The circle is below(for D1-1N4148 is 1N4148 Diode). and also there have a table(. Note that the first 3 rows of measurement are obtained when the diode is reverse-biased)Vout_dc (V)VD (V)ID (μA)0.51-0.510.00.23-0.200.00.10-0.080.00.000.000.00.050.040.00.110.090.00.170.150.10.190.200.10.27 0.250.40.320.301.60.360.343.10.420.408.20.460.4214.30.520.4728.0Questions:1) plot the diode’s I-V characteristics on a linear scale (ID on the y-axis and VD on the x-axis) 2) [RP4]3) [RP5] NI 907VNVARX Arduino"NOONN OO(UNO-Und) TYL1914ICSP2RESET::::R22kΩR42k2R62k2R82k2R10 ER12 E R14 E R162k22k2D12k22k2.IN4148.VouR3. . .R5. . R7. . R9. . R11. R13 . Ř15.1k2R12k21k21k21k21k 1k2 1k2AREFGNDAnICSPRXO 40 1.4 Obviously, the linear scale on the y-axis makes it hard to understand or model the diode.You might consider a logarithmic plot to do this. You will replot your data on the y-axis in the logscale (the grid example is in figure 7 if you plot by hand). If you use MATLAB, run the code andsee plot figure 2 (in MATLAB), blue line.1010010-110210310410510-0.5-0.4-0.3 -0.2-0.10.10.20.30.40.5Figure 7. An empty semilog (log-linear) plot.1.5 Next, you will fit the theoretical diode model in equation1 below to the measured data.Use a red color to indicate the diode theoretical equation and blue for the measured data. Thediode follows the relationship in equation 1. Pick Is and VT such that the theoretical diode currentio from equation 1 provides a good approximation of your measured current Ib. Adjusting Is willshift the curve up and down. Adjusting Vr will change the slope of the curve. You can repeatedlyadjust the value of Is and Vr in MATLAB (line 55 and 56) and replot them until you think bothcurves are close.What is the value of your Is and Vr that makes the ideal diode model fit the experimental l-Vcurve [RP4]?Include in your report a semilog plot that shows the theoretical diode characteristics fittingthe experimental -V curve (with your choice for Is and Vt in RP4) [RP5].VDip = Is(eVr – 1)Equation 1. Shockley ideal diode equation.whereİp is the diode current,Iş is the reverse-bias saturation current (constant),Vo is the voltage across the diode, andVr is the thermal voltage (constant under a certain temperature)

Diode- Diode is a device which works as a switch and allow the flow of current in one direction…

Answered: 1) plot the diode’s I-V…

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ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

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The circle is below(for D1-1N4148 is 1N4148 Diode). and also there have a table(. Note that the first 3 rows of measurement are obtained when the diode is reverse-biased)

Vout_dc (V)	VD (V)	ID (μA)
0.51	-0.51	0.0
0.23	-0.20	0.0
0.10	-0.08	0.0
0.00	0.00	0.0
0.05	0.04	0.0
0.11	0.09	0.0
0.17	0.15	0.1
0.19	0.20	0.1
0.27	0.25	0.4
0.32	0.30	1.6
0.36	0.34	3.1
0.42	0.40	8.2
0.46	0.42	14.3
0.52	0.47	28.0

Questions:

1) plot the diode’s I-V characteristics on a linear scale (ID on the y-axis and VD on the x-axis)

2) [RP4]

3) [RP5]

NI 907VNV
A
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NO
ONN OO
(UNO
-Und) TYL1914
ICSP2
RESET
::::
R2
2kΩ
R4
2k2
R6
2k2
R8
2k2
R10 ER12 E R14 E R16
2k2
2k2
D1
2k2
2k2
.IN4148.
Vou
R3. . .R5. . R7. . R9. . R11. R13 . Ř15.
1k2
R1
2k2
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1k2
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GND
An
ICSP
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1.4 Obviously, the linear scale on the y-axis makes it hard to understand or model the diode.
You might consider a logarithmic plot to do this. You will replot your data on the y-axis in the log
scale (the grid example is in figure 7 if you plot by hand). If you use MATLAB, run the code and
see plot figure 2 (in MATLAB), blue line.
10
100
10-1
102
103
104
105
10
-0.5
-0.4
-0.3 -0.2
-0.1
0.1
0.2
0.3
0.4
0.5
Figure 7. An empty semilog (log-linear) plot.
1.5 Next, you will fit the theoretical diode model in equation1 below to the measured data.
Use a red color to indicate the diode theoretical equation and blue for the measured data. The
diode follows the relationship in equation 1. Pick Is and VT such that the theoretical diode current
io from equation 1 provides a good approximation of your measured current Ib. Adjusting Is will
shift the curve up and down. Adjusting Vr will change the slope of the curve. You can repeatedly
adjust the value of Is and Vr in MATLAB (line 55 and 56) and replot them until you think both
curves are close.
What is the value of your Is and Vr that makes the ideal diode model fit the experimental l-V
curve [RP4]?
Include in your report a semilog plot that shows the theoretical diode characteristics fitting
the experimental -V curve (with your choice for Is and Vt in RP4) [RP5].
VD
ip = Is(eVr – 1)
Equation 1. Shockley ideal diode equation.
where
İp is the diode current,
Iş is the reverse-bias saturation current (constant),
Vo is the voltage across the diode, and
Vr is the thermal voltage (constant under a certain temperature)

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