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Oscilloscope CT-511A ( Matsushita & Home brew )


[Outline] [Inside view] [Block diagram]


[Features]

  • Home brew solid state vertical amplifier
    ( 10mV/div,10MHz BW ) are replaced from the original vacuum tube amplifier
    ( 100mV/div,1MHz BW ).
  • 12 vacuum tubes are used.
  • 5UP1(F) is used for the display.

[Specification]
  • Trggerd sweep.
  • Vertical 10mV/div, DC to 10MHz BW
  • Hrizontal 3micro-sec./div to 1sec/div
  • Manufactured in 1960 by MCI.
  • Transistorized in 1985 by me.
  • 21 transistors, 2 ICs and 12 tubes.
Fig.1 Front view