INDEX 



Emitter (of transistor) 678 

 Equivalent circuit 



barrier-layer cell 368 



demonstrating pick-up of inter- 

 ference 656 etc. 



demonstrating stimulus artefact 



609 etc. 



earthed-base transistor 692 



earthed-emitter transistor 682, 



691 



force-recording apparatus 475, 



477 



input of flip-flop 443 



interval ve couplings 153, 155 



inter-transistor coupling 687 



microelectrode 552, 554, 559, 



multi-vibrator 230 



pen recorder 495 



pentode amplifier 148 



piezo-electric transducer 48 1 



transmission line in mechanical 



systems 478 



triode amplifier 140 



Exponential response 28, 59, 552 

 Extra high tension (EHT) 284, 363, 

 424, 457, 597 



Farad 25 

 Faults 



— in components 665, 666 



— in equipment, complete 665 



— in equipment, illusory 669 



— in equipment, intermittent 668 



— in equipment, partial 667 

 Feedback, negative current 250 



— negative voltage 164 

 Ferroxcube 309 

 Filter 



— classical 83 



— other LC types 91 



— R-C band-pass 46 



cascaded sections 39 



fed from real generator 38 



high-pass 35 



low-pass 35 



with limited phase shift 43 



Flicker noise 255 

 Flip-flop 235 



— transistorized 709 

 Flux, magnetic 54 

 Frequency response 



See under Steady-state response or 

 transmission characteristic 

 Fuses 324 



Gain 



— balance control for diff"erential 



voltage amplifiers 189 



— control of transistor circuits 695 



— control for differential voltage 



amplifiers 185 



— loop 165 



— of earthed emitter transistor 683 



— stabilization of, by negative feedback 



167 



— voltage amplifier, pentode 147 



triode 138 



Galvanometer amplifier 620 

 Gas discharge lamps 344 



— chamber counting 423 



— filled photocells 358 

 Geiger tubes 424, 426, 435 

 Generators 



— constant current 3, 134, 148 



— constant voltage 3 



— ideal 3 



— real 8 

 Germanium 



— junction photodiode 378 



— junction rectifiers 3 1 6 



— junction transistor 677 



— signal diodes 317 

 Glow modulator tube 351 

 Grid 128, 133 



— bias 1 35 



automatic 1 54 



— control 144 



— current control 624 



— screen 144 



— suppressor 146 



Hanna design procedure 313 



Hard valves 132 



Heat 383 



Heater power supplies for valves 284, 



288, 594 

 Henry 56 



High-speed relay 519 

 High tension (HT) 134, 137 



batteries 284 



supplies, mains derived, stabilized 



586, 587 

 supplies, mains derived, unstabi- 



lized 585 

 Homogeneous resistance noise 253 

 Humidity control 416 



— measurement 413 



Ideal generators 3 

 — transformer 64 



713 



