Western Electric 1B23 T.R. Cell
              Tube alternat
              Sperröhre, TR-Zelle
              1941. Spark-gap switch for radar use from 0.9 to 1.2 GHz inside an external cavity.
              Double-gap, gas-filled (hydrogen and water vapor) for service in Navy radars and IFF sets.
              450 kW max pulse power.
              Also approved as CV539.
              Formerly 729A, which replaced 702A.
              A.L. Samuel, J.W. Clark and W.W. Mumford, The Gas-Discharge Transmit-Receive Switch, Bell System Technical Journal, Volume 25, issue 1, January 1946.
              Fiche technique • Data sheet • Datenblatt:
              1B23.pdf
			   
			  
			  Hauteur • Height • Höhe : 71 mm • 2" 3/4
			  Diamètre • Diameter • Durchmesser : 18 mm • 11/16"
			  
			  
			  
			   
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