154-356
The Tektronix 154-356 is the CRT used in the 1 GHz Model 519 scope (serial numbers 1016 and below). The usable screen area was 6 × 2 divisions. Total accelerating voltage in the 519 was 24 kV.
Each tube was individually characterized for rise time and deflection sensitivity. The precise values were written on the CRT and on the CRT bezel.
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screen mask with tube parameters