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A1698

Information - Help 
ID = 43660
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Bell Labs; Murray Hill, NJ. 
Tube type:  Transistor   Audio Frequency 
Identical to A1698
First Source (s)
Oct.1952 : Popular Science S.237-239
Nov.1951 : Bell Lab News / Symp.

Base Wires
Filament Solid State
Description Early PNP germanium point contact transistor intended as AF amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 8 x 5 mm / 0.35 x 0.31 x 0.20 inch
Weight 1 g / 0.04 oz
Information source -- Schematic   
  a1698_umgeb1.gif
  A1698: Funkschau 1953 / Popular Science 1952
Günther Stabe
 
wea169820kb.jpg
A1698: Ref "The Transistor" Bell Labs Nov 1951
Mark Burgess

 
early_1_12.gif
A1698: KTT 1969/70
Günther Stabe

 
wea1698_chacteristics_1.png
A1698: Ref "The Transistor" Bell Labs Nov 1951
Mark Burgess



Forum contributions about this tube
A1698
Threads: 1 | Posts: 1
Hits: 1550     Replies: 0
A1698 (A1698)
Mark Burgess
18.Jan.10
  1

This is an early point-contact transistor by Bell Laboratories. It appears in their manual "The Transistor" produced for the 1951 November symposium. It was marketed by Western Electric.

 

 
A1698
End of forum contributions about this tube

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