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B308D

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ID = 66875
       
Country:
Germany
Brand: Halbleiterwerk Frankfurt /Oder, VEB, (HFO); Frankfurt /Oder (Ostd.)
Tube type:  IC - Integrated Circuit   Audio Frequency 
Identical to B308D
Similar Tubes
Other characteristic (electr. data):
  B318D
Other base and data slightly different:
  TBA830

Base SPECIAL TUBEBASE in general
Description

Microphone amplifier for piezoelectric microphones in telephone sets.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
19 x 7 x 8 mm / 0.75 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Information source -- Original-techn. papers.   HFO

b308d_b318d_umgeb1.png
B308D: HFO
Günther Stabe † 19.8.20

dip_14~~129.gif B308D: TTT Steidle 1981
Günther Stabe † 19.8.20

b308d_b318d_blockd.png
B308D: HFO
Günther Stabe † 19.8.20

Collection of

 
b308d.jpg

B308D
 

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