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cathode ray oscilloscope

cathode ray oscilloscope. tube photograph. tube diagram. y plates. x plates. anode. heater supply. -. +. phosphor screen. H.T. supply. electron gun photograph. summary. electron gun produces a beam of electrons. light produced on the screen by electron beam.

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cathode ray oscilloscope

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Presentation Transcript

  1. cathode ray oscilloscope

  2. tube photograph

  3. tube diagram y plates x plates anode heater supply - + phosphor screen H.T. supply

  4. electron gun photograph

  5. summary electron gun produces a beam of electrons light produced on the screen by electron beam a p.d. across the y plates deflects the trace vertically a p.d. across the x plates deflects the trace horizontally y plates x plates anode heater supply - + phosphor screen H.T. supply

  6. gain andf time-base controls

  7. peak voltage Peak p.d. = 3 Divisions x 1.0 mV/div = 3.0 mV

  8. period & frequency period = 4.0 divisions x 1.0 ms/div = 4.0 ms frequency = 1 / period frequency = 1 / 0.004 s frequency = 250 Hz

  9. self test

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