaps, 477
Air-core transformers, 36
Aircraft, autopilot control system,
807–8, 809
Airplane-to-airplane radio
communication, 730
Aliasing, 645
Alignment, principle of, 509–10
All-day efficiency, transformers,
486
Alternators, 199
ALU.SeeArithmetic logic unit
AM.SeeAmplitude modulation
Ammeter, 48
Amorphous magnetic materials, 472
Ampere (unit), 7, 29
Ampere-turns per meter (unit), 472
Ampere’s law, 476
Ampere’s law of force, 7
Amplification, 627
Amplifier block, 224–29, 394
Amplifier circuits, 223, 394
Amplifier noise, 654
Amplifiers, 393
BJT amplifiers, 399–405
current-to-voltage amplifier,
248–49
dc-coupled amplifiers, 409
differential amplifier, 250–51,
650
feedback amplifiers, 232
FET amplifiers, 405–9
frequency response of, 409–14
IF amplifier, 700
instrumentation amplifier, 650
inverting amplifier, 244–45
lock-in amplifier, 658
MOSFET amplifiers, 409
negative feedback, 413–14
noninverting amplifier, 235,
245–46
operational amplifiers, 229–56
transducer amplifier, 650
transistor amplifiers, 393–415
voltage amplifier, 14, 799
weighted differencing amplifier,
250
Amplitude distortion, 639
Amplitude modulation (AM),
626–27, 685, 686–93,
698–99
single-sideband (SSB) AM, 641,
690, 692, 698, 699
suppressed-carrier (SSB) AM,
689
vestigial-sideband (VSB) AM,
690–91, 692, 698, 699
Amplitude ratio, 155
Amplitude-shift keying (ASK), 628,
722–24, 729, 730
AMPS.SeeAdvanced Mobile
Phone System
Analog building blocks, 223
amplifier block, 224–29
application, 257–58
operational amplifier, 229–56
Analog cellular phone calls, 709
Analog circuits, 268
Analog communication systems,
627, 667, 685–86
amplitude modulation, 626–27,
685, 686–93, 698–99
cellular phone systems, 707,
709–10
demodulation, 627, 694–98
FM stereo, 698, 699
frequency modulation, 626–27,
685, 693–98, 699
mobile radio systems, 707,
709–10, 721, 730
radio broadcasting, 626, 677, 678,
685, 700–702
TV broadcasting, 686, 702–7,
708
Analog computers, 255–56
Analog meters, 49
Analog signals, 268, 627
antinoise systems, 658–59
distortion, 638–39
equalization, 639–40
filtering, 638–39
interference, 649–58
modulation, 626, 640–47,
693–98, 699
multiplexing, 627, 641, 647–49
noise, 651–58
periodic signals, 629–36
sampling, 643–47
signal bandwidth, 636–38
spectral analysis, 626–40
Analog systems, 223, 268, 625
Analog-to-digital (A/D) converters,
308–11, 628
AND gate, 274, 275, 277
855
