18WuD2x

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Schematic symbols 779 Plug, two-wire, polarized Plug, three-wire Plug, 234-V Plug, coaxial or phono Plug, phone, two-conductor Plug, phone, three-conductor Positive voltage connection + Potentiometer Probe, radio-frequency or Rectifier, gas-filled Rectifier, high-vacuum Rectifier, semiconductor Rectifier, silicon-controlled
780 Appendix A Relay, double-pole, double-throw Relay, double-pole, single-throw Relay, single-pole, double-throw Relay, single-pole, single-throw Resistor, fixed Resistor, preset Resistor, tapped Resonator Rheostat Saturable reactor Signal generator Solar battery − +
Page 2 and 3:
The Illustrated Dictionary of Elect
Page 4 and 5:
Page 6 and 7:
To Tony, Tim, and Samuel from Uncle
Page 8 and 9:
Contents Preface ix Acknowledgments
Page 10 and 11:
Preface The Illustrated Dictionary
Page 12 and 13:
Acknowledgments Illustrations in th
Page 14 and 15:
Page 16 and 17:
A 1. Symbol for GAIN. 2. Symbol for
Page 18 and 19:
absolute error • absolute toleran
Page 20 and 21:
abvolt • accentuation 5 abvolt Th
Page 22 and 23:
accw • ac magnetic bias 7 accw Ab
Page 24 and 25:
acoustic feedback • acoustic radi
Page 26 and 27:
ac plate voltage • active chord m
Page 28 and 29:
active satellite • adapter 13 act
Page 30 and 31:
address indirect • adjusted decib
Page 32 and 33:
AFIPS • aircraft bonding 17 AFIPS
Page 34 and 35:
airwaves • aliasing noise 19 mist
Page 36 and 37:
alloy diode • alternating-charge
Page 38 and 39:
amateur radio • AM/FM tuner 23 am
Page 40 and 41:
amp-hr • amplify 25 Wire axis Dir
Page 42 and 43:
amplitude separator • analog inte
Page 44 and 45:
Anderson bridge • angle of beam 2
Page 46 and 47:
anhysteretic state • anomalous pr
Page 48 and 49:
antenna ground system The earth, co
Page 50 and 51:
anthropomorphism • antiparticle 3
Page 52 and 53:
apogee • arc cosecant 37 apogee 1
Page 54 and 55:
area code • arithmetic symmetry 3
Page 56 and 57:
ARSR • assemble 41 ARSR Abbreviat
Page 58 and 59:
astronomical unit • atmospheric a
Page 60 and 61:
atomic reactor • attracted-disk e
Page 62 and 63:
audio-frequency meter • audio mix
Page 64 and 65:
auroral propagation • automatic c
Page 66 and 67:
automatic interrupt • automatic s
Page 68 and 69:
auxiliary equipment • avalanche b
Page 70 and 71:
axial leads • azusa 55 axial lead
Page 72 and 73:
ackbone • back resistance 57 back
Page 74 and 75:
Bakelite • balanced low-pass filt
Page 76 and 77:
alun • bandstop 61 usually provid
Page 78 and 79:
ar meter • baseband frequency res
Page 80 and 81:
asic frequency • battery 65 basic
Page 82 and 83:
eacon • beam parametric amplifier
Page 84 and 85:
eat note • Be0 69 beat note The s
Page 86 and 87:
iased search • bifilar electromet
Page 88 and 89:
BiMOS • binaural 73 BiMOS A combi
Page 90 and 91:
iofeedback monitor • Birmingham w
Page 92 and 93:
lack box • bleeder resistor 77 a
Page 94 and 95:
looper 1. A radio receiver that is
Page 96 and 97:
Boltzmann’s principle • booster
Page 98 and 99:
ow-tie test • brass pounder 83 ve
Page 100 and 101:
Brewster angle • bridge-type mete
Page 102 and 103:
British thermal unit • broad resp
Page 104 and 105:
ubble memory • bulk effect 89 net
Page 106 and 107:
urst generator • button microphon
Page 108 and 109:
C 1. Abbreviation of CAPACITANCE. 2
Page 110 and 111:
calibrated triggered sweep • CAN
Page 112 and 113:
capacitive diaphragm • capacitive
Page 114 and 115:
carbon-button amplifier • cardist
Page 116 and 117:
carrier mobility Symbol, µ. In a s
Page 118 and 119:
cascaded carry • cathode 103 casc
Page 120 and 121:
cavity magnetron • cell constant
Page 122 and 123:
center-tapped inductor • ceramic-
Page 124 and 125:
change tape • character density 1
Page 126 and 127:
charge carrier • checking program
Page 128 and 129:
chirp • chopper power supply 113
Page 130 and 131:
chrominance primary • circuit dia
Page 132 and 133:
circular mil • class-A amplifier
Page 134 and 135:
click method • closed-circuit sec
Page 136 and 137:
CMRR • coaxial capacitor 121 CMRR
Page 138 and 139:
code • coherence 123 letters, num
Page 140 and 141:
cold rolling • collector voltage
Page 142 and 143:
color generator • color spectrum
Page 144 and 145:
coma lobes • commercial data proc
Page 146 and 147:
common-mode input circuit • commu
Page 148 and 149:
compatibility • compensation theo
Page 150 and 151:
complementer • component 135 comp
Page 152 and 153:
compress • computer graphics 137
Page 154 and 155:
condenser microphone • conductor
Page 156 and 157:
conic sections • constant-current
Page 158 and 159:
contactor noise • Continuous Comm
Page 160 and 161:
control circuit 1. A circuit in whi
Page 162 and 163:
convergence phase control • coord
Page 164 and 165:
cordless mouse • corner reflector
Page 166 and 167:
corruption • counterpoise 151 cor
Page 168 and 169:
CQ • critical field 153 CQ A gene
Page 170 and 171:
cross modulation • cryotron 155 t
Page 172 and 173:
crystal loudspeaker • crystal tes
Page 174 and 175:
current attenuation • current rel
Page 176 and 177:
cutoff frequency • cyclic variati
Page 178 and 179:
D 1. Symbol for DEUTERIUM. 2. Symbo
Page 180 and 181:
data analysis display unit • data
Page 182 and 183:
daylight lamp • dc converter 167
Page 184 and 185:
dc plate voltage • dead band 169
Page 186 and 187:
decade counter • decimal code 171
Page 188 and 189:
decommutator • definite-purpose c
Page 190 and 191:
degenerate semiconductor • deka-
Page 192 and 193:
delay timer • demodulator 177 del
Page 194 and 195:
depth of discharge • designation
Page 196 and 197:
deviation ratio In a frequency-modu
Page 198 and 199:
diamond stylus • dielectric const
Page 200 and 201:
Dietzhold network • differential
Page 202 and 203:
differentiate • diffused sound 18
Page 204 and 205:
digital computer • digital repres
Page 206 and 207:
digit filter • diode-capacitor me
Page 208 and 209:
diode peak voltmeter • diplex rec
Page 210 and 211:
direct-conversion receiver • dire
Page 212 and 213:
directional wattmeter • directivi
Page 214 and 215:
direct scanning • discrete capaci
Page 216 and 217:
disk coil • display loss 201 disk
Page 218 and 219:
distance mark • distributed compo
Page 220 and 221:
diversity reception • DNL 205 div
Page 222 and 223:
doohickey • dot 207 doohickey A u
Page 224 and 225:
double-coil direction finder A radi
Page 226 and 227:
double-sideband transmitter • dou
Page 228 and 229:
1. To excite (i.e., to supply with
Page 230 and 231:
drop-tracks • dry flashover volta
Page 232 and 233:
dual diode • Duant electrometer 2
Page 234 and 235:
dumping • dust cover 219 dumping
Page 236 and 237:
dynamic decay • dynamic range 221
Page 238 and 239:
dynatron frequency meter • dyspro
Page 240 and 241:
E avg • echo 225 Symbol for AVERA
Page 242 and 243:
eddy-current loss • effective aco
Page 244 and 245:
effective phase angle • eight-lev
Page 246 and 247:
electret microphone • electrical
Page 248 and 249:
electrical transducer • electric
Page 250 and 251:
electric generator • electric res
Page 252 and 253:
electrobath • electrode efficienc
Page 254 and 255:
electrokinetics • electrolytic el
Page 256 and 257:
electromagnetic energy conversion
Page 258 and 259:
electromechanical • electromigrat
Page 260 and 261:
electron gun • electronic counter
Page 262 and 263:
electronic hygrometer • electroni
Page 264 and 265:
electronic watch • electron strea
Page 266 and 267:
electrophorus • electrostatic fie
Page 268 and 269:
electrostatic transducer • elemen
Page 270 and 271:
EM • emissivity 255 EM 1. Abbrevi
Page 272 and 273:
empirical design • end feed 257 t
Page 274 and 275:
end point • energy-level diagram
Page 276 and 277:
entladungsstrahlen • epitaxial de
Page 278 and 279:
equatorial orbit • equivalent ind
Page 280 and 281:
equivalent wye • error correction
Page 282 and 283:
ETC • even-line field 267 ETC Abb
Page 284 and 285:
exciter • expandable 269 exciter
Page 286 and 287:
exponential horn • external dampi
Page 288 and 289:
extreme • E zone 273 quantity. 2.
Page 290 and 291:
fader • fan-out 275 tomotive high
Page 292 and 293:
fatigue • feedback factor 277 bod
Page 294 and 295:
FE-EL • ferrite limiter 279 FE-EL
Page 296 and 297:
FET current meter • field coil 28
Page 298 and 299:
filament • filler 283 filament In
Page 300 and 301:
filter transmission band • firing
Page 302 and 303:
fixed-frequency oscillator • flan
Page 304 and 305:
flat top • flight telerobotic ser
Page 306 and 307:
floating probe • fluorescent mate
Page 308 and 309:
flyback transformer • focal lengt
Page 310 and 311:
folded pattern • fork oscillator
Page 312 and 313:
FOSDIC • fps system of units 297
Page 314 and 315:
Fraunhofer region • frequency ban
Page 316 and 317:
frequency function • frequency re
Page 318 and 319:
front contact The movable contact o
Page 320 and 321:
full-scale symmetry • function ge
Page 322 and 323:
G 1. Symbol for CONDUCTANCE. 2. Abb
Page 324 and 325:
gamma section • gaseous voltage r
Page 326 and 327:
gated buffer • Gauss’ theorem 3
Page 328 and 329:
General Packet Radio Service • ge
Page 330 and 331:
GIGO • glucinium 315 input to a c
Page 332 and 333:
Graffiti • graphic panel 317 a ha
Page 334 and 335:
greatest lower bound • grid resis
Page 336 and 337:
ground connection • ground-mounte
Page 338 and 339:
groundtrack • G-string antenna 32
Page 340 and 341:
Gunnplexer • G-Y signal 325 erabl
Page 342 and 343:
half-bridge • half-wavelength 327
Page 344 and 345:
Hall generator • handoff 329 Hall
Page 346 and 347:
hard wiring • harmonic-distortion
Page 348 and 349:
hat • head room 333 hat 1. Also c
Page 350 and 351:
heat transfer • helical antenna 3
Page 352 and 353:
Herschel-Quincke tube • heterodyn
Page 354 and 355:
high-energy materials • high orde
Page 356 and 357:
hiss filter • hole injector 341 h
Page 358 and 359:
horizon • horizontal flowcharting
Page 360 and 361:
horizontal sync pulse • hot line
Page 362 and 363:
HSM • Huygens’ principle 347 HS
Page 364 and 365:
hygroscopic material • hyperpolar
Page 366 and 367:
hysteresis heater • Hz 351 hyster
Page 368 and 369:
ID • IEC 353 Object Deflecting co
Page 370 and 371:
illuminated switch • image transf
Page 372 and 373:
impedance-matching transformer •
Page 374 and 375:
inclusive-OR • indexing 359 each
Page 376 and 377:
indoor antenna • induction modula
Page 378 and 379:
inductive trimmer • inertial guid
Page 380 and 381:
information superhighway • inheri
Page 382 and 383:
input • input/output module 367 i
Page 384 and 385:
insect robot • instantaneous spee
Page 386 and 387:
instrument transformer • Integrat
Page 388 and 389:
interactive photovoltaic system •
Page 390 and 391:
intermittent commercial and amateur
Page 392 and 393:
interpreter • intrinsic conductio
Page 394 and 395:
inverse voltage • invister 379 ne
Page 396 and 397:
ionization trail • I RF 381 ioniz
Page 398 and 399:
ISDN • isoplanar 383 ISDN Abbrevi
Page 400 and 401:
J 1. Abbreviation for JOULE. 2. Sym
Page 402 and 403:
jogging • J rule 387 jogging Rapi
Page 404 and 405:
K 1. General symbol for CONSTANT. 2
Page 406 and 407:
keyboard keyer • keying speed 391
Page 408 and 409:
kilogram-meter • kite-supported a
Page 410 and 411:
Kraus antenna • kWh 395 +− A RF
Page 412 and 413:
ladder network • lamp driver 397
Page 414 and 415:
lapping • laser diode 399 lapping
Page 416 and 417:
launching • LC 401 Input Z Z Z la
Page 418 and 419:
lead-in • least-significant digit
Page 420 and 421:
level-0 security • life 405 willi
Page 422 and 423:
light load • light sensor 407 lig
Page 424 and 425:
linear amplifier • linear scale 4
Page 426 and 427:
line filter • linkage 411 power c
Page 428 and 429:
liquid-pressure control • lm-hr 4
Page 430 and 431:
loading factor • local side 415 l
Page 432 and 433:
log e • logic probe 417 log e Abb
Page 434 and 435:
long-term input offset voltage stab
Page 436 and 437:
lowest usable frequency • low pow
Page 438 and 439:
lug • LZT 423 contact attached to
Page 440 and 441:
macro- • magnetic balance 425 mac
Page 442 and 443:
magnetic field strength • magneti
Page 444 and 445:
magnetic shielding • magnetic whi
Page 446 and 447:
magnetostriction • main memory 43
Page 448 and 449:
manual • maser 433 book, or a set
Page 450 and 451:
matching pad An inductance-capacita
Page 452 and 453:
Maxwell’s equations • measurand
Page 454 and 455:
medium tension • meltback transis
Page 456 and 457:
mercury delay line • meson 441 me
Page 458 and 459:
meteorology • metrology 443 meteo
Page 460 and 461:
microcomputer • micromodule 445 m
Page 462 and 463:
microsystems electronics • midran
Page 464 and 465:
millirutherford • minor lobe 449
Page 466 and 467:
mixture • moderator 451 Input1 In
Page 468 and 469:
modulation capability • modulator
Page 470 and 471:
molecular conductance • monitor s
Page 472 and 473:
Monte Carlo method • motorboating
Page 474 and 475:
M scan • multiband receiver 459 b
Page 476 and 477:
multiphase system • multiplex ste
Page 478 and 479:
multipurpose meter • Musical Inst
Page 480 and 481:
Mylar capacitor • myriametric wav
Page 482 and 483:
nanowatt • natural frequency 467
Page 484 and 485:
near ultraviolet • negative expon
Page 486 and 487:
negative resistance • nemo 471 vo
Page 488 and 489:
neper • network analog 473 on com
Page 490 and 491:
neutrodon • nickel-iron 475 neutr
Page 492 and 493:
no-charge machine fault time • no
Page 494 and 495:
noise reduction • nominal value 4
Page 496 and 497:
nonillion • nonoscillating detect
Page 498 and 499:
nonsynchronous vibrator • normal-
Page 500 and 501:
notch sweep • n-type conduction 4
Page 502 and 503:
null frequency • N zone 487 nucle
Page 504 and 505:
occultation • odometry 489 netic
Page 506 and 507:
ohmic contact • oil diffusion pum
Page 508 and 509:
one output • on-state current 493
Page 510 and 511:
open-fuse cutout • open-wire tran
Page 512 and 513:
operating station • optical chara
Page 514 and 515:
optical sound recording • Orange
Page 516 and 517:
orthoacoustic recording • oscilla
Page 518 and 519:
oscillatory current • out of phas
Page 520 and 521:
output current • output transform
Page 522 and 523:
overdrive • overload recovery tim
Page 524 and 525:
oxide-coated cathode • ozone moni
Page 526 and 527:
packet switching • panel meter 51
Page 528 and 529:
parallel circuit • parallel opera
Page 530 and 531:
parallel-wire line • parasitic ca
Page 532 and 533:
passband • passive reflector 517
Page 534 and 535:
P band • peak envelope power 519
Page 536 and 537:
peak torque • PEP transistor 521
Page 538 and 539:
peripheral equipment • persistor
Page 540 and 541:
phase compensation • phase opposi
Page 542 and 543:
phasing capacitor • phonetic alph
Page 544 and 545:
phosphorescence • photoelectric e
Page 546 and 547:
photograph reception • photon 531
Page 548 and 549:
pickoff • Pierce oscillator 533 t
Page 550 and 551:
pincushion • pitch 535 pincushion
Page 552 and 553:
{ plasma length • plated magnetic
Page 554 and 555:
plate voltage • plug-in meter 539
Page 556 and 557:
point defect • polarization 541 i
Page 558 and 559:
polarizing filter • polygraph 543
Page 560 and 561:
positional notation • positive gh
Page 562 and 563:
positive temperature coefficient
Page 564 and 565:
power-amplifier device • power gr
Page 566 and 567:
power switch • preamplifier 551 +
Page 568 and 569:
preset element • primary coil 553
Page 570 and 571:
print • private branch exchange 5
Page 572 and 573:
program • promethium cell 557 (th
Page 574 and 575:
protective resistor • pseudo-inst
Page 576 and 577:
pull-in voltage • pulse droop 561
Page 578 and 579:
pulse train • purity control 563
Page 580 and 581:
push-push multiplier • PZT 565 In
Page 582 and 583:
QC • quad 567 QC Abbreviation of
Page 584 and 585:
quadripartite • quantized pulse m
Page 586 and 587:
quarter wavelength • quartz plate
Page 588 and 589:
quick-break switch • QWERTY 573 q
Page 590 and 591:
adar • radial 575 acronym for rad
Page 592 and 593:
adioactive element • radio-freque
Page 594 and 595:
adiolocator • radio spectroscope
Page 596 and 597:
adiothermy • random feed 581 radi
Page 598 and 599:
atio detector • reactance 583 dio
Page 600 and 601:
eadthrough • receiver front end 5
Page 602 and 603:
ecompile • rectified alternating
Page 604 and 605:
eductionism • reflected power 589
Page 606 and 607:
efractivity • rejection filter 59
Page 608 and 609:
eluctivity • replacement 593 relu
Page 610 and 611:
esin • resistance-inductance circ
Page 612 and 613:
esistor substitution box • resona
Page 614 and 615:
everberation time • revolution 59
Page 616 and 617:
Rieke chart • ripple 601 ultra-hi
Page 618 and 619:
ock • rotary beam 603 rock Slang
Page 620 and 621:
ounding • rumble 605 yields 3.5.
Page 622 and 623:
S 1. Symbol for SCREEN GRID of a va
Page 624 and 625:
saturation • scale down 609 the s
Page 626 and 627:
scan rate • scientific notation 6
Page 628 and 629:
sea clutter • secondary frequency
Page 630 and 631:
secular equilibrium • selective f
Page 632 and 633:
self-excited oscillator • self-su
Page 634 and 635:
semitone • sequential 619 semiton
Page 636 and 637:
series-fed amplifier • serrated r
Page 638 and 639:
sexagesimal number system • shaft
Page 640 and 641:
shock-excited oscillator • short
Page 642 and 643:
S/I • sidetone 627 S/I Abbreviati
Page 644 and 645:
signal rectifier • silicon capaci
Page 646 and 647:
silver-oxide cell • single cotton
Page 648 and 649:
single-line tap • single-track re
Page 650 and 651:
skin effect • slider 635 skin eff
Page 652 and 653:
slotted line • small signal 637 w
Page 654 and 655:
smoke detector • software 639 Som
Page 656 and 657:
soldering gun • solution 641 typi
Page 658 and 659:
sound • sound power level 643 sou
Page 660 and 661:
source impedance • special charac
Page 662 and 663:
speech clipping • speed of transm
Page 664 and 665:
spiral-rod oscillator • spot modu
Page 666 and 667:
square-law meter • ssc 651 deflec
Page 668 and 669:
staggered tuning • standard signa
Page 670 and 671:
statement • statics 655 statement
Page 672 and 673:
step-down ratio • stop amplifier
Page 674 and 675:
storage temperature • stray field
Page 676 and 677:
stylus pressure • subsidiary comm
Page 678 and 679:
S units • supermodulation 663 V 1
Page 680 and 681:
surface-barrier transistor • surv
Page 682 and 683:
swinging choke • symmetrical cond
Page 684 and 685:
synchronous computer • synthesize
Page 686 and 687:
T 1. Symbol for TRANSFORMER. 2. Abb
Page 688 and 689:
tap changer • target acquisition
Page 690 and 691:
tee junction • telephone amplifie
Page 692 and 693:
television • temperature derating
Page 694 and 695:
terrestrial magnetism • texture s
Page 696 and 697:
thermal switch • thermoelectric j
Page 698 and 699:
thin-film semiconductor • three-p
Page 700 and 701:
thy • time-interval mode 685 thy
Page 702 and 703:
tolerance • torque amplifier 687
Page 704 and 705:
transceiver 1. A combination transm
Page 706 and 707:
transient suppressor • transistor
Page 708 and 709:
transverse electric mode • triang
Page 710 and 711:
Trinitron • tropospheric propagat
Page 712 and 713:
tuned-collector oscillator • tunn
Page 714 and 715:
two-phase • Type A telephone line
Page 716 and 717:
UHF generator • ultra-low frequen
Page 718 and 719:
ultrasonic light modulator • ultr
Page 720 and 721:
unblanking pulse • unconditional
Page 722 and 723:
underload relay • unequal alterna
Page 724 and 725:
unidirectional speaker • unilater
Page 726 and 727:
unit record • universal-wound coi
Page 728 and 729:
unsaturated standard cell • ununo
Page 730 and 731:
uranium rays • UVM 715 observed t
Page 732 and 733:
vacuum level • V antenna 717 vacu
Page 734 and 735:
variable inductor • VATE 719 Seve
Page 736 and 737:
vector power factor • velocity mo
Page 738 and 739:
versed sine • vertical frequency
Page 740 and 741:
vestigial sideband 1. A portion of
Page 742 and 743:
vibrograph • video IF amplifier 7
Page 744 and 745: vinylidene chloride • visible spe
Page 746 and 747: voice-frequency carrier telegraphy
Page 748 and 749: voltage doubler • voltage peak 73
Page 750 and 751: voltage-sensitive capacitor • vol
Page 752 and 753: volume magnetostriction • vy 737
Page 754 and 755: wall absorption • water adsorptio
Page 756 and 757: watt • wave direction 741 watt Ab
Page 758 and 759: waveguide flange • waveguide tee
Page 760 and 761: wave normal • way station 745 a r
Page 762 and 763: welder 1. An electrical device, oft
Page 764 and 765: whistle filter • Wide Area Teleph
Page 766 and 767: width modulation • Wilson cloud c
Page 768 and 769: wing • wire gauge 753 another mem
Page 770 and 771: wire stripper • Wolf’s equation
Page 772 and 773: workout • wrong color 757 workout
Page 774 and 775: X 1. Symbol for REACTANCE. 2. Symbo
Page 776 and 777: X-ray photograph • x-y recorder 7
Page 778 and 779: y-axis • ytterbium metals 763 2.
Page 780 and 781: Z 1. Symbol for IMPEDANCE. 2. Symbo
Page 782 and 783: Zener knee • zero capacitance 767
Page 784 and 785: zero potential • zero-zero 769 ze
Page 786 and 787: Z meter • zwitterion 771 (3) an i
Page 788 and 789: Appendix Schematic symbols A Ammete
Page 790 and 791: Schematic symbols 775 Diode, PIN Di
Page 792 and 793: Schematic symbols 777 Inductor, pow
Page 796 and 797: Schematic symbols 781 Solar cell
Page 798 and 799: Schematic symbols 783 Transformer,
Page 800 and 801: Schematic symbols 785 Tube, triode
Page 802 and 803: 788 Appendix B System cgs cgs Prope
Page 804 and 805: 790 Appendix B @ at the rate of; at
Page 806 and 807: This page intentionally left blank.
Page 808 and 809: This page intentionally left blank.
Page 810: Suggested additional references Cro
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