Relaxation oscillator using a Thyratron (T426E)

This oscillating circuit for a frequency of 588 KHz was found in a book on electronic designs with modern tubes.

Voltage Variator LM3900 (CB5057E)
In the figure we have a circuit that allows us to obtain a variable voltage of approximately 0.5 to 25 V...
Diode Bridge (MSB007E)
This circuit show the performance of a GraetzBridge or Diode Bridge usedin full-wave rectifers....
SFR Series of Anti Sulfur Resistors
May 2017 - The new ROHM SFR series anti-sulfur resistors can now be obtained from Mouser...