Tab Electronics Guide to Understanding Electricity ... - Sciences Club

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More About Capacitors and Inductors 399 Figure 15-13 General-purpose tone generator. 12 V 10 10 k 0.1 F + 8 k 2N3906 56 k 2N3904 P1 50 k Figure 15-14 Electronic siren. S1 12 V 15 k R1 22 k 50 k + C1 22 F R2 39 k Q1 2N3904 2N3906 8 k 0.05 F causing the pitch of the oscillations to increase. When S1 is released, C1 begins to slowly discharge through R2 and the Q1 base, causing the pitch to decrease. The overall effect is that of a siren. To make the operation automatic, S1 can be removed, and the top of R1 can be connected to one of the low-frequency, op amp square-wave
400 Chapter Fifteen generators illustrated in Figs. 15-11 and 15-12. The frequency of the square-wave generators might need to be reduced for optimum operation. Building a Lab Function Generator Figure 15-15 illustrates a very versatile square- and triangle-wave function generator for lab use or many other applications. It requires only two dual op amps, and it can be assembled on a small universal grid board. The square and triangle waves are independently amplitude-adjustable with low output impedances. The circuit is very forgiving of power supply variations and component tolerances. It is also easily modified for specific applications. In Fig. 15-15, IC1A forms a comparator that is continually switched by the output of the IC1B integrator. Because the wiper of P1 provides the reference voltage, P1 acts as a symmetry control. The frequency of oscillation is controlled by P3, R1, and C1. IC2B serves as a buffer/attenuator amplifier with an adjustable DC offset controlled by P4 and IC2A. When building the circuit, don’t forget to connect the 12-V and 12- V power supply leads to their respective power input pins on the op amps (this is not shown on the schematic). Figure 15-15 Square- and trianglewave function generator. P1 1 k 12 V 27 k 2 3 IC1A 20 k 1 Square out P3 100 k R1 10 k P2 5 k 4.7 k 20 k 12 V P4 25 k 12 V 4.7 k C1 0.1 F 6 IC1B 7 5 20 k 1 k P5 6 20 k 7 IC2B 5 Triangle out 1 k 2 1 IC2A 3 IC1, IC2 NTE778A
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TAB ELECTRONICS GUIDE TO UNDERSTAND
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TAB Electronics Guide to Understand
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To my Lord and Savior, Jesus Christ
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CONTENTS Preface Acknowledgments xv
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Contents ix Chapter 5. Capacitance
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Contents xi The Triac 287 Unijuncti
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Contents xiii Low-Pass Filters 380
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PREFACE When I was 10 years old, I
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ACKNOWLEDGMENTS I would like to tha
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1 CHAPTER Getting Started As the ol
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Getting Started 3 tiny parts that t
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Getting Started 5 Obtaining the Inf
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Getting Started 7 to get them! A li
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Getting Started 9 The Workbench A g
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Getting Started 11 potential destru
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Getting Started 13 be ideal for sta
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Getting Started 15 Figure 1-5 A ver
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Getting Started 17 should look like
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Getting Started 19 fascinating hobb
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Getting Started 21 zines (often cal
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Getting Started 23 capacitors are p
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Getting Started 25 mail-order surpl
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2 CHAPTER Basic Electrical Concepts
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Basic Electrical Concepts 29 types
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Basic Electrical Concepts 31 recogn
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Basic Electrical Concepts 33 Figure
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Basic Electrical Concepts 39 the co
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Basic Electrical Concepts 41 Voltag
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Basic Electrical Concepts 43 potent
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Basic Electrical Concepts 45 relati
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Basic Electrical Concepts Figure 2-
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Basic Electrical Concepts 49 and th
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Basic Electrical Concepts 51 vide t
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Basic Electrical Concepts 53 G (R3)
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Basic Electrical Concepts 55 presen
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Basic Electrical Concepts Figure 2-
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Basic Electrical Concepts power dis
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Basic Electrical Concepts 61 This i
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Basic Electrical Concepts relate to
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Basic Electrical Concepts 67 Exerci
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Basic Electrical Concepts that the
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Basic Electrical Concepts 73 nonsta
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Basic Electrical Concepts 75 the re
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Basic Electrical Concepts 79 Exerci
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3 CHAPTER The Transformer and AC Po
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The Transformer and AC Power 83 whi
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The Transformer and AC Power 85 Thi
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The Transformer and AC Power 87 Pea
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The Transformer and AC Power 89 cau
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The Transformer and AC Power consta
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The Transformer and AC Power 93 vir
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The Transformer and AC Power 95 fie
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The Transformer and AC Power 97 P
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The Transformer and AC Power 99 the
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The Transformer and AC Power 101 th
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The Transformer and AC Power 103 ho
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The Transformer and AC Power 105 Fi
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The Transformer and AC Power 107 ed
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The Transformer and AC Power 109 pr
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The Transformer and AC Power 111 pl
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The Transformer and AC Power 113 Tu
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4 CHAPTER Rectification Earlier in
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Rectification 117 rus of rattling a
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Rectification 119 Figure 4-3 Diode
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Rectification 121 Figure 4-4 Half-w
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Rectification 123 Figure 4-7 Curren
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Rectification 125 Figure 4-8 Curren
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Rectification 127 Figure 4-12 Redra
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Rectification 129 Be aware that som
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Rectification 131 Hopefully, F1 did
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5 CHAPTER Capacitance A capacitor i
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Capacitance 135 Ceramic is the most
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Capacitance 137 charged, when the s
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Capacitance 139 In reference to cap
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+ Capacitance 141 Figure 5-3 A DC f
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+ Capacitance 143 Figure 5-4 Full-w
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Capacitance 145 from the bridge rec
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Capacitance but it is usually prude
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Capacitance 149 Figure 5-7 Approxim
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Capacitance 151 Many of the more ex
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6 CHAPTER Transistors Before gettin
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Transistors 155 Telephone Laborator
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Transistors 157 higher positive pot
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Transistors 159 reference, the emit
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Transistors 161 Adding Some New Con
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+ Transistors 163 Figure 6-3 Practi
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Transistors 165 is typically a high
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+ Transistors Figure 6-5 illustrate
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Transistors 169 Figure 6-6 Demonstr
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Transistors 171 Figure 6-7b PNP tra
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Transistors (which is the emitter v
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Transistors 175 The transistor circ
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Transistors 177 Again referring to
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Transistors 179 will be very stable
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Transistors 181 Imagine you were go
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Transistors transfer of a voltage s
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Transistors may recall from Chapter
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Transistors 187 base current flow p
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Transistors 189 is connected to its
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Transistors 191 soon as some amount
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Transistors 193 As you have seen, t
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Transistors 195 It might be a littl
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Transistors 197 Figure 6-12 Suggest
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Transistors 199 If a load is placed
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7 CHAPTER Special-Purpose Diodes an
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Special-Purpose Diodes and Optoelec
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+ Special-Purpose Diodes and Optoel
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8 CHAPTER Linear Electronic Circuit
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Linear Electronic Circuits 231 Figu
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Linear Electronic Circuits 233 appl
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Linear Electronic Circuits 235 circ
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Linear Electronic Circuits 237 “a
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Linear Electronic Circuits 239 Dist
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Linear Electronic Circuits 243 To u
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Linear Electronic Circuits 249 will
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Linear Electronic Circuits 251 all
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Linear Electronic Circuits 253 manu
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Linear Electronic Circuits 255 minu
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Linear Electronic Circuits 257 tion
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Linear Electronic Circuits 259 CAD
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Linear Electronic Circuits 263 Cons
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Linear Electronic Circuits 265 anyt
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Linear Electronic Circuits 267 lead
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Linear Electronic Circuits 269 Note
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Linear Electronic Circuits 273 TABL
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Linear Electronic Circuits 275 desi
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Linear Electronic Circuits 277 nal-
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Linear Electronic Circuits 279 DC).
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Linear Electronic Circuits 281 ply
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9 CHAPTER Power Control The term th
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Power Control 285 matically be reve
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Power Control equal in both. Theref
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Power Control 289 V p ) is reached.
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Power Control 291 There are several
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Power Control 293 decrease in resis
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Power Control 295 As explained earl
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Power Control 297 Figure 9-9 Buffer
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Power Control 299 Figure 9-10 A sim
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10 CHAPTER Field-Effect Transistors
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Field-Effect Transistors 303 Referr
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Field-Effect Transistors 305 voltag
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Field-Effect Transistors 307 Static
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Field-Effect Transistors 309 Figure
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Field-Effect Transistors 311 functi
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Field-Effect Transistors 313 Sounds
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Field-Effect Transistors 315 A UJT
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11 CHAPTER Batteries Because many h
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Batteries 319 Gelled electrolyte ba
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Batteries 321 in which mandatory di
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Batteries 323 RS1 is set to the pos
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12 CHAPTER Integrated Circuits The
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Integrated Circuits 327 mon-mode re
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Integrated Circuits 329 not be depe
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Integrated Circuits 331 Improvement
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Integrated Circuits 333 Figure 12-3
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Integrated Circuits 335 Figure 12-6
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Integrated Circuits 337 other filte
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Integrated Circuits 339 This circui
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Integrated Circuits 341 connected d
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13 CHAPTER Digital Electronics Digi
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Digital Electronics 345 The binary
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Digital Electronics 347 occur on th
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Page 374 and 375: Digital Electronics 355 Summary Man
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Page 380 and 381: 14 CHAPTER Computers In today’s w
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Page 390 and 391: 15 CHAPTER More About Capacitors an
Page 392 and 393: More About Capacitors and Inductors
Page 424 and 425: 16 CHAPTER Radio and Television Rad
Page 426 and 427: Radio and Television 407 Figure 16-
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Page 434 and 435: Radio and Television 415 Figure 16-
Page 436 and 437: APPENDIX A SYMBOLS AND EQUATIONS Th
Page 438 and 439: Symbols and Equations 419 IF Interm
Page 440 and 441: Symbols and Equations 421 rcvr Rece
Page 442 and 443: Symbols and Equations 423 Formulas
Page 444 and 445: Symbols and Equations 425 I 20 log
Page 446 and 447: Symbols and Equations Meter formula
Page 448 and 449: Symbols and Equations 429 Resistanc
Page 450: Symbols and Equations 431 Temperatu
Page 453 and 454: 434 Appendix B Electronic Kit Suppl
Page 455 and 456: 436 Appendix B Marlin P. Jones & As
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Page 459 and 460: 440 Appendix C Figure C-1 (cont.) 1
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Page 463 and 464: 444 Index Amplifiers, audio (Cont.)
Page 465 and 466: 446 Index Capacitance and capacitor
Page 467 and 468: 448 Index Digital ICs, 326 Digital
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450 Index Filters (Cont.): Percussi
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452 Index Lab for electronics work,
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454 Index Photographic method for p
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456 Index Resist ink in printed cir
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458 Index Transformers (Cont.): Iso
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ABOUT THE AUTHOR G. Randy Slone is
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