You are to design a diode clipper circuit that will keep high voltage spikes from a 'noisy' power supply from reaching sensitive electronics. A conventional silicon diode is used as part of the design. The clipper circuit is to be designed so that voltages 2 Resistor 10 volts are 'clipped'. SI Diode Vout to electronics Vin from noisy a) What would a suitable Zener breakdown voltage be? source Zoner Diode b) From the manufacturer's specifications sheet, what would be a good choice for the Zener diode (i.e. what part number? 1Nxoox)? Why? c) If you want to 'clip' voltages that are s-10 volts as well, show how you would modify the circuit.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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1.
You are to design a diode clipper circuit that will keep high voltage spikes from a 'noisy power supply from
reaching sensitive electronics. A conventional silicon diode is used as
part of the design. The clipper circuit is to be designed so that voltages 2
Resistor
10 volts are 'clipped'.
SI Diode
Vin from noisy
Vout to
electronics
a) What would a suitable Zener breakdown voltage be?
source
Zener Diode
b) From the manufacturer's specifications sheet, what would be a good
choice for the Zener diode (i.e. what part number? 1Nxxx)? Why?
c) If you want to 'clip' voltages that are s-10 volts as well, show how
you would modify the circuit.
Transcribed Image Text:1. You are to design a diode clipper circuit that will keep high voltage spikes from a 'noisy power supply from reaching sensitive electronics. A conventional silicon diode is used as part of the design. The clipper circuit is to be designed so that voltages 2 Resistor 10 volts are 'clipped'. SI Diode Vin from noisy Vout to electronics a) What would a suitable Zener breakdown voltage be? source Zener Diode b) From the manufacturer's specifications sheet, what would be a good choice for the Zener diode (i.e. what part number? 1Nxxx)? Why? c) If you want to 'clip' voltages that are s-10 volts as well, show how you would modify the circuit.
Absolute Maximum Ratings * T.-25°C uniess otherwise notod
Symbol
Parameter
Value
Units
Power Dissipation
@ TL s 50°C, Lead Length = 3/8"
Derate above 50°C
TJ. TSTG Operating and Storage Temperature Range
Po
1.0
6.67
mW/°C
-65 to +200
°C
* These ratings are limting values above which the serviceatility of the diode may be impared
Electrical Characteristics 1,- 25°C unless otherwbe noted
Vz (V) @ Iz INate 1)
Leakage
Current
Max. Zener Impedance
Non-Repetitive
Peak Reverse
Test Current
Iz (mA)
Device
Zz@lz Zzk @
(2)
IZK
Current
Тур. Мах.
VR
IR
Izk (2) (mA) (HA) (V) 1zsM (mA) (Note 2)
Min.
3.3
3.6
1N4728A
3.135
3.465
76
10
400
1
100
1
1380
1N4729A
3.42
3.78
69
10
400
100
1
1260
1N4730A
3.705
3.9
4.095
64
6.
400
50
1
1190
1N4731A
4.085
4.3
4.515
58
400
1
10
1070
1N4732A
4.465
4.7
4.935
53
8.
500
1
10
970
1N4733A
4.845
5.1
5.355
49
7
550
10
890
1N4734A
5.32
5.6
5.88
45
600
10
810
6.51
1N4735A
1N4736A
5.89
6.2
41
2
700
10
730
660
6.46
7.125
6.8
7,14
37
3.5
700
1
10
1N4737A
7.5
7.875
34
4
700
0.5
10
605
1N4738A
1N4739A
7.79
8.645
8.2
8.61
9.555
31
4.5
700
0.5
10
550
9.1
28
700
0.5
10
7
500
1N4740A
9.5
10
10.5
25
700
0.25
10
7.6
454
1N4741A
10.45
11
11.55
23
8
700
0.25
8.4
414
1N4742A
11.4
12
12.6
21
700
0.25
9.1
380
Vz (V) @ Iz (Noto 1)
Leakage
Current
Non-Repetitive
Peak Reverse
Max. Zener Impedance
Test Current
Iz (mA)
Device
Zz@lz Zzk @
(2)
Current
Min. | Тyp. Maх.
IZK
IR
VR
Izk (2) (mA) (uA) (V) IZSM (mA) (Note 2)
1N4743A
12.35
13
13.65
19
10
700
0.25
9.9
344
1N4744A
14.25
15
15.75
17
14
700
0.25
5
11.4
304
1N4745A
15.2
16
16.8
15.5
16
700
0.25
12.2
285
0.25
0.25
1N4746A
17.1
18
18.9
14
20
750
13.7
250
1N4747A
19
20
21
12.5
22
750
5
15.2
225
1N4748A
20.9
22
23.1
11.5
10.5
9.5
8.5
23
750
0.25
16.7
205
1N4749A
22.8
24
25.2
25
750
0.25
18.2
190
1N4750A
25.65
27
28.35
35
750
1000
0.25
20.6
170
150
135
1N4751A
0.25
0.25
22.8
25.1
28.5
30
31.5
34.65
40
45
1N4752A
31.35
33
7.5
1000
1N4753A
37.8
40.95
34.2
36
50
1000
0.25
27.4
125
1N4754A
37.05
39
6.5
60
1000
0.25
29.7
115
1N4755A
40.85
43
1500
45.15
49.35
6.
70
0.25
32.7
110
1N4756A
44.65
47
5.5
80
1500
0.25
5
35.8
38.8
95
1N4757A
48.45
51
53.55
95
1500
0.25
90
1N4758A
53.2
56
58.8
4.5
110
2000
0.25
5
42.6
80
123
6285
Transcribed Image Text:Absolute Maximum Ratings * T.-25°C uniess otherwise notod Symbol Parameter Value Units Power Dissipation @ TL s 50°C, Lead Length = 3/8" Derate above 50°C TJ. TSTG Operating and Storage Temperature Range Po 1.0 6.67 mW/°C -65 to +200 °C * These ratings are limting values above which the serviceatility of the diode may be impared Electrical Characteristics 1,- 25°C unless otherwbe noted Vz (V) @ Iz INate 1) Leakage Current Max. Zener Impedance Non-Repetitive Peak Reverse Test Current Iz (mA) Device Zz@lz Zzk @ (2) IZK Current Тур. Мах. VR IR Izk (2) (mA) (HA) (V) 1zsM (mA) (Note 2) Min. 3.3 3.6 1N4728A 3.135 3.465 76 10 400 1 100 1 1380 1N4729A 3.42 3.78 69 10 400 100 1 1260 1N4730A 3.705 3.9 4.095 64 6. 400 50 1 1190 1N4731A 4.085 4.3 4.515 58 400 1 10 1070 1N4732A 4.465 4.7 4.935 53 8. 500 1 10 970 1N4733A 4.845 5.1 5.355 49 7 550 10 890 1N4734A 5.32 5.6 5.88 45 600 10 810 6.51 1N4735A 1N4736A 5.89 6.2 41 2 700 10 730 660 6.46 7.125 6.8 7,14 37 3.5 700 1 10 1N4737A 7.5 7.875 34 4 700 0.5 10 605 1N4738A 1N4739A 7.79 8.645 8.2 8.61 9.555 31 4.5 700 0.5 10 550 9.1 28 700 0.5 10 7 500 1N4740A 9.5 10 10.5 25 700 0.25 10 7.6 454 1N4741A 10.45 11 11.55 23 8 700 0.25 8.4 414 1N4742A 11.4 12 12.6 21 700 0.25 9.1 380 Vz (V) @ Iz (Noto 1) Leakage Current Non-Repetitive Peak Reverse Max. Zener Impedance Test Current Iz (mA) Device Zz@lz Zzk @ (2) Current Min. | Тyp. Maх. IZK IR VR Izk (2) (mA) (uA) (V) IZSM (mA) (Note 2) 1N4743A 12.35 13 13.65 19 10 700 0.25 9.9 344 1N4744A 14.25 15 15.75 17 14 700 0.25 5 11.4 304 1N4745A 15.2 16 16.8 15.5 16 700 0.25 12.2 285 0.25 0.25 1N4746A 17.1 18 18.9 14 20 750 13.7 250 1N4747A 19 20 21 12.5 22 750 5 15.2 225 1N4748A 20.9 22 23.1 11.5 10.5 9.5 8.5 23 750 0.25 16.7 205 1N4749A 22.8 24 25.2 25 750 0.25 18.2 190 1N4750A 25.65 27 28.35 35 750 1000 0.25 20.6 170 150 135 1N4751A 0.25 0.25 22.8 25.1 28.5 30 31.5 34.65 40 45 1N4752A 31.35 33 7.5 1000 1N4753A 37.8 40.95 34.2 36 50 1000 0.25 27.4 125 1N4754A 37.05 39 6.5 60 1000 0.25 29.7 115 1N4755A 40.85 43 1500 45.15 49.35 6. 70 0.25 32.7 110 1N4756A 44.65 47 5.5 80 1500 0.25 5 35.8 38.8 95 1N4757A 48.45 51 53.55 95 1500 0.25 90 1N4758A 53.2 56 58.8 4.5 110 2000 0.25 5 42.6 80 123 6285
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