radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

438A

Information - Help 
ID = 35076
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Reflex Klystron   SHF/EHF (>3 GHz) 
Identical to 438A
Similar Tubes
Other characteristic (electr. data):
  397A

Base Octal with RF-contact (long)
Filament Vf 6.3 Volts / If 0.44 Ampere / Indirect / Parallel, (AC/DC)
Description

Reflex klystron used in microwave receivers. Similar to WE 397A, gives full coverage of the 3700 to 4200MHz band when oacillating 65MHz over the antenna signal. 723A/B format, with octal-like base including the coaxial output probe.

 
Information source Tube Lore (I)   
 
438a.jpg
438A: D. Meier
Doug Meier

 
8fh.png
438A
Emilio Ciardiello

 

from Just Qvigstad


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg