Lab 6 Diodes

Lab 6: Diodes

Calculations:

Lab 6 Diodes img1

Schematics:

Lab 6 Diodes img2

Figure 1: Schematic for Fig. 2(a)

Lab 6 Diodes img3

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

Simulations:

Lab 6 Diodes img4

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

Lab 6 Diodes img5

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

Lab 6 Diodes img6

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

Lab 6 Diodes img7

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

Measurements:

Lab 6 Diodes img8

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

Lab 6 Diodes img9

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

Lab 6 Diodes img10

Figure 9: Power supply circuit measurement

Peak output voltage: 3.3657 V

Maximum ripple: 0.599 V Report:

Calculated

Simulated

Measured

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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