Sylvania 6068A TR Cell Tube  
Written by AnubisTTP on 2011-11-20  

Description

The 6068A is a relatively undocumented TR cell with a complex internal construction. The cavity of this tube appears to be wholly separate from the actual waveguide interface, which is the large copper block in the center of the tube. The center of the copper block contains a tunable spark gap, which can be adjusted by turning a screw in the large steel cylinder at the base of the tube. Note that this tube has two separate sealing pips, and possibly contains separate cavities.

In outward physical appearance, this tube appears almost identical to the 1B24, a tunable TR switch tube with a rating of 8.5 to 9.6GHz. The 1B24 was developed in 1943 by Westinghouse

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Sylvania 6068 TR Cell Tube
Sylvania 6068A TR cell tube, a likely variant of the 1B24.

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