- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 1 (36.28 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 2 (36.28 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 3 (36.28 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 4 (36.28 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 5 (144.55 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 6 (144.55 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 7 (144.55 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 8 (125.08 KiB) Viewed 22 times
- 2 13 Result 1 V I Characteristics Of Zener Diode Are Plotted And Verified In Both Forward And Reverse Directions 2 Ze 9 (125.08 KiB) Viewed 22 times
2.13 RESULT 1. V-I characteristics of Zener diode are plotted and verified in both forward and reverse directions. 2. Zener breakdown voltage for 4.7V zener diode = 4.7V. 3. (i) Forward Bias: a) Static resistance at 6 mA = b) Dynamic resistance at 6 mA= (ii) Reverse Bias: a) Static resistance 6 mA= b) Dynamic resistance at 6 mA=
2.13 RESULT 1. V-I characteristics of Zener diode are plotted and verified in both forward and reverse directions. 2. Zener breakdown voltage for 4.7V zener diode = 4.7V. 3. (i) Forward Bias: a) Static resistance at 6 mA = b) Dynamic resistance at 6 mA= (ii) Reverse Bias: a) Static resistance 6 mA= b) Dynamic resistance at 6 mA=
2.13 RESULT 1. V-I characteristics of Zener diode are plotted and verified in both forward and reverse directions. 2. Zener breakdown voltage for 4.7V zener diode = 4.7V. 3. (i) Forward Bias: a) Static resistance at 6 mA = b) Dynamic resistance at 6 mA= (ii) Reverse Bias: a) Static resistance 6 mA= b) Dynamic resistance at 6 mA=
2.9 CALCULATIONS 1. Forward Static resistance at 6 mA= Ef/ If 2. Forward Dynamic resistance at 6mA=^ Ef / A If 3. Reverse Static resistance at 6 mA= Ef/ If 4. Reverse Dynamic resistance at 6mA=A Ef / AI 2.10 PRE LAB QUESTIONS 1. What type of temperature Coefficient does the zener diode have? 2. If the impurity concentration is increased, how the depletion width effected? 3. How the breakdown voltage of a particular diode can be controlled? 4. What type of temperature coefficient does the Avalanche breakdown has? 2.11 LAB ASSIGNMENT To plot the V-I characteristics of a Zener diode (6.1V) in both forward and reverse directions by using multisim. 48 2.12 POST LAB QUESTIONS 1. Explain briefly about avalanche and zener breakdowns? 2. Draw the zener equivalent circuit? 3. Differentiate between line regulation & load regulation? 4. In which region zener diode can be used as a regulator? 2.13 RESULT 1. V-I characteristics of Zener diode are plotted and verified in both forward and reverse directions. 2. Zener breakdown voltage for 4.7V zener diode = 4.7V. 3. (i) Forward Bias: a) Static resistance at 6 mA = b) Dynamic resistance at 6 mA= (ii) Reverse Bias: a) Static resistance at 6 mA= b) Dynamic resistance at 6 mA=
2.7 TABULAR COLUMN Forward Bias E, (volts) Ef (volts) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 2 4 6 8 I, (mA) 10 12 14 Zener Doide As Voltage Regulator: Vin=15V, VNL R₁(2) 100 200 500 1K 2K 5K 10K 20K VEL(Volts) IL (mA) %Regulation Reverse Bias Es (volts) E, (volts) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 2 4 6 8 10 12 14 RL=15K Es (volts) 1 2 4 6 8 10 12 14 EFL (volts) I, (mA) IL (MA)