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ID = 58147
United States of America (USA)
Brand: Polarad Electronics Corp.- Long Island, NY
Tube type:  Reflex Klystron   UHF 
Identical to 7506 = ZV1012
First Source (s)
20.Aug.1962 : Electron Tube Registration List rec. 3848

Filament Vf 6.3 Volts / If 0.68 Ampere / Indirect
Description Metal-ceramic klystron; 500 to 3000 MHz; can be operated CW, pulsed or FM. Pee-wee 4 pin base; external cavity. Made to Polarad specs under WE patents.
Pin 1 - control electrode, pin 2,4 - heater, pin 3 - cathode; resonator grids to the two rings on the body; reflector to cap.
JEDEC registration code for ZV1012. 
Information source - - Manufacturers Literature   

zv1009_pin~~9.png 7506: Manufacturer's Literature
Emilio Ciardiello

7506: Manufacturer's Literature
Emilio Ciardiello

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