Lab 6 Diodes

Lab 6: Diodes


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Figure 1: Schematic for Fig. 2(a)

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Figure 2: Schematic for the power supply circuit in Fig. 5


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Figure 3: Multisim plot for Fig. 2(a) where Vstep=0.001 from -1 to 1 V

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Figure 4: Excel plot for Fig. 2(a) where Vstep=0.001 from -1 to 1 V

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Figure 5: Power Supply Circuit transient plot for voltage output

Voltage peak= 3.5157 V, Voltage low peak=2.9768 V, Max ripple= 0.54 V

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Figure 6: Power Supply Circuit transient plot for current outputs

Peak current on diodes= 31.15 mA for both D1 and D2

Peak current on load resistor= 3.22 mA


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Figure 7: Waveform output for Fig. 2(a) circuit

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Figure 8: Excel graph from waveform showing the Current of the diode with respect to the input voltage

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Figure 9: Power supply circuit measurement

Peak output voltage: 3.3657 V

Maximum ripple: 0.599 V Report:




Peak output voltage

3.3 V

3.5157 V

3.3657 V

Ripple voltage

300 mV

0.54 V

0.599 V

Figure 10: Table comparing all results

Based on the results shown in figure 10, we can see that overall, our values were very close to each other. The only difference was the simulated and measured ripple voltage were a little higher than the calculated ripple voltage. This is likely due to the imperfections in the resistors and capacitors. However, the simulated and measured values were so close that we can conclude that the circuit was accurate. 

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