The circuit shown is from the 1977 GE semiconductor manual. More modern equivalent SCRs can be used. R1 must be wire type.
Found in Motorola documentation from 1969, this circuit, compliant sensor and time network can...
This circuit generates a high voltage of the order of 250 to 300 V from a 12 V battery to power a...
This circuit, suitable for tube equipment, was found in an old documentation. It uses a high...