Driver for oscillograph (T459E)

This circuit from an old MIT documentation excites an oscillograph element, an old waveform viewer.

Low Power Interface (CB13055E)
In the figure we have a TTL logic interfacing circuit as CMOS logic using a 6N139 optocoupler...
High Pass Filter V (CB19682E)
The components of this filter are calculated using the formula f = 1 / RC and it can be...
Regulator with External Shutdown (CB15662E)
The output voltage of this regulator circuit can be cut (dropping to 1.2 V) from a high level...