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SEGMENTED_SWEEP_DISPLAY

2016-12-02 09:31  
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SEGMENTED_SWEEP_DISPLAY
Staircase voltage builds up across C2 when pulses from Q2 turn Q3 on momentarily. R3 controls voltage amplitude of each step. R1 controls rate of free-running oscillator tube.-J. E.Russell, Ten Signals at a Glance, Electronics, 37:19, p 54-57.