Hi.I have no idea how to identify the materials in this circuit.How do I determine the materials and values to be used here? How can you help me ?
Attachments
-
10.6 KB Views: 19
HiHi.I have no idea how to identify the materials in this circuit.How do I determine the materials and values to be used here? How can you help me ?
You DO need C2. It will give a positive pulse to the SCR, ensuring reliable triggering. It also isolates R3 from pulldown R4, so the SCR doesn't randomly trigger.You don't need C2, C1 charges up to a value of approx 10% of the supply, to turn on the unijunction transistors Emitter , and it conducts connecting the bases B1, B2 together firing the thyristor..
by Duane Benson
by Duane Benson