This circuit is from National Semiconductor documentation from the 90s. The components are from the era.
One 40108 Schmitt inverter or one 4093 gate can be used as a half monostable to be triggered by...
This circuit is from an Electronics Now from August 1995. The triac is according to the load that...
This Siliconix circuit was found in a 1980s documentation. The coil consists of 18 turns of 22...