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Measurement Equipments

[Measurement Equipments 1] [Measurement Equipments 2] [Measurement Equipments 3]

Oscilloscope CT-511A ( National + Home brew vertical amplifier )

[Features]

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

Oscilloscope VP-5403A ( National )

[Features]

  • 2ch 2mV/div 25MHz BW.

[Troubles]

  • Intensity control didn't work.
  • Sometimes +75V AVR didn't output the correct voltage.

Oscilloscope VP-5520C ( National )


[Features]

  • 2ch 2mV/div 200MHz BW.

[Troubles]

  • Didn't work at first.