NONPRECISE PHANTASTRON VARIABLE DELAY

  
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Used to delay beginning of crt sweep for expanded display. Provides three ranges: 0 to 5, 60, and 200 miles. Circuit is basically cathode-coupled phantastron, with additional coupling by returning suppressor and screen to same divider. Cathode follower reduces recovery time and provides low-impedance point for range switching. -NBS, `Handbook Prefe
NONPRECISE PHANTASTRON VARIABLE DELAY - schematic

rred Circuits Navy Aeronautical Electronic Equipment, " Vol. 1, Electron Tube Circuits, 1963, p N9-3.



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