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DV57

Information - Hilfe 
ID = 77801
       
Land:
Grossbritannien (UK)
Marke: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Entwickler: Standard Telephones and Cables Ltd. (STC); London, Foots Cray 
Typ:  MIKROWELLEN und RADAR (allg.) 
  Ca. 1925 bis 1945, aber keine Serienfabrikation. Z.B. Entwicklungsmuster. *****
Identisch mit DV57

Sockel Oktalsockel K8A, IO (USA ab 1935)
Anwender Radar
Heizung Indirekt
Beschreibung

When British decided on microwave radar, all the RF components were still to be developed. Several solution were proposed and evaluated for the local oscillator in the receiver, including triodes, magnetrons and klystrons. We know tha eventually klystron was preferred for its low noise, its frequency stability and the ease of adding AFC. At STC Fremlin developed several microwave Heil oscillators, mainly intended as local oscillators.

According to the attached label, DV57 was a scaled down DV55, intended to operate at 3 cm. No data available

 
Abmessungen (BHT)
inkl. Stifte/Spitzli
x 140 x mm / x 5.51 x inch
Literatur -- Collector info (Sammler)   


Just Qvigstad

Sammlung von

 
dv57_3cm_02.jpg

DV57
 

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