868 INDEX
Thévenin resistance, 131, 224, 228
Thévenin voltage, 67, 224
Three-phase bank, 490
Three-phase circuits, 455
application, 216–17
balanced three-phase loads,
202–6
phase sequence, 199, 201–2
power in, 206–8
power measurement, 208–12
residential wiring, 212–15
source voltage, 199–201
Three-phase power systems:
concepts, 455–60
distribution, 460–62
generation, 460
power system loads, 462–66
transmission, 460
Three-phase transformers, 490–91
Three-phase two-pole synchronous
machine, 518, 519
Three-phase wattmeter, 211
Three-way switch, 214
Three-wire three-phase system, 199
Threshold effect, 695
Threshold SNR, 695
Threshold voltage, 344, 423
Thyristors, 750, 751
Time constant, 15
Time Division Multiple Access
(TDMA), 709, 722
Time multiplexing, 719
Time slot, 719
Time-dependent circuit analysis,
102–3
application, 178–79
computer-aided circuit simulation
frequency response, 171–73
MATLAB, 173–77
PSpice and PROBE, 168–73
steady-sate sinusoidal analysis,
170–71
transient analysis, 168–70
frequency response, 154–68
Laplace transform, 102–3,
142–54
phasor analysis, 102, 103–24
transients, 125–42
Time-division multiplexing (TDM),
647–48, 719–22
Timing diagram, 292
TLVR.SeeTransmission-line
voltage regulation
Toggle, 294
Toggle switch, 269
Torque angle, 556, 583
Torque-angle characteristic
curve, cylindrical-rotor
synchronous machine, 556
Torque-speed characteristics:
dc motor, 601–4
motors, 540
Total internal armature resistance,597
Total reactive power, 207
Traction motors, 609
Transducer amplifier, 650
Transducers, 505, 541–42, 626
Transfer functions, 152, 783
Transformed networks, 105, 148
Transformer emf, 507
Transformer T-circuits, 485
Transformer utilization factor
(TUF), 759
Transformers, 36–38, 479–95
autotransformers, 480, 492–94,
575
equivalent circuit, 479–85
ideal, 480
nonideal, 481
three-phase transformers, 490–91
turns ratio, 37, 480
types, 480
windings, 480
Transient analysis, PSpice, 168–70
Transient response, 125
Transient stability, 592
Transient-stability limit, 592
Transients, in circuits, 125–42
Transistor amplifiers, 393–94
BJT amplifiers, 399–405
FET amplifiers, 405–9
MOSFET amplifiers, 409
Transistor circuitry, 270
Transistor model, 394
Transistor switches, 423–27, 428
Transistor-transistor logic.SeeTTL
Transistors:
biasing of
BJTs, 394–95
FETs, 395–99
bipolar junction transistors (BJT),
358–67, 394–95
complementary transistors, 375
field-effect transistors (FETs),
367
biasing, 395–99
junction FETs, 367–71
MOSFETs, 371–78, 379
transistor amplifiers, 393–415
transistor switches, 423–27, 428
Transmission control protocol.See
TCP
Transmission gate, CMOS circuit,
435–36
Transmission lines:
communication systems, 670–76
power systems, 453, 464
Transmission loss, 675
Transmission medium, 322–23, 627,
667–68
Transmission-line voltage regulation
(TLVR), 462
Transmission-system efficiency, 462
Transmitting antennas, 678
Transport layer, OSI model, 322Transverse electric magnetic (TEM)
mode, 671
Traveling-wave theory, 670
Tree topology, 322, 323
Trimode phone, 709–10
Truth tables, 274–81
TTL, 427, 430–31
TUF.SeeTransformer utilization
factor
Turbine generators, 517
Turbo alternators, 517, 540
Turn-on voltage, 344
Turns ratio, transformer, 37, 480
TV.SeeTelevision
Twisted pair cable, 323
Two-pole synchronous machine,
555
Two-port admittance, 163
Two-port hybrid, 164
Two-port impedance, 163
Two-port network, 163
Two-port parameters, 163–64
Two-reactance theory, 590
Two-value-capacitor motor, 581
Two-wattmeter method, 208
Two-winding core-type transformer,
36, 37
Two-winding transformer, 480–90U
UARTs (universal asynchronous
receivers/transmitters), 324
UHF band, 670
Unbounded media, 323
Underdamped system, 136, 138
Underexcited machine, 583
Uniform sampling theorem, 645
Unipolar waveform, 715
Unit-impulse function, 141
Unit-step function, 140
Universal asynchronous
receivers/transmitters.
SeeUARTs
Universal registers, 298
Universal resonance curve, 161–62
Universal synchronous
receivers/transmitters.
SeeUSARTs
Unstable sequential blocks, 290
Up-counter, 299
Upper sideband (USB), 687
USARTS (universal synchronous
receivers/transmitters), 324
USB.SeeUpper sideband
User software, 317VVaractor diode, 694
Variable-ratio autotransformer,
492–94