PUT1
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Figure 6.1. Circuit Diagram for PUT 1. Connect the circuit to the oscilloscope. 2. Measure the voltage across the load. Record the data. 3. Display the output waveform for voltage across the load in the oscilloscope. 4. Repeat procedure 3, this time connect the voltmeter across the capacitor. 5. Display the output waveform for voltage across the capacitor in the oscilloscope. Review of Related Literature Figure 6.2. Internal Block and Schematic Diagram According to Boylestad (2010), PUT is essentially an SCR with a control mechanism that permits a duplication of the characteristics of typical SCR. The term programmable is applied since R BB , η, and V P as defined for the UJT can be controlled through the resistors R B1 , R B2 , and the supply voltage V BB.
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Figure 6.1. Circuit Diagram for PUT1. Connect the circuit to the oscilloscope.2. Measure the voltage across the load. Record the data.3. Display the output waveform for voltage across the load in the oscilloscope.4. Repeat procedure 3, this time connect the voltmeter across the capacitor.5. Display the output waveform for voltage across the capacitor in the oscilloscope.Review of Related Literature
Figure 6.2. Internal Block and Schematic DiagramAccording to Boylestad (2010), PUT is essentially an SCR with a control mechanism that permits a duplication of the characteristics of typical SCR. The term programmable is applied since RBB, , and VP as defined for the UJT can be controlled through the resistors RB1, RB2, and the supply voltage VBB.
