26 



THE BELL TELEPHONE SYSTEM TECHNICAL JOURNAL, 1956 



Transducer 

 helix 



coupled 161-65 

 heterodyne conversion 

 nonlinear element 

 admittance 1403-16 

 gain 1403-16 

 Transistor 

 base, see Base 

 contacts, see Contact 

 high-frequency operation 



base layers, thin 1 

 junction 

 alloy 

 germanium 

 concentrator, line 



remote controlled 253 

 temperature, effect 253 

 analog systems, applications 295- 



332 

 digital systems, applications 295- 



332 

 n-p-n 

 silicon 

 base, diffused 1-22 

 design 14-21 

 electrical characteristics 6- 



10 

 fabrication 2-6 

 parameters, design 14-21 

 structure 10-14 

 emitter, diffused 1-22 

 design 14-21 

 electrical characteristics 6- 



10 

 fabrication 2-6 

 parameters, design 14 21 

 structure 10-14 

 p-n-p 



germanium 

 base, diffused 23-34 

 electrical characteristics 26- 



33 

 fabrication 23-24 

 physical characteristics 24- 

 26 

 properties 295 

 parameter, see Parameter 



point-contact 

 applications 768 

 characteristics 

 surface treatments 

 effect 767-811 

 demand 768 

 dependal)ility 768 

 design 769 



electrical characteristics 768 

 knowledge 



empirical 769 

 military applications 768 

 physical properties 769-811 

 processing 



surface effects 767-811 

 reliability 768 

 ruggedness 768 

 power consumption 295, 1085 

 reliability 295, 1085 

 size 295, 1085 

 surface, see Surface 

 Transistor Amplifier See Amplifier 

 Transistor Circuits for Analog and Digi- 

 tal Systems (F. H. Blecher) 295-332 

 Transistor Integrator See Inte- 



grator 

 Transistor Pulse Regenerative Aviplifiers 



(F. H. Tendick, Jr.) 1085-1114 

 Transistor Voltage Encoder See 



Encoder 

 Transistorized Binary Pulse Regenerator 



(L. R. Wrathall) 1059-84 

 Translator 

 card 

 4A illus 1006 



magnetic drum alternative 707, 

 709 

 magnetic drum illus 710 



administration equipment 741-44 ; 

 illus 740 



block diagram 742 

 l)lock diagram 720-21 

 card translator 



alternative 707, 709 

 circuit design 725-41 

 equipment 725-41 

 functions 719-25 

 interchangability 719 

 switching 



toll 707-45 

 testing program 744-45 



