Page 22 - The Basics IA by ETron Circuit Labs

E“The tab on the SCR is connected to the Anode”Tron Circuit Labs“When you touch Wire W1 to the Gate of the SCR the LED will light up”Lab 11 Intro to SCRsObjective:In this Lab you will learn how a SCR (Silicone Controlled Rectifier) works and build a simple circuit to show that a SCR conducts electric current only after given a positive pulse on its Gate pin. It will continue conducting electric current until the power is removed from the cathode and/or anode.Step 1 – Take InventoryUsing the Parts Inventory as shown on the right under the “Here’s What You’ll Need” section, place each part needed for this experiment on its corresponding drawing. Observe the schematic symbol for each part. Make sure that you have all the parts ready before you begin Step 2.Step 2 – Build the CircuitUsing the Schematic Diagram and the picture of the completed lab, build the lab experiment with the electronic components. Use the “Check Your Work Here” Box to verify that your wiring is correct, and then proceed to Step 3.Step 3 – Do ExperimentTheory:In this simple electronic circuit, the electrons will from the battery, through the SCR, through the LED, and back to the battery only if the SCR receives a positive pulse on its gate. The positive pulse is put there20