Procedure 1. Forward-Biased Portion of the I-V Characteristies 1-1) Construct th

Question

Procedure 1. Forward-Biased Portion of the I-V Characteristies 1-1) Construct the circuit of Fig. 1-2 withR-14. Measure the diode voltage vp between the nodes a and a, and the diode current ip 1-2) Adjust the power supply voltage control for zero output 1-3) Switch on the power supply and gradually adjust the voltage to give the current levels listed for Procedure 1-3 on page 5 of this manual. Record the corresponding diode voltages Adjust the power supply off. 1-4) to return V, to zero and then switch it R1 Vo Fig. 1-2 2. Reverse-Biased Portion of the I-V Characteristics 2-1) Rearrange the circuit as shown in Fig. 1-3. 2-2) Switch on the power supply. Beginning with , at zero, gradually increase the reverse voltage applied to the diode to give the voltage levels listed for Procedure 2-2 on page 5 of this manual, and record the corresponding currents. Adjust the power supply to return V,to zero and then switch it off 2-3) R1 Vo Fig. 1-3

Explanation / Answer

Here this experiment asks you to find values of current across diode (ID) & corresponding voltages across diode (VD) at both forward bias & reverse biased condition.

Table -1:

Procedure 1-3:

This is forward bias mode where P side of diode is at higher voltage than N side.

This table asks you find Volatge across diode (VD) at specified current values (ID) across diode.

The fig 1-2 shows how to connect all the components.

After connecting the circuit as shown, go on increasing source voltage V0 . Take observations of VD at specified ID values.

Table -2:

Procedure 2-2:

This is reverse bias mode where P side of diode is at lower voltage than N side. Hence diode volatge is shown as -VD .

This table asks you find current across diode (ID) at specified voltage values (VD) across diode.

The fig 1-3 shows how to connect all the components.

After connecting the circuit as shown, go on increasing source voltage V0 . Take observations of ID at specified VD values.

If any doubt or further clarification needed, please let me know in the comments.

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