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| Ïîèñê ïî óêàçàòåëÿì |
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| Hendrik Wade Bode — Network Analysis and Feedback Amplifier Design |
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| Ïðåäìåòíûé óêàçàòåëü |
Regenerative amplifiers 53
Regulating broad-band amplifier 509—529
Regulating broad-band amplifier, high frequency characteristic for 517—529
Regulating broad-band amplifier, lower cut-off characteristic for 509—517 see
Regulator circuits for speed, voltage or frequency control 43
Regulator circuits, to compensate for temperature and repeater spacing irregularities 518—519 523
Relations between real and imaginary components of network functions 303—336
Relations between real and imaginary components of network functions, applications of formulae for 304—305
Relations between real and imaginary components of network functions, graphical computation of 337—345
Relations between real and imaginary components of network functions, tabulation of 335—336
Relative importance of tubes and circuit in limiting feedback 476—477
Relative sensitivity 62—63 66 73
Relative sensitivity in multiple loop circuits 83
Relative sensitivity, ratio of return difference to 84—86
Representation of impedance functions see “Physical representation”
Residual attenuation distortion with linear minimum phase shift characteristic 322—327
Residue of a function at a pole 145 296 305
Resistance and reacrance for minimum resistance and reactance networks 205—206
Resistance and reacrance, relation between 204
Resistance efficiency, definition 376
Resistance efficiency, reduction for transition region 377
Resistance integral condition 362 394—396 431—435
Resistance integral condition for four-terminal interstage gain 435—436 438 440
Resistance integral condition theorem 280—283
Resistance reduction of passive impedances 170—173 226 236
Resistance reduction theorem 172
Resistance reduction, extension to active impedances 189
Resistance reduction, for plate or grid-leak-conductance in interstage design 173
Resistance, minimum 172
Resistance, negative 185—188
Resistance, terminating 227
Resonant and anti-resonant networks 174 178 183 495
Resonant and anti-resonant networks, Q and element value limitations in 503
Resonant circuit, the single 18—19
Return difference and impedance 68—69
Return difference and impedance measurements 75
Return difference and impedance sensitivity 47—48 54—60
Return difference and impedance, relative 84—86
Return difference for bilateral elements 50—52 71
Return difference for open- or short-circuited elements 7 69
Return difference for reference k 49—50 66 186
Return difference for two elements 75—78
Return difference for zero reference 50 66 186
Return difference, definition 47—49
Return difference, plot 151—153
Return loss in reflection coefficient theory 365—367
Return ratio 47—48 65 186
Return ratio for bilateral elements 50 71
Return ratio for reference value k 51 95
Return ratio for zero reference 48
Return ratio, definition 48—49
Return ratio, plot 154—156 160—163 476
Return voltage 48
Return voltage and tube variations 46—47
Return voltage difference see “Return difference”
Riemann surface 297
Roots of  , and  109—113 134 152 157 164
Scott, R.F. and Matthews, G.B. 54
Screen-grid type tube 1 16 361 384
Self-admittance of a node 11
Self-biasing units in a cathode 510—513
Self-immittance 48
Self-impedance 11 48
Semi-infinite constant slope characteristic 338 341—344
Semicircular integration path 143—144 365—367
Sensitivity 47—48 52—60 63 71 84—86
Sensitivity, definition 47
Sensitivity, general formula for 53—54
Sensitivity, relation of, to return difference 54—60
Sensitivity, relative see “Relative sensitivity”
Series feedback amplifier 86 463 485—486 517—529
Series feedback amplifier in coaxial repeaters 361 388
Series feedback amplifier, impedance of 73
Shaw, R.C. 485
Shea, T.E. 1 78 80 83
Short-circuit stable networks 19 189—191 203 206 227 279
Shot effect 35
Shunt feedback amplifier 86 459 462
Shunt feedback amplifier, impedance of 73
Signal-to-noise ratio 34 384 386—387 390 393 490
Signal-to-noise ratio, relation of modulation and signal level to 390
Signal-to-noise ratio, volume performance and signal level to 391
Simulation of resistance characteristic by ladder line 376
Singing see “Stability”
Single loop amplifiers, absolutely stable 288 451—487 489 see
Single loop amplifiers, definition of 451
Single loop amplifiers, illustrative feedback designs for 489—529
Singularities 27—28 144 147 152
Singularities at infinity 301
Singularities, branch point 279 300—301
Singularities, essential 300
Singularities, logarithmic 28 278—279 300
Six-terminal network 35
Sources, current and voltage 13
Sources, energizing 10 190
Stability 44 49 154 226 245—246 486
Stability and physical realizability 103—136
Stability and the roots of 109—111
Stability of passive networks 132—134
Stability, correction of loop characteristics to produce 470
Stability, effect of changes in tube gain on 453
Stability, effect of excess phase on 386
Stability, index of 158
Stability, limitations on network functions resulting from requirements for 103—136
Stability, limiting gain and phase margin for 453
Stability, relation of, to singing 107
Stability, relation of, to steady-state characteristics 109—110
Stability, relation of, to transients 107
Stability, relation of, to zero impedance or return difference 69
Stability, requirements derived from the energy functions 132—134
Stability, requirements on the roots of 109—110 137
Stability, type of, absolute or unconditional 162—164 288 453
Stability, type of, conditional or Nyquist 162—164 289 452
Stability, type of, open- or short-circuit 189
Stable amplifier circuits 419 475 see
Stage gain and phase 403
Stages of an amplifier, increase in the number of 496 see
Staggered grid circuit designs 515
Starr, A.T. 271
Steady-state characteristics 300
Steady-state characteristics, relation of stability to 109—110
Steady-state solution for the-mesh equations 7 18
Step-type cut-off 465 476 see
Stiffness 5
Stored energy functions T and V 127 171 216
Straight-line approximation method 337—339
Strieby, M.E. 285 309
Subsidiary feedback path 158 489
Superposition theorem 1
Superposition, principle of 20
Surplus factors in equalizer expansions 258—260
Susceptance reduction 173—177 234 see
Symmetrical interstage networks 438—440
Symmetrical lattice network see “Lattice network”
Symmetrical minors 113
Symmetrical minors, roots of 116
Symmetrical minors, upper cut-off characteristic 517
Synthesis vs analysis of networks for feedback amplifiers 103
T and  networks 268—269
T-plot 154—156 160—163 476
Tandem configurations 229 237 251
Television transmission 309
Terman, F.E. 1 31—32 78 80 83 326 373
Thermal agitation 35
Thevenin’s theorem 11 387—389
Thevenin’s theorem in active circuits 76—78
Thevenin’s theorem, generalized 78 80
Townsend, E.J. 137
Transconductance 14 47—48 156 186 385 387 403 451 457 459 477 483 495 518
Transconductance product 451
| Transfer constant 230—233
Transfer impedance as a function of a single element 9—10 223
Transfer impedance as a passive network parameter 227—230
Transfer impedance in terms of external impedance measurements 266—268 432
Transfer impedance, active 244—246
Transfer impedance, all-pass 239—242
Transfer impedance, choice of parameters in 265—266
Transfer impedance, complementary characteristic for a general 249
Transfer impedance, constituents of a general 246—248 252—253 260
Transfer impedance, construction of a general 230—233
Transfer impedance, driving-point and 8—9 24
Transfer impedance, loss and phase reduction of 236—238
Transfer impedance, minimum phase shift 238 242—244
Transfer impedance, partial product expansion of a 250—258
Transfer impedance, reconstruction of a, from a knowledge of either component 261—263
Transfer impedance, representation by lattices 258—259
Transfer impedance, surplus factors in 258—260
Transformations from low-pass to band-pass interstages 418
Transformations, frequency see “Frequency transformations”
Transformer as interstage network 427—428
Transformer characteristic 36
Transformer for crossing terminals 40
Transformer with lattice and bridge circuits 271
Transformer, equivalent T 183
Transformer, potentiometer terms 389—390 519
Transformer, tuned 369
Transients 30 107 110
Transimpedance 6 7 48 see
Transit time 1 457 481 485
Transit time frequency,  485
transmission line 222—223 298—299
Transmission, definition 77
Trap circuit 290—291 420—421 497—498 507—509
Tube see “Vacuum tube”
Two-terminal impedance of Brune type 182—185
Two-terminal interstage of specified phase margin 418—425
Two-terminal interstage with maximum constant gain 406 408—415
Two-terminal interstage with variable gain 415—417
Two-terminal interstage, band-pass 418
Two-terminal interstage, gain 403—406
Two-terminal interstage, general theorems on 403—407
Two-terminal interstage, ideal 411—412
Two-terminal interstage, simple types of 425—427
Two-terminal network see “Driving-point impedance”
Type J open-wire carrier telephone system 499—502
Type of feedback circuits, balanced bridge 37—38 73 85 464
Type of feedback circuits, cathode 39—40 86 361 400
Type of feedback circuits, double loop 56
Type of feedback circuits, general 35—39
Type of feedback circuits, hybrid coil, high and low side 38 464 499
Type of feedback circuits, local 41 95—101
Type of feedback circuits, local, series and shunt 42
Type of feedback circuits, multiple loop 42 45
Type of feedback circuits, series 36—37 39—41 73 86 361 463 485—486
Type of feedback circuits, shunt 36—37 39 73 86 504
Type of feedback circuits, single loop 41 46—47 55 61 86 451—487
Unfolded loop 505
Uniform dissipation, definition 216
Uniform dissipation, frequency transformation for 217
Unilateral element see “Vacuum tube”
Unit amplitude, definition 131
Unit slope, definition 315
Unsymmetrical minors 113
Unsymmetrical minors, roots of 116
Vacuum tube 1 6—7 13—14 31—81 186 451 462 494
Vacuum tube, amplification 6
Vacuum tube, currents and voltages 6—7
Vacuum tube, distortion 79—80
Vacuum tube, elements 6
Vacuum tube, figure-of-merit 477
Vacuum tube, grid-plate coupling 7
Vacuum tube, impedances 6—7
Vacuum tube, linear or non-linear 43
Vacuum tube, mutual impedance 6 67
Vacuum tube, parasitic capacities see “Parasitic capacity”
Vacuum tube, phase reversal 7 48
Vacuum tube, plate generator, apparent or equivalent 6
Vacuum tube, reference value 78—79
Vacuum tube, return difference 77
Vacuum tube, transconductance see “Transconductance”
Vacuum tube, transimmittance 48—49 56
Vacuum tube, transimpedance 6—7
Vacuum tube, variations in gain, return voltage as index of effect of 46—47
Vacuum tubes in tandem 7 31—81
Vacuum tubes working into their own parasitic capacities 457—458 477
Vacuum tubes, optimum number of 478—480
Vacuum tubes, to furnish negative resistances 187
Variable cut-off characteristic, mean and extreme values of 520—521
Variable cut-off characteristic, required changes in loss and phase margins of 519—520
Variable cut-off characteristic, simulation by circuit with regulator 527—529 see
Variable cut-off characteristic, theoretical 519—521
Variable loop gain in the useful band 456
Variable phase margin over cut-off region 456
Variations in a network characteristic produced by changes in a single element 223—225
Video amplifier interstage 326
Voice-frequency band 43
Voltage equations, branch 4
Voltage equilibrium 4 10
Voltage equivalent plate generator 7
Voltage generator of zero internal impedance 188—189
Voltage of frequency f 22
Voltage source 1 10 13 190
Voltage, complex, exponential or sinusoidal 8—9 18—23 29—30
Voltage, driving 4—10 29
Voltage, input and output 31 34
Voltage, instantaneous 8
Voltage, node 2—3
Voltage, steady-state 15 30
Volume limiter 490
Volume performance 387—392 399—401 486
Volume performance in illustrative design 392
Volume performance per repeater link 392
Volume performance requirement 391—392
Volume performance vs external gain 396 399
Volume performance, characteristics, definition 387
Volume performance, compromise between feedback and 390 463
Ware, L.A. 151
Wave filter 1
Wave filter for input and output circuits 369 372—378
Wave filter for interstage networks 417
Wave filter, dissipative 217
Wave filter, image impedance 326
Wave filter, representation by lattices 234—235
Wave filter, simple circuits approximating the impedance of a 312—315
Webster, A.G. 126
Weighting factor for computing phase 313
Wentz, J.F. 285 309
West, J.M. 392 489
Wheatstone bridge, inverse network for 197
Wheatstone bridge, unfolded lattice as a 231 243
Wheeler, H.A. 408 428
Whittaker, E.T. 126
Wiener, N. 242 303
Zero gain intercept of asymptote 460
Zero reacrance or phase characteristic 294
Zero reference for an element 48—49
Zeros and poles in equalizer design 249—262
Zeros and poles in general physical network characteristics 105—106 111 120—123 134 276—277
Zeros and poles in phase reduction 365
Zeros and poles in pure reactances 215
Zeros and poles in transfer impedance functions 230—240
Zeros and poles of impedance and admittance 24—28
Zeros and poles of resonant circuit impedance 26—27
Zeros and poles on real frequency axis 105 111—113 171—178
Zeros and poles, interchange of 196
Zeros and poles, location of, on complex plane 105
Zeros and poles, translation of, for parasitic dissipation 217—218
Zeros for stable networks 134
Zeros in an illustrative circuit 115—120
Zeros of on real frequency axis 111—113
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