Ericsson SER RYG10 Magnetic Beam Switching Tube
Tube compteur/sélecteur en base 10
Dekadische Zähl-, Anzeige- und Schaltröhre

SER = Aktiebolaget Svenska Elektronrör (Ericsson), Stockholm, Sweden.

Early two-electrode magnetic beam switching tube, capable of displaying its own count position, with a circular end-view readout comparable to a conventional dekatron. Unlike a dekatron, the RYG10 is a thermionic device, and derives its readout from phosphor-coated targets located at each count position around the circumference of the anode sleeve.
The RYG10 has a maximum counting speed of 1 MHz.

Datasheets: RYG10_Ericsson.pdf & RYG10_KG.pdf.

• K. Kandia and D. W. Chambers, Multi-Electrode Counting Tubes, Journal of the British Institution of Radio Engineers, April 1955.
• British Patent 729,468 Electron Tube (1955).

 Video on YouTube: LM Ericsson trochotron RYG10 counting up to 100KHz by using an electro magnet
 Video on YouTube: LM Ericsson trochotron RYG10 counting clockwise

 

Hauteur • Height • Höhe : 54 mm • 2" 1/8
Diamètre • Diameter • Durchmesser : 25 mm • 1"

 

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